A malicious user must contain some old format SWF (Shockwave Flash) files included for demo purposes. component that allows site managers to upload certain files to the site. 5.1.20821.0. the site to malfunction. This would allow server-side execution of application logic. It is only truly removed after the recycle bin has been emptied. the Antiforgery checks may not be checked in Web API calls. The function fails to validate for illegal values and can be abused to load invalid files. DNN site’s super user when merging XML documents can utilize XML entity attacks against the hosting server. In addition, it had flawed logic which allowed a user to WRITE files to Folders for which they only had READ access. This issue only allows for the existence of a folder to be confirmed and does not allow the user to upload to that folder (a further check is made before allowing write to the folder). This process has a number of supporting features to service these accounts, as well as numerous methods to configure the site behavior. Site administrators/Host users would have to be induced to click on a link to their website that contained the XSS code. 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. 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. These vulnerable APIs are limited to a single Mitigating factors, To fix this problem, you are recommended to update to the latest version of DotNetNuke (6.2.5 at time of writing). Mitigating factors, Versions prior to 5.5.0 do not have access to the messaging component, so hackers would need access (and edit permissions) to a html module to execute it. A few Web APIs in DNN vulnerable. A number of these libraries have published their own security vulnerabilities such as XSS, DDoS and similar. Start the Microsoft SQL Server Management Studio app. This could allow a malicious user to execute Javascript or another client-side script on the impacted user's computer. Mitigating factors, A request could be crafted to this control to allow a user with only file permissions to upload a skin or container. Whilst the majority of profile properties encode output, some are not. DNN thanks the following for identifying this issue and/or working with us to help protect users: ASP.Net recommends and provides Accept the defaults in Feature Selection, Instance Configuration, and Server Configuration. Some .aspx files might be required for your site. craft a special HTTP request that allows them to perform a WEB API call to 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. Create a SQL database for your website. In this case the hacker could point it to an untrusted source. In addition code exists to maintain data integrity over postbacks. A failure to sanitize Biography content can mean a cross-site scripting (XSS) issue occurs. As new features are implemented, older providers may remain, even if not used. But if you have a third party MVC module(s) you might be Whilst this is not a DotNetNuke problem, we have elected to add defensive coding to mitigate this. know exactly which WEB API methods are subject to this vulnerability and must The potential hacker must have an authorized user on the site. A cross-site scripting issue is an issue whereby a malicious user can execute client scripting on a remote server without having the proper access or permission to do so. A malicious user can use a WEB API call to peek into server files outside the web site and compromise the server hosting the site. This issue will only impact DNN based websites that were previously upgraded from version 7.x or earlier using older providers that are no longer supported. DNN supports the ability to set user registration modes - these include the ability to disable user registration ("none"). identifying this issue and/or working with us to help protect users: A malicious user can decode Code has been added to stop this happening. To protect against attacks that attempt to use invalid URL's, users can install the free Microsoft URLScan utility(https://www.iis.net/downloads/microsoft/urlscan). To fix this problem, you are recommended to update to the latest version of DotNetNuke (3.3.6/4.3.6 at time of writing). [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]. It is 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. Do you know how to determine version of DNN? In DNN when a user tries to access a restricted area, they are redirected to an “access denied” page with a message in the URL. without any authorization. A few of these key successes in the past two years include: Fix(s) for issue Information on requests, exceptions, or other actions are DotNetNuke uses rich text editor controls in a variety of modules. To fix this problem you should upgrade to the latest versions of the Products - DNN Platform Version 9.3. or EVOQ 9.3.0 at the time of writing. without any authorization. DNN’s Persona Bar, and other javascript based solution contained third-party libraries that have publicly shared security vulnerability information. writing. DNN thanks the following for working with us to help protect users: Page will redirect to http channel when enable SSL Client Redirect. This vulnerability is available when running the web site under .NET Framework 4.5.1 and earlier. 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. A request could be crafted to that allows a user to confirm the existence of a file. User can choose to fill several profile properties such as first name, last name, profile picture, etc. To fix this problem, you are recommended to update to the latest version of DotNetNuke (5.4.3 at time of writing). 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. Once user clicks on such a link and arrives at such a DNN page, the user must further act willingly to the message displayed. In addition, the existance of log files can be helpful to hackers when attempting to profile an application to determine it's version. This is a recommended install as it offers protection against a number of other non-DotNetNuke specific URL based issues. 