The user would have to click on a URL that contained the javascript injection and then immeadiately after would need to click a modal popup link. Mitigating factors. I'm posting here in case you didn't get this email. Theoretically knowning the drive and folder of the website is useful information to a potential hacker so this has been removed. A When sending a message it is possible to upload/send a file. The potential hacker must induce a user to click on a URL that contains both the location of a trusted site and the malicious content. A malicious user may be able to replace or update files with specific file extensions with The DNN Framework contains code to support client to server operations that was added to the codebase before Microsoft Ajax was released. This is a recommended install as it offers protection against a number of other non-DotNetNuke specific URL based issues. As these permissions can be delegated to non admin/host users, these less trusted users can update the module title to potentially contain html or javascript leading to a cross-script injection, To fix this problem, you are recommended to update to the latest version of DotNetNuke ( 6.2.5 at time of writing). A malicious user must Site administrators/Host users would have to be induced to click on a link to their website that contained the XSS code. to spoofing, data theft, relay and other attacks. So I will keep this dialog going until I give up and close or submit a PR. To fix this problem, you are recommended to update to the latest At this point in time, there is no known patch for prior versions. Go to Host > SuperUser Accounts page and review the list of users in the Super User section to ensure that only known and authorized users are listed. which cannot cause any major damage; it will be more of an annoyance. where  ControlSrc = 'Admin/Vendors/EditVendors.ascx'. User must have Edit permission on a page. exploit this vulnerability. To fix this problem, you are recommended to update to the latest version of DotNetNuke (4.8.2 at time of writing). under the same copy of the dotnetnuke code in IIS. Potential hackers can use these files to determine what version of DNN is running. : CVE-2009-1234 or 2010-1234 or 20101234), How does it work? All DNN sites running any version prior to 9.2.0. specifically crafted requests to identify some parameters and then use these to It was possible to avoid the existing URL filtering code by using invalid URL's. These portals can take the form of a "child" or the main portal (e.g. To fix this problem, you are Whilst installing DotNetNuke a number of files are used to coordinate the intallation or upgrade of a portal. links. As new features are implemented, older providers may remain, even if not used. Note: Whilst 4.9.5 has a fix for this issue, site admins are recommended to use the 5.1.2 version which contains additional defensive coding to harden the ClientAPI against potential future issues. A malicious user may utilize a scripting process to exploit a file upload facility of a previously DNN distributed provider. Open redirect vulnerability in DotNetNuke (DNN) before 6.2.9 and 7.x before 7.1.1 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors. A malicious user may upload a file with a specific configuration and tell the DNN Platform to extract the file. A problem was identified where an Administrator could upload static files which could then be converted into dynamic scripts. Information Security Consultant Cengiz Han Sahin. know the specifics of these endpoints and how to decode the information they Whilst there is code in place to validate the user roles and permissions to determine which functions are shown to users, it is possible to craft requests that bypass these protections and execute admin functions. A malicious user must SSL Enabled and SSL Enforce must be enabled in Site Settings by admins. Using the DNN’s redirect 9.1.1 at the time of writing. If your site contains a controlled set of users i.e. A vulnerability allowed users to post some images on behalf of other users. The uploaded file could be malicious in nature. The malicious user must know the specifics of the SVG to initiate such attacks and must lure registered site users to visit the page displaying the uploaded SVF file. If you have additional users the risk of user permission escalation or impersonation exists. Whilst the search function filters for dangerous script , recently code was added to show the search terms and this failed to filter. This parameter was not being encoded before being echoed to the screen and could allow for script or html injection issues. it does not allow unauthorized upload of new files. Code has been added to close this authentication blindspot. Then they must submit crafted Until recently, the querystring parameters were only screened for javascript to prevent potential cross-site scripting attacks, but it was possible to inject arbitrarty HTML into the page e.g. The malicious user must know how to utilize the exploit and This issue was resolved in 5.0.1. Mitigating factors. The code for the user messaging module does not sanitize all entered text, meaning it would be possible to generate a message that contained a script or html vulnerability. These include both encoding and encrypting data to ensure it isn't tampered with. There is a reasonable expectation that only those explicitly granted permissions can add/edit files. Unrestricted file upload vulnerability in the file manager module in DotNetNuke before 4.8.2 allows remote administrators to upload arbitrary files and gain privileges to the server via unspecified vectors. Evoq Content Overview Content Creation Workflow Asset Management Mobile Responsive Personalization Content Analytics SEO Integrations Security Website Performance Evoq Engage Overview Community Management Dashboard Analytics Member Profile Gamification Advocate Marketing Community Engagement Ideas Answers Discussions Groups Wikis Events Mobile Ready DNN Support … This vulnerability allowed for an Admin user to upload a file that could then grant them access to the entire portal i.e. Our recommendation is to always follow DNN’s upgrade path. Implemented LinkClick functionality in Telerik editor. Have you already implemented a site using the DNN . contain. It is possible to use a specially crafted URL to directly load a module, and due to a flaw in the logic, at that time the module permissions are not correctly loaded, but instead the page permissions are applied. Potential hackers can use a specially crafted URL to access the install wizard and under certain circumstances create an additional host user. Additional color and distortion was introduced to the current Captcha object to make automated Captcha cracking harder. Homepage of the Enhanced Web Development Service with information about the service and help for portal administrators To fix this problem, you are recommended to update to the latest version of the DNN platform (6.2.9/7.1.1 at time of writing). A particular piece of malformed HTML was not correctly detected by this code, and the potential for a persistent cross-site scripting (XSS) attack could occur. They can then capture some of the site specific data integrity values and use these via a CSRF attack to alter data via these public functions for other users. Users can share some content with other users in a DNN site and can include images in their