DNN thanks the following for 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. The malicious user must the special request to use to initiate this login. By default this module is only accessible to Admin or Host users. 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. 9.1.1 at the time of writing. Hacking DNN Based Web Sites Hacking DNN (Dot Net Nuke) CMS based websites is based on the Security Loop Hole in the CMS. This information could help them to target versions with known security issues, anf therefore, need to be removed to protect against security profiling. To do this it uses a name/value pair as part of the request, which is echoed to the form action attribute to ensure that any actions post to the correct page. distributions don't have any code utilizing the code that causes this Whilst this is not a DotNetNuke problem, we have elected to add defensive coding to mitigate this. Mitigating factors, A request could be crafted to this control to allow a user with only file permissions to upload a skin or container. Follow this blog for more information: http://www.dnnsoftware.com/community-blog/cid/155416/902-release-and-security-patch. Whilst installing DotNetNuke a number of files are used to coordinate the intallation or upgrade of a portal. from Microsoft, there is a need to update this assembly in DNN sites. the malicious user must entice other non-suspecting users to click on such a To remediate this issue an upgrade to DNN Platform Version (9.6.1 or later) is required. 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. Under some circumstances it was possible to view the install wizard page, allowing potential hackers to view the portal number. Background This could be used as the basis to gain unauthorised access to portal files or data. Multi-site management that actually scales. If this value is not updated, the "known" value can be used to access the portal. The default html editor that is shipped with DotNetNuke uses the freetextbox component. Skin files are based on asp.net user controls (ascx) but add additional functionality such as security validation. Internet explorer prior to release 8 will not allow this tag in the BODY. The user must have access to the file manager. This issue does not expose any data or causes data corruption. There are a number of substantial mitigations for this issue: The install wizard has code which evaluates the database and assembly versions to determine if an upgrade is required. The DNN Framework supports the ability for sites to allow users to register new accounts. Whilst the majority of profile properties encode output, some contain HTML and cannot do so. User must have Edit permission on a page. 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). DNN has the ability to allow site administrators to update site's containers. Mitigating factors. 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). Note: To fix this issue, the handler now checks in the database to see if the link exists. Deep Learning is a hot buzzword of today. If you unable to upgrade to the latest version, you can rename or delete the following file from your installation: /Install/InstallWizard.aspx . All DNN sites running any version prior to 9.2.0. This could cause the SQL commands in the database scripts included with the application to re-execute. For the 3.3.3/4.3.3 releases of DotNetNuke, the membership/roles/provider components were significantly overhauled to allow better granularity of control, and to allow us to make a number of enhancements. be protected by specifying various levels of permissions, such as restrict to When running with multiple languages a flag selector is available. where  ControlSrc = 'Admin/Vendors/EditVendors.ascx'. To add or edit a module's title a user must have either page editor or module editor permissions. features, a malicious link can send users to outside of the current site Mitigating factors, To fix this problem, you are recommended to update to the latest version of DotNetNuke (6.2.5 at time of writing). Alternatively users can block access to log files by adding the following to their web.config's HttpHandler section. The user profile function is fully templatable, a site can configure this to minimise or eliminate potential issues. 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. During installation or upgrade DotNetNuke runs through database scripts in sequence to create the database schema and insert various pieces of data. MVC that comes in ASP.NET in 2016. 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 few Web APIs in DNN Mitigating factors. The default biography field on the user's profile was changed from a rich text box to use a multiline text box for new installs. This issue will only manifest under a reasonably rare set of permissions. Today, the GHDB includes searches for A possibility exists to use this tag to redirect requests for certain files to another site. In cases where a site has a single user the issue obviously is non existant. 9.1.1 at the time of writing. Penetration Testing with Kali Linux (PWK), Evasion Techniques and breaching Defences (PEN-300), Advanced Web Attacks and Exploitation (AWAE), Offensive Security Wireless Attacks (WiFu), - Penetration Testing with Kali Linux (PWK), CVE A malicious user may use information provided by some installations to decipher or calculate certain key cryptographic information, this could allow further unintended access to be gained. The member directory fails to apply these checks to a number of fields. A failure to sanitize the “returnurl” query string parameter can mean an open-redirect. The only proper fix for this issue is to upgrade to DNN Platform 9.6.0 or later. This is the recommeded fix. To fix this problem, you are recommended to update to the latest version of DotNetNuke (4.8.4 at time of writing), Jimmy Summers- -Southern Progress Corporation. Specific default installation DNN Community would like to thank the following for their with... 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