set VERIFICATION_CODE , msf5 exploit(windows/http/dnn_cookie_deserialization_rce) > set VERIFICATION_PLAIN , msf5 exploit(windows/http/dnn_cookie_deserialization_rce) > set TARGET 4. You have to parse the plaintext portalID through the VERIFICATION_PLAIN variable, which you can extract by inspecting the source code of the “Edit Profile” page within any user settings page. If you get the “The target appears to be vulnerable” message after running the check, you can proceed by entering the “exploit” command within Metasploit Console. After having responsibly reported it through HackerOne, the DOD solved the high-severity vulnerability and disclosed the report, with all details now publicly available. If the message “The target appears to be vulnerable” is returned after you run the check, you can proceed by entering the “exploit” command within Metasploit Console. Later edit [June 11, 2020]: As part of this research, we discovered a Remote Code Execution vulnerability exploitable through DNN Cookie Deserialization in one of the U.S. Department Of Defense’s biggest websites. Also, DNN supports verified registration of new users through email, but you need to configure a valid SMTP server in order for this security feature to be working. The exploitation is straightforward by passing the malicious payload through the DNNPersonalization cookie within a 404 error page. All images and content are copyright of Digitpol and can not be used, replicated or reproduced without written permission. As a content management system and web application framework, DNN can help you build nearly anything online, and can even integrate with mobile apps and any other system. Technical Write-Up on and PoC Exploit for CVE-2020-11519 and CVE-2020-11520. msf5 exploit(windows/http/dnn_cookie_deserialization_rce) > set VERIFICATION_CODE , msf5 exploit(windows/http/dnn_cookie_deserialization_rce) > set VERIFICATION_PLAIN , msf5 exploit(windows/http/dnn_cookie_deserialization_rce) > set ENCRYPTED true, msf5 exploit(windows/http/dnn_cookie_deserialization_rce) > set TARGET 2, The VERIFICATION_PLAIN value is in the following format: portalID-userID. We won’t spam you with useless information. The registration code is the encrypted form of the portalID and >userID variables used within the application, disclosed in plaintext through the user profile. Oh, wait… I forgot to mention the encryption remained the same (DES) and no changes were applied to it. You can gather the verification code by registering a new user and checking your email. to CVE-2017-9822. Privacy  /   Terms and Policy   /   Site map  /   Contact. (Default DotNetNuke 404 Error status page). https://github.com/dnnsoftware/Dnn.Platform/releases; https://medium.com/@SajjadPourali/dnn-dotnetnuke-cms-not-as-secure-as-you-think-e8516f789175 It's free to sign up and bid on jobs. We also display any CVSS information provided within the CVE List from the CNA. You can use the following Google dorks to find available deployments across the Internet and test them against the DotNetNuke Cookie Deserialization CVE: Deserialization is the process of interpreting streams of bytes and transforming them into data that can be executed by an application. If you don’t want to update and prefer to stick with the current version, you have to change the page the users will be redirected to once they trigger a 404 error (the homepage is a usual recommendation). Because the XML cookie value can be user-supplied through the request headers, you can control the type of the. https://pentest-tools.com/about#contact. The patch for CVE-2018-15811 added the session cookie as a participant in the encryption scheme. Just continue searching until you find a positive integer). The following lines will provide you the details, technical aspects, and vulnerable versions of each DNN Cookie Deserialization CVE. remote exploit … . organizations deployed web platforms powered by DotNetNuke worldwide. Great Job how could i contact pentest tools? DotNetNuke - Cookie Deserialization Remote Code Execution (Metasploit). Later edit [June 11, 2020]: As part of this research, we discovered a Remote Code Execution vulnerability exploitable through DNN Cookie Deserialization in one of the … It’s an unprecedented series of events and we’ll be dealing with the aftermath for a long time to come. You can find those issues in the DotNetNuke from 9.2.2 to 9.3.0-RC. 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The encryption key also presented a poor randomness level (low-entropy). DNN is the largest and most popular open source CMS on the Microsoft ASP.NET stack. 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. The encryption key also presented a poor randomness level (low-entropy). 