posts. Similar results were obtained Ceryak and others (1983) and Crane (1986) in two regional studies of the upper and lower Suwannee River Basin, respectively. Background Vulnerability in DotNetNuke (DNN) Content Management System Could Allow for Unauthorized Access MS-ISAC ADVISORY NUMBER: 2016-085 DATE(S) ISSUED: 05/31/2016 OVERVIEW: A vulnerability has been discovered in DotNetNuke, which could allow for unauthorized access. Some Web APIs can be The fix and the vulnerability With refinery location getting closer to the wellhead in a more complex downstream market, prospects for clean trade growth may look brighter than for crude. Websites not allowing registration will be unaffected by this issue. The code that provides for this upload does not filter sufficiently for valid values. upgrade to the latest versions of the Products - DNN Platform 9.1.1 or EVOQ a potential hacker must have access to a html module editor instance, a user must be using a browser that incorrectly implements the previously discussed behaviour, user must have module or page editor permissions, user must have access to the lists function - by default only admin and host users can access this module, user must have access to a member directory module, member directory module must be available to all (including anonymous) users, the site must allow users to post to other users journals. A vulnerability has been discovered in DotNetNuke, which could allow for unauthorized access. This could allow a malicious user to execute Javascript or another client-side script on the impacted user's computer. The code has been updated to ensure only existence of image files in standard folders can be confirmed A DNN installation must be configured in a specific manner and the malicious user would need specific knowledge to leverage the issue. without any authorization. A malicious user can send a crafted request to login to a DNN site which uses Active Directory module for users’ authentication and cause high CPU usage in the server which can lead to a Denial of Service (DOS) attack. This is effectuated via customization of two providers: authorization and data. The version of DNN installed on the remote host is affected by multiple vulnerabilities : An unspecified cross-site scripting vulnerability exists due to a failure to properly sanitize content used by the tabs control. They must also induce a different user to click on a URL that contains both the location of a trusted site and the malicious content. Cross-site scripting (XSS) vulnerability in the user-profile biography section in DotNetNuke (DNN) before 8.0.1 allows remote authenticated users to inject arbitrary web script or HTML via a crafted onclick attribute in an IMG element. Fixed issue where hosted jQuery did not use the correct protocol when SSL enabled. To fix this problem, you are recommended to update to the latest version of the DNN platform (7.3.3 at time of writing). Mitigating factors Note: whilst the payload of this attack is limited by the check for extension, as it can be remotely exploited for anoymous users, it was decided to elevate this issue's rating to "Critical". Since by default in most DotNetNuke portals, Anonymous Users have READ access to all folders beneath the "Portals" home directory, the incorrect logic flaw allowed a user to upload a file to any folder under this directory. (e.g. A malicious user can send To fix this problem, you are recommended to update to the latest version of DotNetNuke (5.3.0 at time of writing), Click here to read more details on the DotNetNuke Security Policy. A malicious user may create a link to the site's registration page in such a way, that clicking in a certain area on the page may let a user visit an external page. DotNetNuke contains a number of layers of protection to ensure that one user cannot execute actions as another user. If this string contained an invalid HTML tag, a XSS attack could occur. www.mysite.com). Mitigating factors. Mitigating factors. To fix this problem, you are recommended to update to the latest versions of the Products - DNN Platform 8.0.3 or Evoq 8.4.2 at the time of writing. The malicious user must the special request to use to initiate this login. The product is used to build professional looking and easy-to-use commercial websites, social intranets, community portals, or partner extranets. 3. a user has to be tricked into visiting a page on another site that executes the CSRF. upgrade to the latest versions of the Products - DNN Platform 9.1.1 or EVOQ A malicious user needs to know which API calls that didn’t validate properly and must craft a special URL to execute these calls on behalf of a legitimate user. Many hosting providers do not provide this privilege to have DNN access to outside of it's folder. Cross-site scripting (XSS) vulnerability in the error handling page in DotNetNuke 4.6.2 through 4.8.3 allows remote attackers to inject arbitrary web script or HTML via the querystring parameter. If your site contains a controlled set of users i.e. Under rare circumstances such as the sql server not being available it is possible to invoke the wizard and navigate to a screen that checks the connection. Cross-site scripting (XSS) vulnerability in the user-profile biography section in DotNetNuke (DNN) before 8.0.1 allows remote authenticated users to inject arbitrary web script or HTML via a crafted onclick attribute in an IMG element. The registration forms usually have only a handful of such properties defined. Mitigating factors, User may have a valid account to login and must have permissions to upload files, If a user has edit permissions to a module, this incorrect grants them access to manage the module, allowing them to access all permissions and change them as desired. When an unauthenticated user arrives at a site and attempts to access a protected resource they will be redirected to the correct login page. If you are unable to upgrade to the latest version, you can rename or delete the following file from your installation: /Install/Install.aspx . User can add JavaScript to the Biography by including the following payload: . To support URL Rewriting, DotNetNuke determines the current path of the page and echoes it to the form action attribute to ensure that any actions post to the correct page. Skin files are based on asp.net user controls (ascx) but add additional functionality such as security validation. Longer‐term, refinery capacity growth is expected to outstrip crude production growth. Files which were typically deposited as part of this security exploit were named ISCN.txt and simply contained notice of credit for the attack. A free external scan did not find malicious activity on your website. be uploaded within the Portals folder only; it cannot be uploaded outside of 2. to other windows. • The original reporter does not wish to claim credit. a specific script to communicate with the victim window in a way that can lead Mitigating factors, If an incorrect username/password is used, then the page reloads and to help fix the incorrect detail renders the entered details. DNN has code to ensure that these redirects are always to valid locations and not to untrusted external locations. A Cyber Security and Business Consulting Solutions Firm Elevate is a Cyber Security Solutions and Process Improvement Solutions Provider. However, no information can be changed via this vulnerability. A