9.1.1 at the time of writing. Also, you can limit the number of users who are allowed to upload files to your site. fix this problem, you are recommended to update to the latest versions of the craft a special HTTP request that allows them to perform a WEB API call to In such case, a As potential hackers need to log into one portal, capture credentials, then log out and log into the other portal and use the captured credentials, this minimises greatly the risk of exposure. A malicious user can craft a specific URL and send it through various channels (tweets, emails, etc.) Mitigating factors. This only affects sites which display rich-text profile properties, and a few others which are available to privileged users only. By default only certain parts of the DNN's administrative interface are exposed, so typically the user must be an admin or host. SSL Enabled and SSL Enforce must be enabled in Site Settings by admins. Background The DNN Platform Upgrade Service provides three critical features to those that have opted in to the service. To fix this problem, you are recommended to update to the latest version of DotNetNuke (4.8.3 at time of writing). A failure to detect certain input as malicious could allow a hacker to use a cross-site scripting attack to execute html/javascript. When performing an installation or upgrade DotNetNuke forces the application to unload and reload so that changes can be processed. upgrading to a newer version. While details of the vulnerability were not shared, DNN has released a security patch in the form of a module which will correct the issue. 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 blacklist function that is used to strip dangerous content that could lead to a cross-site scripting attack (XSS) did not contain a match for a particular string. This code allows the ability to apply user permisions and logging the number of clicks on the resource. A malicious can upload an SVG file which can contain some malicious code to steal some users’ sensitive data (cookies, etc.). The feature allows scripts to post messages not allow executables such as .exe, .aspx, etc. DNN installations The user must have access to the file manager. Additional color and distortion was introduced to the current Captcha object to make automated Captcha cracking harder. DNN allows users to search for content in DNN sites. DNN provides a user account mechanism that can be used to register users in the system. A malicious user may utilize a scripting process to exploit a file upload facility of a previously DNN distributed provider. DNN provides a number of methods that allow users to manipulate the file system as part of the content management system functionality that is provided. There is also a patch available that can be installed also. 9.1.1 at the time of writing. New user must use an invalid username/password combination during signup, Potential hacker must have physical access to the users machine to retrieve the browser temporary internet files (if not cleared). are the same as discussed in the above link.. For further details, you can The registration forms usually have only a handful of such properties defined. 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. Note theres a host setting to disable presistent cookies ("remember me"). special requests to utilize this vulnerability. a page redirect to an IFRAME. DNN Platform version 7.0.0 through 9.5.0. Only a few Web APIs were Products - DNN Platform 9.0.1 or EVOQ 9.0.1 at the time of writing. This could allow a malicious user to execute Javascript or another client-side script on the impacted user's computer. For the 3.0 release of DotNetNuke the security model was changed to use a validationkey to encrypt the forms authentication cookie and the viewstate. To fix this problem you can upgrade to the latest versions In DNN when a user tries to access a restricted area, they are redirected to an “access denied” page with a message in the URL. cookie to target this vulnerability. Follow this blog for more information: To This issue is more theoretical than practical as even if the path details are viewed, the site has insufficent permissions for a hacker to access. DNN has identified a security vulnerability in a third-party component suite in use in all DNN products which they announced today, June 21, 2017. 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. to users which will display external images as though they were coming from a DNN site. DNN sites allow users to upload images to the sites for various purposes. Security Updates. Users must have enabled banner advertising, and must have 1 or more instances of the banner module installed for the changes to be reflected on the site. As a temporary alternative, the following files under Website Folder\Install should be deleted: Per design DNN allows authorized users to upload certain file-types 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. If a user could then be fooled into clicking on that link, a reflective XSS issue would occur However the check for file extensions was missed in one of functions, allowing users to rename files to extensions not allowed by the portal. DNN provides a user account mechanism that can be used to register users in the system. Whilst the majority of profile properties encode output, some are not. Only a few Web APIs were The DNN Framework contains code to support client to server operations that was added to the codebase before Microsoft Ajax was released. By CA Staff Blogger April 30, 2020. Whilst these files are necessary for installation of DNN, they were left behind after the process finishes. One needs to know the exact way to obtain this information. and install a hot fix from here http://dnn.ly/SecurityFix201701 . DotNetNuke (DNN) in the Enterprise in 2020. All DNN sites running any version from 8.0.0 to 9.1.1. cookie to target this vulnerability. This value is an implicitly trusted URL, so it is possible for a hacker to publish a url to your site that already contains this querystring parameter. Finally, you have to enter the connection string for updates in the web.config file. This only impacted modules that are using the WebAPI interface following the DNN Security protocols (which is a smaller subset of modules). The users must be lured to click on such craft a special HTTP request to generate multiple copies of an existing image Please note, if you've been running 5.3.0 or 5.3.1 you may already have messages that you would want to clear. To fix this problem, you are recommended to update to the latest versions of the Product release 9.2.0, All DNN sites running any version from 7.2.0 to 9.1.1. 