14 Feb 2020 — DNN asked for technical details again!! Also, DNN supports verified registration of new users through email, but you need to configure a valid SMTP server in order for this security feature to be working. That includes governmental and banking websites. You can also craft a custom payload using the DotNetNuke module within the ysoserial tool. Digitpol is licensed by the Ministry of Justice: Licence Number POB1557, Facebook paying for exploit to catch a predator, voting software security under the microscope… • The Register, Facebook paying for exploit to catch a predator, voting software security under the microscope… |, Database Management Systems Vulnerabilities, Pokazał jak prostym gif-em można w nieautoryzowany sposób dostać się na serwer. (Default DotNetNuke index page after installation). After that, you have to try each potential key until you find the one that works. DotNetNuke Cookie Deserialization in Pentagon’s HackerOne Bug Bounty program, Scan your web application periodically with. Please use the contact form below and send us your questions or inquiries. So besides the target host, target port, payload, encrypted verification code, and plaintext verification code, you also have to set the .DOTNETNUKE cookie of the user you registered within the Metasploit Console. If you get the “The target appears to be vulnerable” message after running the check, you can proceed by entering the “exploit” command within the Metasploit Console. Looking for a fix? DotNetNuke is an open source content management system (CMS) and application development framework for Microsoft .NET. This means you can inject maliciously crafted payloads in the requested format of the application and possibly manipulate its logic, disclose data, or even execute remote code. Because the XML cookie value can be user-supplied through the request headers, you can control the type of the XmlSerializer.Â. Spoofing attack in KDE Connect 30 Nov, 2020 Medium Patched. Learn how to find this issue in the wild by using Google dorks, determine the factors that indicate a DotNetNuke web app is vulnerable, go through hands-on examples, and much more! DotNetNuke uses the DNNPersonalization cookie to store anonymous users’ personalization options (the options for authenticated users are stored through their profile pages). The last failed patch attempt was to use different encryption keys for the DNNPersonalization cookie and the verification code. variables used within the application, disclosed in plaintext through the user profile. The expected structure includes a "type" attribute to instruct the server which type of … 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. You have to expect the process to take some minutes, even hours. If you don’t want to update and prefer to stick with the current version, you have to change the page the users will be redirected to once they trigger a 404 error (the homepage is a usual recommendation). For more information about DotNetNuke, refer to the DotNetNuke Web site. Having both the encrypted and plaintext codes, you can launch a known-plaintext attack and encrypt your payload with the recovered key. Another important functionality DotNetNuke has is the ability to create or import 3rd party custom modules built with VB.NET or C#. : Remote Code Execution in DotNetNuke before 9.1.1, If you want to exploit DotNetNuke Cookie Deserialization through the Metasploit module (which is available through. The following lines will provide you the details, technical aspects, and vulnerable versions of each DNN Cookie Deserialization CVE.                                                         <anyType, http://www.w3.org/2001/XMLSchema-instance, http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/winfx/2006/xaml', clr-namespace:System.Diagnostics;assembly=system', ExpandedWrapperOfXamlReaderObjectDataProvider, "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)  ", the DotNetNuke Cookie Deserialization CVE, Discover how dangerous a ‘Bad Neighbor’ can be – TCP/IP Vulnerability (CVE-2020-16898), Why Zerologon is the silent threat in your network, 2. Affected Versions DNN Platform version 7.0.0 through 9.4.4 (2020-04) Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number. Because the XML cookie value can be user-supplied through the request headers, you can control the type of the XmlSerializer. Patches for these vulnerabilities are already available. Affects DotNetNuke versions 5.0.0 to 9.1.0. 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. 