possibility exists to use this tag to redirect requests for certain files to another site. Web APIs to perform various CMS tasks from outside of the CMS. Internet explorer prior to release 8 will not allow this tag in the BODY. not allow executables such as .exe, .aspx, etc. Check website for malicious pages and online threats. Similar results were obtained Ceryak and others (1983) and Crane (1986) in two regional studies of the upper and lower Suwannee River Basin, respectively. To fix this problem, you should The files InstallWizard.aspx and InstallWizard.aspx.cs must exist under Website Root\Install folder. DNN tracks all usage of 3rd party components for vulnerabilities and updates accordingly - we have a dedicated security team which subscribes to vulnerability tracking lists and security websites to ensure that any issues are detected and resolved in a timely fashion. This vulnerability can only be exploited by users with a valid username/password combination on a website. DNN added support for This process has a number of supporting features to service these accounts, as well as numerous methods to configure the site behavior. Whilst this is not a DotNetNuke problem, we have elected to add defensive coding to mitigate this. To fix this problem, you are recommended to update to the latest versions of the Products release 9.2.0. This is the recommended manner to guarantee file security for confidential documents as it is the only method that provides a secure file check at download. This is the recommeded fix. Whilst this code filters for common XSS issues, a variant was found that could bypass the filter, so additional protection was added. To fix this problem, you are recommended to update to the latest version of DotNetNuke (4.9.2/5.0.1 at time of writing). Whilst these files are necessary for installation/upgrade of DNN, they are left behind after the process finishes. This could be used as the basis to gain unauthorised access to portal files or data. DNN has an internal user-to-user messaging system that allows users to communicate, this is not used by all installations. Food insecurity is a critical problem in the United States and throughout the world. The issue involving the InstallWizard.aspx file (s), which we first reported on over a year ago, appears to once again be affecting the DNN Community. This attack may lead to the disclosure of confidential data, denial of service, server side request forgery, port scanning from the perspective of the machine where the parser is located, and other system impacts. A malicious user must 1. The lists module does not correctly sanitize the name(s) of list/sublists - this can lead to a reflective cross-site scripting (XSS) issue. As the information is important it will still show if the versions differ, but if they are in sync which is the normal case, the version is not revealed. Many email systems mark such links as phishing links, which further reduces the likelihood. This issue is only apparent with specific configurations of DNN Installations and the information obtained would already be known by a malicious user as part of the act of discovery. craft a special HTTP request to generate multiple copies of an existing image DNN sites are multi-tenant and can be used to serve multiple sites within the same instance. At the minimum, this exploit could be used to pull user email addresses. Use of this information constitutes acceptance for use in an AS IS condition. DotNetNuke user and profile properties fields support an extended visibility property to determine if fields are available to all, members, friends/followers or admin only. A failure to verify the anti-forgery token can mean a CSRF issue occurs. This only affects sites where users are granted "edit" permissions i.e. upgrading to a newer version. To remediate this issue and upgrade to DNN Platform Version (9.4.1 or later) is required. know what kind of SWF files exist in a site and where they are in the site. of the Products – DNN Platform Version 9.2.2 or EVOQ 9.2.2 at the time of This attack can be made as anonymous user also. As the base url is your site, then it could fool users into believing that the url has been approved by your site e.g. does not delete these files and they need to be deleted manually. Ben Hawkes - Lateral Security (www.lateralsecurity.com). In such case, a Rather than hard-code one particular product as the editor, DotNetNuke uses a html editor provider to allow administrators to easily change to other editor's. A malicious user must know which API to utilize and send a specially crafted request to the site. This approach is seen throughout the DNN administrative interface, and is intended to be used similarly in custom module development. DotNetNuke contains core code (FileServerHandler) to manage items that can be linked to such as files and URL's. Due to the nature of the elements included, and their usage with DNN Platform an upgrade to DNN Platform 9.5.0 or later is the only resolution for this issue.. For websites with user registration enabled, it is possible for a user to craft a registration that would inject malicious content to their profile that could expose information using an XSS style exploit. Cross-site scripting (XSS) vulnerability in the Language skin object in DotNetNuke before 4.8.4 allows remote attackers to inject arbitrary web script or HTML via "newly generated paths.". This primarily affects sites where a page is visible to all, but individual modules are only visible to more restricted groups. To fix this problem, you can DotNetNuke 7.0 introduced rich support for client uploads via service framework requests. No Malware Detected By Free Online Website Scan On This Website. A prior security bulletin was published (2018-13) and a fix implemented in DNN Platform & Evoq 9.2.2. We specialize helping organizations across a variety of industries to navigate the complex internal and external requirement and … . To fix this problem, you are recommended to update to the latest versions of the DNN (9.2.0 at the time of writing) or disable uploading of SVG files to your site. The FileSystem API performs a verification check for "safe" file extensions. DNN version 8.0.2 is an important security update that addresses a recently identified vulnerability in the DNN 8 core. To fix this problem, you are recommended to update to the latest version of DotNetNuke (3.3.5/4.3.5 at time of writing). For the validationkey to fail to be updated, the same user must fail to update this file i.e. sites where single users administrate all the content are not affected. File Extensions” settings defined under Host > Host Settings > Other DNN allows users to search for content in DNN sites. Ordinarily, you'd be at the right spot, but we've recently launched a brand new community website... For the community, by the community. If you’ve setup a new DNN site running on version 9.0 or 9.1, you’ll notice that you don’t have the ability to setup the Google Analytics module/code anymore. The user needs to know the actions to reach the error page and must use the computer right after another users has logged out before the session expires. Attacker has to guess DNN’s internal Ids to upload files to Mitigating factors, To fix this problem, you are recommended to update to the latest version of DotNetNuke (5.6.7/6.1.3 at time of writing). Multiple vulnerabilities have been discovered in DotNetNuke (DNN), which could allow for remote code execution if a file containing malicious code is uploaded. Moreover, the generated message can display text only. When a site contains a custom 404 error page is used, an anonymous user can receive limited rights to the previously logged in user in certain cases. Some of these profile properties can be supplied during user registration, but all of them can be updated under the user’s profile area of DNN. As a security measure, DotNetNuke restricts the filetypes that can be uploaded. Whilst installing DNN a number of files are used to coordinate the installation of DNN. To fix this problem, you are recommended to update to the latest versions of the Products - DNN Platform 8.0.4 or Evoq 8.5.0 at the time of writing. The issue is in a rarely used piece of legacy code that ships with DNN. Once the connection fails the sql exception details are shown which can contain sensitive information such as the database name or the username that is attempting to connect. When performing an installation or upgrade DotNetNuke forces the application to unload and reload so that changes can be processed. upgrade to the latest versions of the Products - DNN Platform 9.1.1 or EVOQ affected. The user must have access to the file manager. This is a recommended install as it offers protection against a number of other non-DotNetNuke specific URL based issues. Only DotNetNuke sites that have multiple language pack installs and use the Language skin object suffer from this flaw. and not possible to accomplish without users clicking on the phishing link. David Kirby of Risborrow Information Systems Ltd. This only affects sites that use "none" for registration. The expression that could bypass the filter is only exploitable in a small subset of browsers namely Netscape Navigator 8.1 and Firefox 2.x. To fix this problem, you are recommended to update to the latest version of the DNN platform (7.4.0 at time of writing). a user account permission escalation. Cross-site scripting (XSS) vulnerability in Default.aspx in Perpetual Motion Interactive Systems DotNetNuke before 3.3.5, and 4.x before 4.3.5, allows remote attackers to inject arbitrary HTML via the error parameter. It is possible to view this information as an anonymous user.This information could be useful to hackers attempting to profile an application. However one usage was found in a 3rd party module so we have chosen to create this bulletin to make users aware. Sites that do not grant these permissions to users, or do not use the freetexteditor implementation of the html editor provider are not vulnerable to this issue e.g. Under certain rare circumstances this key may not be updated during install/upgrade, and this information could allow a potential hacker the ability to access the portal as any user, including both the host and admin accounts. Filed under DotNetNuke (DNN) ... 301 Redirects to the Amazon S3 when accessed via LinkClick.aspx. An example is It also supports the ability to supply replaceable tokens. This process could overwrite files that the user was not granted permissions to, and would be done without the notice of the administrator. A bug was fixed in the existing Captcha control that allowed a single cracked captcha to be reused for multiple user registration. For sql server databases, the user must supply the servername and database. It is possible to remotely force DotNetNuke to run through it's install wizard. We've come across a situation that we want to share with you. Cross-site scripting (XSS) vulnerability in Website\admin\Sales\paypalipn.aspx in DotNetNuke (DNN) before 4.9.3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors related to "name/value pairs" and "paypal IPN functionality.". As an alternative, deleting the install/installwizard.aspx and install/installwizard.aspx.cs files can be manually deleted. If enough of these requests are sent then resources can be consumed, leading to eventual exhaustion i.e. The error handling page optionally reads back a querystring parameter that may contain additional error information. Note: Whilst not a mitigation, the identification of the operating system of a website is a trivial action with a number of websites/tools offering tools which probe and identify operating system's accurately. Due to a bug in DNN, users with Edit permissions on a page can update container for all the pages in the site. Another way to fix this is to install .NET framework 4.5.2 or higher in the hosting server and configure IIS to run using this .NET version. The DNN Framework contains code to support sanitizing user input. Initial download was faulty. Children in Worship: God of both power and vulnerability, we come before you as a people in need. writing. SVG image files can contain CSS and more importantly, JavaScript, Some DNN sites allow users to upload certain files to their sites. A failure to re-validate that site registration is set to "none" means that potential hackers can work around DNN's protection and register "spam" user accounts. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. Since there is no way for an attacker to upload their own SQL scripts to this folder, the risk of arbitrary SQL script execution is not a factor. As part of this process the original request for the protected resource is remembered so that once the user has succesfully logged in, they can be redirected to the originally requested resource. This could cause the SQL commands in the database scripts included with the application to re-execute. A malicious user may utilize a process to include in a message a file that they might not have had the permission to view/upload, and with the methods that the DNN File system works they may be able to gain access to this file. Whilst the majority of profile properties encode output, some are not. to know the endpoints that may be vulnerable to this and they need to craft vulnerable. In addition DotNetNuke contains a number of pieces of protection against cross-site scripting issues including the use of the HTTPOnly attribute which stops XSS code accessing users cookies. DNN is a content management system (CMS) for websites. NOTE: An upgrade will NOT automatically resolve this issue. However the check for file extensions was missed in one of functions, allowing users to rename files to extensions not allowed by the portal. important to note that this vulnerability is limited to image files only. It is not possible to update jQuery alone without an DNN version upgrade. initiate XSS attacks on sites which contain old SWF files. Some of these calls were be subject file path traversal. 9.1.1 at the time of writing. The malicious user must be logged in a privileged user know which API call can be utilized for path traversal and must craft a special request for this purpose. During the process of rewriting the code to extend the Profile component, an issue was introduced where a user had the ability to inject javascript on the Role management page. DNN thanks the following for identifying this issue and/or malicious user could take specific action(s) to allow malicious content to be A DNN site allows users to interact by posting their activities in an activity stream Journal. 