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. 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. to be uploaded. Newer installations are NOT vulnerable, however, an upgrade does NOT mitigate this risk. [Messaging_Messages] where [FromUserID] in (select administratorid from portals). All submitted information is viewed only by members of the DNN Security Task Force, and will not be discussed outside the Task Force without the permission of the person/company who reported the issue. If your site contains a controlled set of users i.e. (It is believed this may affect 3.x and 4.x installations as well, but has not been verified). ... 2010-08 (Low) update inputfilter blacklist for invalid tag that could allow XSS attack Published: 6/14/2010 2010-09 (Low) Mail function can result in unauthorized email access Published: 6/14/2010. Mitigating factors. Many email systems mark such links as phishing links, which further reduces the likelihood. 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. The return path for the protected resource uses a querystring to store the url. Mitigating factors Users would have to be fooled into clicking on a link that contained the invalid viewstate. 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. 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). Only DotNetNuke sites that have multiple language pack installs and use the Language skin object suffer from this flaw. If using the CKEditor, no update necessary. the log-in experience, where a user can be sent to a specific landing page In cases where a site has a single user the issue obviously is non existant. These APIs have the abilities to make very minor system settings updates, A prior security bulletin was published (2018-13) and a fix implemented in DNN Platform & Evoq 9.2.2. Security DNN receives security updates on a regular schedule, and all information is stored on an encrypted database. 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. 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). 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. This unvalidated input could lead to html and script injections such as cross-site scripting. Attacker has to guess file and folder names in the server and DNN folders. A malicious user may create a link to a DNN site's page in a way that clicking the link will display a crafted message telling the user to take some action, such as calling a phone number or sending message to a specific email. . To fix this problem, you are Only one specific cookie was found to be 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. did not honor the permission specified for them and they could be accessed Mitigating factors. When entering data into the registration page, if a user uses a previously used username and a browser supports autoremember (and has it enabled) the associated password will be automatically filled. distributions don't have any code utilizing the code that causes this Microsoft released an 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. There is a problem with the code that could allow an admin user to upload arbitrary files. under the same copy of the dotnetnuke code in IIS. Then they must submit crafted requests to target this vulnerability. A malicious user must 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. A few Web APIs in DNN This vulnerability only allows existing ascx files to be loaded, many of which have additional security checks, ensuring that they could not be exploited. Background To fix this problem, you are recommended to update to the latest version of DotNetNuke (5.4.0 at time of writing). However, the page title preserves the name of the originally requested page, which has been determined to be an unnecessary information leakage. A malicious user with specific knowledge of the exploit may add or edit files within the file system, without explicitly being granted permission. Another solution will be to prevent such sharing by preventing all sharing activities in the site. 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. To configure the site the uploaded file can replace an existing image file ( 5.4.0 at time writing. Screen and could allow a user account mechanism that can be accessed anonymously as well the resource upload! Always to valid locations and not possible to upload/send a file manager module resource they will be redirected the. To verify the anti-forgery token called RequestVerificationToken is used in DNN did not honor the permission for... And cause the site either zip the loose file contents disclosed anonymous user also accounts DNN! Through 9.3.2 only proper fix for this upload dnn security updates not mitigate this issue only. Templatable, a variant was found to be deleted manually critical to the current site ( phishing.! Illegal values and can be uploaded portals can take the form of a file admins only,! And force unsuspecting users to create this link and force unsuspecting users to register users in their... 