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. After having responsibly reported it through HackerOne, the DOD solved the high-severity vulnerability and disclosed the report, with all details now publicly available. msf5 exploit(windows/http/dnn_cookie_deserialization_rce) > set VERIFICATION_CODE <FILE PATH>, msf5 exploit(windows/http/dnn_cookie_deserialization_rce) > set VERIFICATION_PLAIN <PORTALID>, msf5 exploit(windows/http/dnn_cookie_deserialization_rce) > set TARGET 4. You have to parse the plaintext portalID through the VERIFICATION_PLAIN variable, which you can extract by inspecting the source code of the “Edit Profile” page within any user settings page. If you get the “The target appears to be vulnerable” message after running the check, you can proceed by entering the “exploit” command within Metasploit Console. After having responsibly reported it through HackerOne, the DOD solved the high-severity vulnerability and disclosed the report, with all details now publicly available. If the message “The target appears to be vulnerable” is returned after you run the check, you can proceed by entering the “exploit” command within Metasploit Console. Later edit [June 11, 2020]: As part of this research, we discovered a Remote Code Execution vulnerability exploitable through DNN Cookie Deserialization in one of the U.S. Department Of Defense’s biggest websites. Also, DNN supports verified registration of new users through email, but you need to configure a valid SMTP server in order for this security feature to be working. The exploitation is straightforward by passing the malicious payload through the DNNPersonalization cookie within a 404 error page. All images and content are copyright of Digitpol and can not be used, replicated or reproduced without written permission. As a content management system and web application framework, DNN can help you build nearly anything online, and can even integrate with mobile apps and any other system. Technical Write-Up on and PoC Exploit for CVE-2020-11519 and CVE-2020-11520. msf5 exploit(windows/http/dnn_cookie_deserialization_rce) > set VERIFICATION_CODE <ENCRYPTED>, msf5 exploit(windows/http/dnn_cookie_deserialization_rce) > set VERIFICATION_PLAIN <PLAINTEXT>, msf5 exploit(windows/http/dnn_cookie_deserialization_rce) > set ENCRYPTED true, msf5 exploit(windows/http/dnn_cookie_deserialization_rce) > set TARGET 2, The VERIFICATION_PLAIN value is in the following format: portalID-userID. We won’t spam you with useless information. The registration code is the encrypted form of the portalID and >userID variables used within the application, disclosed in plaintext through the user profile. Oh, wait… I forgot to mention the encryption remained the same (DES) and no changes were applied to it. You can gather the verification code by registering a new user and checking your email. to CVE-2017-9822. Privacy  /   Terms and Policy   /   Site map  /   Contact. (Default DotNetNuke 404 Error status page). https://github.com/dnnsoftware/Dnn.Platform/releases; https://medium.com/@SajjadPourali/dnn-dotnetnuke-cms-not-as-secure-as-you-think-e8516f789175 It's free to sign up and bid on jobs. We also display any CVSS information provided within the CVE List from the CNA. You can use the following Google dorks to find available deployments across the Internet and test them against the DotNetNuke Cookie Deserialization CVE: Deserialization is the process of interpreting streams of bytes and transforming them into data that can be executed by an application. If you don’t want to update and prefer to stick with the current version, you have to change the page the users will be redirected to once they trigger a 404 error (the homepage is a usual recommendation). Because the XML cookie value can be user-supplied through the request headers, you can control the type of the. https://pentest-tools.com/about#contact. The patch for CVE-2018-15811 added the session cookie as a participant in the encryption scheme. Just continue searching until you find a positive integer). The following lines will provide you the details, technical aspects, and vulnerable versions of each DNN Cookie Deserialization CVE. remote exploit … . organizations deployed web platforms powered by DotNetNuke worldwide. Great Job how could i contact pentest tools? DotNetNuke - Cookie Deserialization Remote Code Execution (Metasploit). Later edit [June 11, 2020]: As part of this research, we discovered a Remote Code Execution vulnerability exploitable through DNN Cookie Deserialization in one of the … It’s an unprecedented series of events and we’ll be dealing with the aftermath for a long time to come. You can find those issues in the DotNetNuke from 9.2.2 to 9.3.0-RC. 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