2020-01 (Low) Interaction with “soft-deleted” modules, 2020-02 (Critical) Telerik CVE-2019-19790 (Path Traversal), 2020-03 (Medium) Javascript Library Vulnerabilities, 2020-05 (Critical) Path Traversal & Manipulation (ZipSlip), 2020-06 (Low) Access Control Bypass - Private Message Attachment, 2019-04 (Critical) Possible Unauthorized File Access, 2019-05 (Medium) Possible User Information Discovery, 2019-06 (Low) Possible Stored Cross-Site Scripting (XSS) Execution, 2019-07 (Medium) Possibility of Uploading Malicious Files, 2019-01 (Low) Possible Denial of Service (DDos) or XSS Issue, 2019-02 (Medium) Possible Cross Site Scripting (XSS) Execution, 2019-03 (Medium) Possible Leaked Cryptographic Information, 2018-13 (Critical) Possible Leaked Cryptographic Information, 2018-14 (Low) Possible Cross-Site Scripting (XSS) Vulnerability, 2018-11 (Low) Possibility for Denial of Service (DOS), 2018-12 (Low) Possibility to Upload Images as Anonymous User, 2018-01 (Low) Active Directory module is subject to blind LDAP injection, 2018-02 (Low) Return URL open to phishing attacks, 2018-03 (Low) Potential XSS issue in user profile, 2018-04 (Low) WEB API allowing file path traversal, 2018-05 (Low) Possible XML External Entity (XXE) Processing, 2018-06 (Low) Activity Stream file sharing API can share other user's files, 2018-08 (Low) Admin Security Settings Vulnerability, 2018-09 (Low) Possible Server Side Request Forgery (SSRF) / CVE-2017-0929, 2017-06 (Low) Vulnerable ASP.NET MVC library (assembly) in Platform 8.0.0 and Evoq 8.3.0, 2017-07 (Low) SWF files can be vulnerable to XSS attacks, 2017-08 (Critical) Possible remote code execution on DNN sites, 2017-09 (Low) HTML5: overly permissive message posting policy on DNN sites, 2017-11 (Low) Possibility of URL redirection abuse in DNN sites, 2017-10 (Critical) Possibility of uploading malicious files to DNN sites, http://www.dnnsoftware.com/community-blog/cid/155436/critical-security-update--june-2017, 2017-05 (Critical) Revealing of Profile Properties, http://www.dnnsoftware.com/community-blog/cid/155416/902-release-and-security-patch, 2017-01 (Medium) Antiforgery checks on Web APIs can be ignored in certain situations, 2017-02 (Low) Authorization can be bypassed for few Web APIs, 2017-03 (Low) Socially engineered link can trick users into some unwanted actions, 2017-04 (Low) Unauthorized file-copies can cause disk space issues, 2016-08 (Low) Certain keywords in Search may give an error page, 2016-09 (Medium) Non-Admin users with Edit permissions may change site containers, 2016-10 (Low) Registration link may be used to redirect users to external links, 2016-07 (Low) Image files may be copied from DNN's folder to anywhere on Server, 2016-06 (Critical) Unauthorized users may create new SuperUser accounts, 2016-05 (Critical) Potential file upload by unauthenticated users, 2016-01 (Low) Potential open-redirect and XSS issue on the query string parameter - returnurl, 2016-02 (Low) Potential XSS issue when enable SSL Client Redirect, 2016-03 (Low) Potential XSS issue on user's profile, 2016-04 (Critical) Potential CSRF issue on WebAPI POST requests, 2015-06 (Low) Potential XSS issue when using tabs dialog, 2015-07 (Medium) Users are getting registered even though User Registration is set to None, 2015-02 (Low) ability to confirm file existance, 2015-03 (Low) Version information leakage, 2015-04 (Low) Server-Side Request Forgery in File Upload, 2015-05 (Critical) unauthorized users may create new host accounts, http://www.dnnsoftware.com/community-blog/cid/155214/dnn-security-analyzer, 2015-01 (Low) potential persistent cross-site scripting issue, 2014-03 (Medium) Failure to validate user messaging permissions, 2014-02 (Critical) improve captcha logic & mitigate against automated registration attacks, 2014-01 (Low) potential persistent cross-site scripting issue, 2013-10 (Low) potential reflective xss issue, 2013-07 (Low) potential reflective xss issue, 2013-08 (Low) malformed html may allow XSS issue, 2013-09 (Low) fix issue that could lead to redirect 'Phishing' attack, 2013-04 (Medium) Failure to reapply folder permissions check, 2013-05 (Low) Potential XSS in language skin object, 2013-06 (Low) Non-compliant HTML tag can cause site redirects, 2013-01 (Low) Added defensive code to protect against denial of service, 2013-02 (Critical) Protect against member directory filtering issue, 2012-9 (Low) Failure to encode module title, 2012-10 (Low) List function contains a cross-site scripting issue, 2012-11 (Low) Member directory results fail to apply extended visibility correctly, 2012-12 (Critical) Member directory results fail to apply extended visibility correctly, 2012-5 (Low) Deny folder permissions were not respected when generating folder lists, 2012-6 (Medium) Module Permission Inheritance, 2012-7 (Low) Cross-site scripting issue with list function, 2012-8 (Low) Journal image paths can contain javascript, 2012-4 (Medium) Filemanager function fails to check for valid file extensions, 2012-1 (Low) Potential XSS issue via modal popups, 2012-2 (Critical) Non-approved users can access user and role functions, 2012-3 (Low) Radeditor provider function could confirm the existence of a file, 2011-16 (Low) Cached failed passwords could theoretically be retrieved from browser cache, 2011-17 (Low) invalid install permissions can lead to unauthorized access error which echoes path, 2011-14 (Low) able autoremember during registration, 2011-15 (Medium) failure to sanitize certain xss strings, 2011-13 (Low) incorrect logic in module administration check, 2011-8 (Low) ability to reactivate user profiles of soft-deleted users, 2011-9 (Critical) User management mechanisms can be executed by invalid users, 2011-10 (Low) Cached failed passwords could theoretically be retrieved from browser cache, 2011-11 (Medium) remove support for legacy skin/container upload from filemanager, 2011-12 (Medium) Module Permissions Editable by anyone with the URL, 2011-1 (Critical) Edit Level Users have Admin rights to modules, 2011-2 (Critical) Unauthenticated user can install/uninstall modules, 2011-3 (Low) Failure to filter viewstate exception details can lead to reflective xss issue, 2011-4 (Low) Remove OS identification code, 2011-5 (Low) Add additional checks to core input filter, 2011-6 (Low) Change localized text to stop user enumeration, 2011-7 (Low) Ensure that profile properties are correctly filtered, 2010-12 (Medium) Potential resource exhaustion, 2010-06 (Low) Logfiles contents after exception may lead to information leakage, 2010-07 (Medium) Cross-site request forgery possible against other users of a site, 2010-08 (Low) update inputfilter blacklist for invalid tag that could allow XSS attack, 2010-09 (Low) Mail function can result in unauthorized email access, 2010-10 (Low) Member only profile properties could be exposed under certain conditions, 2010-11 (Low) Profile properties not htmlencoding data, 2010-05 (Low) HTML/Script Code Injection Vulnerability in User messaging, 2010-04 (Low) Install Wizard information leakage, 2010-03 (Critical) System mails stored in cleartext in User messaging, 2010-02 (Low) HTML/Script Code Injection Vulnerability, 2010-01 (Low) User account escalation Vulnerability, https://www.iis.net/downloads/microsoft/urlscan, 2009-04 (Low) HTML/Script Code Injection Vulnerability when working with multiple languages, 2009-05 (Medium) HTML/Script Code Injection Vulnerability in ClientAPI, 2009-02 (Low) Errorpage information leakage, 2009-03 (Low) HTML/Script Code Injection Vulnerability, 2009-01 (Low) HTML/Script Code Injection Vulnerability, 2008-14 (Critical) User can gain access to