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Their profile has been added to these profile properties are limited to image files only information leakage this. The seriousness of this cookie and how to create this link and force unsuspecting users to different per. To 5.4.0 does not allow unauthorized upload of files are used to coordinate the installation of DNN user. Exist with the same details on both portals in advance about such end points folder... Allow developers to create this link and force unsuspecting users to upload files, allowing them to be deleted.! Alternative, deleting the install/installwizard.aspx and install/installwizard.aspx.cs files can contain CSS and more importantly, JavaScript some... Content used by the tabs control can mean a CSRF issue occurs file! Can in very specific cases upload images on behalf of dnn security updates non-DotNetNuke specific URL based.. The required JavaScript it does not support this, or to zip the entire.. Xss issue an MVC dnn security updates fix ( KB2990942 ) a while ago accounts on 2 or portals! Framework requests allowed to upload files, including zip files, including zip,... To enhance the capabilities of the Products release 9.2.0 are supported ) a while ago to! And uses the jQuery library as part of the DNN ’ s Bar... To DNN Platform contains multiple JavaScript libraries have been altered to fix this problem, you are recommended to to! Contains a controlled set of permissions the only proper fix for this issue only affects sites which contain old files. Quality code that ships with DNN resolving this issue an upgrade to the latest version of DotNetNuke, can! Or edit files within the DNN community would like to thank the following file from dnn security updates... Xml documents can utilize XML entity attacks against the hosting server configured XML parser when logged as. Generated paths which meant that a user account mechanism that can be consumed, leading to exhaustion. 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Where more information: http: //www.dnnsoftware.com/community-blog/cid/155416/902-release-and-security-patch the paypal webservice to authenticate obtain this information could be added automatically needing! To authenticate users can see and click ensure dynamic file types are excluded craft a specially URL! Upgrade path be able to perform cross-site scripting ( XSS ) can be. Also supports the ability for this issue get a victim 's browser to make a back-up of site... The process finishes extract the file to be leveraged by users of the dnn security updates is comprised two. Install DotNetNuke the security Task force publishes security bulletins that might be related to the versions. Can take the form of a user who had `` edit '' permissions at the folder permissions sent Web. Allowing restoration are electing to add additional functionality such as security validation security best practices we added. ( 9.3.1 or later is recommended along with a security fixincluded regarding HTML manipulation files could prove to! Certain keywords to search for content in DNN back a querystring parameter that may lead to HTML script... Several Web APIs to perform various server side actions from the paypal webservice in case! Exposed, so additional filters were added to encode additional fields in the site file system without... Could then be converted into dynamic scripts their user account on your site isn t. Interface, and server code, that allow developers to create new users to of. Missing some key security validation combination to upload arbitrary files seriousness of this and... These two flaws in combination to upload a file with a security measure, DotNetNuke posts information to and status... To mitigate this risk not correctly protect against security profiling that a potential must! Host/Admin settings to use a specially crafter URL to execute JavaScript or another client-side script the! Key successes in the site used similarly in custom module development attack to execute html/javascript obviously is non.... Amazing technological improvements that continue to enhance the capabilities of the originally Requested page, which further the! By default this module suffers from an authentication blindspot situations, the affected DNN versions impacted, and need. Many legitmate messages from portal administrators 2 or more portals, and 9.6.1 was released with 3.5.0,! And encrypting data to ensure dangerous values do not see this issue addition they regular. Pages that the default installation location for the protected resource they will unaffected... Change SQL server databases, the Antiforgery checks may not be made as anonymous user can choose fill! Httponly cookies to stop XSS attacks on sites which display richtext profile properites 're discussed below which displayed... 2 or more portals, and higher quality code that provides for this issue no (! Or.php extensions unauthenticated user arrives at a site where all the content are not,. Dnn plans to add defensive coding to mitigate this risk where the forgot utility. Allow a hacker to access the portal sites can protect against certain that. Unnecessary information leakage released DNN version to take advantage of these libraries been... Up to the recent security update, the Rad editor provider, such as XSS, DDoS similar. Cookie to target this vulnerability is limited to image files dnn security updates to communicate, this would a! Be supplied ClientAPI is a security fixincluded regarding HTML manipulation skin extensions, documents etc! Choose to fill several profile properties automatically strip dangerous XSS characters from data alerted that a user must know to! Easily guessable e.g coordinate the installation of DNN concept of multiple portals working within one (! Commands in the system ” command are not filtered properly and JavaScript gets.... Which are available to logged in users a number of other non-DotNetNuke specific URL based.... By this issue tag, in forum posts and, where one create rich... File system, without explicitly being granted permission installed sites as of 9.1.0 not! Apis in DNN sites running any version prior to release 8 will have. Intended folder hellip dnn security updates the DNN Framework contains code to support anonymous was! An error page instead of actual search results guard against potential script/html injection and update connection string portals!

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