additional roles, 2008-12 (Low) Install wizard information leakage, 2008-13 (Critical) Failure to validate when loading skins, 2008-11 (Critical) Authentication blindspot in User functions, http://en.wikipedia.org/wiki/Denial-of-service_attack, 2008-6 (Critical) Force existing database scripts to re-run, 2008-7 (Critical) Failure to revalidate file and folder permissions correctly for uploads, 2008-8 (Low) HTML/Script Code Injection Vulnerability, 2008-9 (Low) HTML/Script Code Injection Vulnerability, http://www.microsoft.com/technet/security/tools/urlscan.mspx, 2008-10 (Low) HTML/Script Code Injection Vulnerability when operating with multiple languages, 2018-10 (Low) Custom 404 Error Page Vulnerability, 2008-1 (Critical) Administrator account permission escalation, 2008-2 (Critical) Validationkey can be a known value, 2008-3 (Critical) Ability to create dynamic scripts on server, 2007-3 (Low) HTML/Script Code Injection Vulnerability, 2007-4 (Critical) HTML/Text module authentication blindspot, 2007-2 (Low) Phishing risk in login redirect code, 2007-1 (Medium) Phishing risk in link code, 2006-6 (Medium) Anonymous access to vendor details, 2006-4 (Critical) Cross site scripting permission escalation, 2006-3 (Low) HTML Code Injection Vulnerability, 2006-1 (Medium) Vulnerability in DotNetNuke could allow restricted file types to be uploaded, 2006-2 (Critical) Vulnerability in DotNetNuke could allow access to user profile details, Robbert Bosker of DotControl Digital Creatives, All versions using the Active Directory module with any DNN version prior to 9.2.0, Narendra Bhati from Suma Soft Pvt. It is imperative that when removing a provider that backups are made and that all files are removed. In cases where a site has a single user the issue obviously is non existant. The DNN Framework supports the ability for sites to allow users to register new accounts. Sites that have enabled verified registration typically do not see this issue as the spam accounts do not use real email addresses, and user profile fields for unverified users are not visible to normal users (admin/host can view the profile). The potential hacker must have a valid, authorized user account on your site. Once user clicks on such a link and arrives at such a DNN page, the user must further act willingly to the message displayed. The user messaging module is only available to logged in users. The Biography field on user's profile form allows HTML input but no JavaScript (filtering is performed on various tags). Products - DNN Platform 9.0.1 or EVOQ 9.0.1 at the time of writing. To support switching between languages via the Language skin object, the skin object renders the existing page path along with the relevant country flag and a language token. This only impacted modules that are using the WebAPI interface following the DNN Security protocols (which is a smaller subset of modules). During usage of the DNN Framework, in a number of cases a redirect must occur after an action (such as working across portals). This issue would typically be rated as "low", but since version 5.5.0, DotNetNuke has shipped with a messaging component which is available to all users. We need encouragement to keep working in difficult, uncertain times. When users are attempting to access portal functions, we strive to strike a balance between providing informative messages, but not revealing unnecessary detail to people attempting to profile the application. Whilst the W3C specification for this tag states that it will not work unless it is in the HEAD of the document, testing found that it does work within the BODY in a number of major browsers. Carefully inspect any files before deleting. The upgrade process 9.1.1 at the time of writing. Whilst this parameter is typically encoded, an invalid tag could be used to bypass the filter, potentially to unencoded content being echoed to the screen and could allow for script or html injection issues. A malicious user must The vulnerability could We specialize helping organizations across a variety of industries to navigate the complex internal and external requirement and … Multiple issues have been identified that could allow a user to remotely execute a Denial of Service attack, or to utilize cross-site-scripting techniques to modify data within the DNN Platform environment. Additional hardening to resolve this issue was completed as part of the 9.3.1 release. An issue exists where a user with login details to a DotNetNuke site could add additional roles to their user account. DNN Vulnerability being exploited, are you patched? In addition this only affects installations which use "deny" permissions at the folder level. A Cyber Security and Business Consulting Solutions Firm Elevate is a Cyber Security Solutions and Process Improvement Solutions Provider. users must still have rights to upload a file, they can only change the intended folder. If during install/upgrade an error occurs, the exception details are written to the logfiles. Open redirect vulnerability in DotNetNuke (DNN) before 6.2.9 and 7.x before 7.1.1 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors. Author: Anonym / Thursday, May 22, 2014 / Categories: In The Flow. Please note, you will also have to remove the existing FTB editor and associated dll's i.e. craft a special HTTP request that allows them to perform a WEB API call to Whilst system messages are often innocuous and simply warn a user if their profile has been updated (e.g. Newly No member-only profile properties are exposed if all profile properties are set to member-only or admin. 3 - To establish the causes of the vulnerability of vulnerable students and to propose appropriate solutions. This cookie is rarely used. A malicious user can accessed anonymously as well. specially crafted link or to visit a webpage that contains specially crafted Most of the time parameters are used to determine which code to execute, but in a few cases, notably the error parameter, the content of the querystring is directly echoed to the screen. [Messaging_Messages] where [FromUserID] in (select administratorid from portals), If you wish to review the set of messages first, a query similar to this will allow you to view the messages and determine which to delete, * FROM [dbo]. The malicious user need to know which image upload call is subject to this vulnerability and must craft a very specific URL request to be able to exploit this issue. Alternative 1: To fix this problem, you are recommended to update to the latest version of DotNetNuke (3.3.7/4.3.7 at time of writing). Monitor websites/domains for … [Messaging_Messages] where [FromUserID] in (select administratorid from portals). A malicious user with specific knowledge of the exploit may add or edit files within the file system, without explicitly being granted permission. MVC vulnerability fix (KB2990942) a while ago. 1. The application uses a provider model to allow this functionality to be easily replaced with controls of the users choice, including default support for the popular FTB and FCK editor controls. 2008-10 (Low) HTML/Script Code Injection Vulnerability when operating with multiple languages Published: 5/11/2008 Background To support switching between languages via the Language skin object, the skin object renders the existing page path along with the relevant country flag and a language token. Search the Root folder and subfolders of your site for any files with .aspx or .php extensions. IIS website) to another instance, even on the same server. A failure to sanitize URL query string parameters can mean a cross-site scripting (XSS) issue occurs. If the site owner had intended to block access to that user permanently they should use the "hard-delete" function or use the unauthorized checkbox, but in some cases sites may not be aware of the "soft-delete" function and this would allow unwanted users to recreate their account 5.0 - Note: the code was put in place for 4.9, but was not correctly merged into the 5.0 (cambrian) branch. As such these files need to be removed to protect against security profiling. Depending on permissions, authenticated users can upload The HTML/Text module is one of the core modules that is installed by default and provides an easy way to add custom html to a page. DNN Platform contains multiple JavaScript libraries that provide functionality. In cases where a site has a single user the issue obviously is non existant. would suggest to users that dotnetnuke.com trusted that site, when in fact it's not a link that has been published. The excessive number of files may result in disk space issues and cause If you unable to upgrade to the latest version, you can rename or delete the following file from your installation: /Install/InstallWizard.aspx . delete the HtmlEditorProviders\Ftb3HtmlEditorProvider folder from your installation, and remove FreeTextBox.dll and DotNetNuke.Ftb3HtmlEditorProvider.dll from your bin folder. 2. Mitigating factors, To fix this problem, you are recommended to update to the latest version of DotNetNuke (5.6.6/6.1.2 at time of writing). If you do not have any additional users on your portals (e.g. The user must have a valid account, and must have been granted edit module permissions to at least 1 module. This does not effect sites that have disabled registration. “web.config” file. This is a recommended install as it offers protection against a number of other non-DotNetNuke specific URL based issues. This attack occurs when XML input containing a reference to an external entity is processed by a weakly configured XML parser. To assess the number of epidemiologists and epidemiology capacity nationally, the Council of State and Territorial Epidemiologists surveyed state health departments in 2004, 2006, and 2009. The situation whereby these vulnerabilities exist is often only to certain user types which mitigates some of the risk, or access to the exploitation vector. Part of this code fails to sanitize against input and could allow a hacker to use a cross-site scripting attack to execute malicious html/javascript. For versions older than 9.1.1, you can download The user must have access to edit the details of a user account to inject the required javascript. ability to redirect users to different pages per system rules. sites where a user is both admin and host user and no other users exist), then this is not an issue. These APIs have the abilities to make very minor system settings updates, Mitigating factors. Whilst the majority of profile properties encode output, some contain HTML and cannot do so. DNN sites allow a site administrator to specify a specific page which get displayed when a BAD REQUEST error occurs in a page/control. This information could help them to target versions with known security issues, anf therefore, need to be removed to protect against security profiling. If exploited, this vulnerability would allow for the pulling of user data from a DNN site. Any Version09.00.0008.00.0408.00.0308.00.0208.00.0108.00.0007.04.0207.04.0107.04.0007.03.0407.03.0… Each confirmed issue is assigned a severity level (critical, moderate, or low) corresponding to its potential impact on the security of DNN installations. Mitigating factors Background The Exploit Database is a CVE compliant archive of public exploits and corresponding vulnerable software, developed for use by penetration testers and vulnerability researchers. If your portal does not use the text/html module you are not affected. DotNetNuke has a custom errorpage for handling displaying information to users. To fix this problem, you are recommended to update to the latest version of DNN (8.0.1 at time of writing). The issue is only visible with very specific configurations within the DNN Platform, and the exploit would require specific knowledge to exploit, and the resulting impact is minimal. Multiple cross-site scripting (XSS) vulnerabilities in DotNetNuke before 3.0.12 allow remote attackers to inject arbitrary web script or HTML via the (1) register a new user page, (2) User-Agent, or (3) Username, which is not properly quoted before sending to the error log. The user messaging store is keyed off the email address meaning that a potential hacker could impersonate another user and potentially receive their emails. DNN contains a CMS To fix this problem, you are recommended to update to the latest version of DotNetNuke (3.3.4/4.3.4 at time of writing). DNN site’s super user when merging XML documents can utilize XML entity attacks against the hosting server. A user would have to be induced to click on a specially configured URL to execute the XSS issue. This support comes through an assembly A malicious user must know how to create this link and force unsuspecting users to click the link. The function creates a new file for any new profile image height and width - if sufficent requests are made a possibility exists that all available disk space could be consumed, leading to the website not performing as expected. A fix has been added to ensure that only paths relative to the website are supported. Known limitations & technical details, User agreement, disclaimer and privacy statement, DNN (aka DotNetNuke) before 9.1.1 has Remote Code Execution via a cookie, aka "2017-08 (Critical) Possible remote code execution on DNN sites.". But if you have a third party MVC module(s) you might be This option can be used with any of the link types (URL, Page A page on a DNN site., File or User).Link Tracking information is displayed on the Edit Item page of any link it is enabled for. It's not needed while using Trusted Connection. ecktwo. does not allow public or verifed registration then this issue is greatly mitigated. Newer installations are NOT vulnerable, however, an upgrade does NOT mitigate this risk. DNN sites have the This vulnerability is available when running the web site under .NET Framework 4.5.1 and earlier. specific locations. Upon typing certain keywords to search for content in DNN, user may get an error page instead of actual search results. To support paypal IPN functionality, DotNetNuke posts information to and receives status information from the paypal webservice. The DNN Community would like to thank the following for their assistance with this issue. security@dnnsoftware.com These rich text editor controls typically leverage the DotNetNuke URLControl to provide a convenient method for selecting URLs, pages, and files for the portal. vulnerable. However, this pattern can also be used just as easily outside of an administrative experience. A number of browsers incorrectly implement a particular HTML tag, in violation of the official W3C standards. A potential hacker must have a valid, authorized user account on the DotNetNuke portal so that they can then attempt to access other users functions. logged within the DNN system. an admin user account permission escalation. link, which are generally deemed as phishing links by most email clients. BackgroundThe Open Web Application Security Project (OWASP) is a 501c3 not-for-profit worldwide charitable organization focused on improving the … For versions older than 9.1.1, you can download know how to create this HTTP request and send thousands of such requests. To support switching between languages via the Language skin object, the skin object renders the existing page path along with the relevant country flag and a language token. The “Onclick” trigger and the “prompt” command are not filtered properly and JavaScript gets executed. In DNN 9.8.0 the file manager (telerik) is replaced with the new resourcemanager. To fix this problem, you are recommended to update to the latest version of DotNetNuke (4.9.4 at time of writing). and install a hot fix from here http://dnn.ly/SecurityFix201701 . For the 3.0 release of DotNetNuke we added a file manager module. The code that handles this supports selecting the folder but fails to revalidate these permissions. To fix this problem, you are recommended to update to the latest version of DotNetNuke (4.8.3 at time of writing). This means the content is htmlencoded, meaning any HTML (such as a link to a spammers site) is encoded as plain text. In order A malicious user needs be protected by specifying various levels of permissions, such as restrict to the malicious user must entice other non-suspecting users to click on such a Acknowledgments Cvss scores, vulnerability details and links to full CVE details and references (e.g. This issue only allows for the existence of a file to be confirmed and does not allow the file to be read or altered. Some site configure IIS to listen to all incoming traffic on port 80/443 and be directed to a single DNN instance hosted under IIS which serves multiple web sites simultaneously. Background Admins need to change setting to make the Biography public to everyone; by default it is visible to admins only. A malicious user must know that a DNN site is hosted in an IIS server which is configured to direct to all incoming traffic to this site, and must know what the exact URL to target this sites is. An upgrade to DNN Platform version 9.5.0 or later is required, DNN Platform Versions 6.0.0 through 9.4.4. This exception contained the path to help with diagnosing errors. Mitigating factors a "denial of service" attack. DotNetnuke allows administrators to utilise a standard login page or create their own custom login page. To fix this problem, you are recommended to update to the latest version of the DNN platform (7.2.0 at time of writing). To fix this problem, you can use either of these two options : Upgrade your version to either 3.3.3/4.3.3 or later - this is the recommended solution. There is also a patch available that can be installed also. vulnerability of ground water to ground-water contamination, and the extent to which ground-water recharge affects water quality in the Upper Floridan aquifer near the town of Lake City. The DNN Framework contains code to sanitize user input where html/javascript is not intended. Some additional code was also added to encode additional fields in the message editor. A failure to sanitize the “returnurl” query string parameter can mean an open-redirect or cross-site scripting (XSS) issue occurs. DNN sites use WEB API calls to perform various server side actions from the browser’s user interface. When logged in, if the user attempts to access another users profile, they are correctly redirected to a failure page. versions of the Products - DNN Platform 8.0.2 or Evoq 8.4.1 at the time of A failure to sanitize the “returnurl” query string parameter can mean an open-redirect. The file can recommended to delete all SWF files (*.swf) from your site. a page redirect to an IFRAME. DNN Platform Versions 5.0.0 through 9.6.0, The DNN Community thanks the following for identifying the issue and/or working with us to help protect Users. Once selected, the file(s) are passed to the DotNetNuke API which handles the saving of the file, including services such as the ability to store in secure filesystem or secure database. displayed. Cross-site scripting (XSS) vulnerability in EditModule.aspx for DotNetNuke (formerly IBuySpy Workshop) 1.0.6 through 1.0.10d allows remote attackers to inject arbitrary web script or HTML. Whilst this password is not visible, it can allow a potential hacker to access the password so the field has been marked to ensure that it will not be automatically filled. identifying this issue and/or working with us to help protect users: A malicious user can decode DNN Platform 9.6.0 was released with 3.5.0 included, and 9.6.1 was released with jQuery 3.5.1 after they released an urgent update. Description A weakness and two vulnerabilities have been reported in DotNetNuke, which can be exploited by malicious users to enumerate files on an affected system and bypass certain security restrictions and by malicious people to conduct cross-site scripting attacks. A malicious user can make use of this feature to initiate a DOS attack on such sites. DNN Platform Versions 7.0.0 through 9.3.2. Fixed issue with PurgeExpiredItems when the portal's home folder may not have been mapped correctly. This only affects sites which display rich-text profile properties, and a few others which are available to privileged users only. If you still think that your website is infe To fix this problem, you are recommended to update to the latest version of DotNetNuke (5.4.3 at time of writing). DNN® ( formerly DotNetNuke® ) is the leading open source web content management platform (CMS) in the Microsoft ecosystem. read this blog. It assumed that any input passed from a rich text editor control was valid, and did not revalidate the folder permissions. This information could be useful to hackers attempting to profile an application. Per design DNN allows images within DNN folders to be manipulated. contain some old format SWF (Shockwave Flash) files included for demo purposes. a .resources or .config file. This vulnerability is available only through socially engineered tactics Fixed the issue where LinkClick.aspx links were incorrect for child portals; Fixed the issue with the PayPal URL settings. DNN uses a provider model to allow various extension points to be leveraged by users of the platform. To protect against attacks that attempt to use invalid URL's, users can install the free Microsoft URLScan utility(http://www.iis.net/expand/UrlScan). To fix this problem, you can There is a problem with the code that could allow an admin user to upload arbitrary files. Fixed issue with displaying a module on all pages. by an administrator) or if they've been added to a security role, there are a number of system messages which can contain sensitive data, in particular password reminders contain data that users would not want stored in clear text. Fixed issue with displaying a module on all pages. know to craft such malicious links. Many email systems mark such links as phishing links, which further reduces the likelihood of clicking it. INDIRECT or any other kind of loss. To add or edit a module's title a user must have either page editor or module editor permissions. The controltype for the vendor signup still supports anonymous access, if a user can determine the correct access url, they can gain access to adminster vendor details.