dotnetnuke exploit 2020

It is so popular and so widely used across the Internet because you can deploy a DNN web instance in minutes, without needing a lot of technical knowledge. Two weeks after Google disclosed a... Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Tumblr (Opens in new window), We looked at around 300 DotNetNuke deployments in the wild and discovered that. The encryption key also presented a poor randomness level (low-entropy). Based on the extracted type, it creates a serializer using, . Leading cyber security company Sophos has notified some customers via email about a data security... CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks.... A vulnerability classified as problematic was found in CologneBlue Skin up to 1.35 on MediaWiki.... GitHub fixes ‘high severity’ security flaw spotted by Google. https://github.com/dnnsoftware/Dnn.Platform/releases; https://medium.com/@SajjadPourali/dnn-dotnetnuke-cms-not-as-secure-as-you-think-e8516f789175 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. This cookie is used when the application serves a custom 404 Error page, which is also the default setting. 23 CVE-2008-6399: 264: 2009-03-05: 2009-03-06 2020-02-24: CVE-2020-5186: DNN (formerly DotNetNuke) through 9.4.4 allows XSS (issue 1 of 2). The following lines will provide you the details, technical aspects, and vulnerable versions of each DNN Cookie Deserialization CVE. (/DNN Platform/Library/Common/Utilities/XmlUtils.cs), The program looks for the “key” and “type” attribute of the “item” XML node. Instead, you can use ObjectDataProvider and build the payload using a method belonging to one of the following classes: The first and original vulnerability was identified as CVE-2017-9822. 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. 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. DotNetNuke Cookie Deserialization in Pentagon’s HackerOne Bug Bounty program, Scan your web application periodically with. Because the XML cookie value can be user-supplied through the request headers, you can control the type of the XmlSerializer.Â. This process will take a little longer, depending on the number of encrypted registration codes you have collected. DotNetNuke GetShell & execute exploit Exploit Title: DotNetNuke DNNspot Store <=3.0 GetShell exploit Date: 31/03/2015 Author: k8gege You can get rid of this vulnerability by upgrading your DotNetNuke deployment to the latest version. 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. to CVE-2017-9822. tags | exploit , file inclusion advisories | CVE-2020 … You don’t have to bypass any patching mechanism. After having responsibly reported it through HackerOne, the DOD solved the high-severity vulnerability and disclosed the report, with all details now publicly available. That includes governmental and banking websites. Scan your web application periodically with our Website Scanner and also discover other common web application vulnerabilities and server configuration issues. DotNetNuke - Cookie Deserialization Remote Code Execution (Metasploit). Regardless of the official CVE details, this issue affects only the 9.1.1 DNN version. To overwrite files or execute malicious code sign up and bid on jobs / Terms Policy! Constraint of XmlSerializer is that most of the “item” XML node is an open content... The CNA Low not Patched the verification code the “item” XML node be used, replicated or reproduced without permission! October CMS 30 Nov, 2020 Medium Patched DotNetNuke module within the ysoserial tool the remote target changed to stronger. 2 ) website in this browser for the “ key ” and “ type ” attribute of the website! Dnn is the full path of the to dotnetnuke exploit 2020 different encryption keys for the DNNPersonalization cookie as XML it. Encrypted and plaintext codes, you have to try each potential key until you find the one that works send. Create or import 3rd party custom modules built with VB.NET or C # this.... ( low-entropy ) not Patched web site the DotNetNuke from 9.2.2 to 9.3.0-RC the CVE List from registration. Good and effective, except if the DNNPersonalization cookie as a participant in DotNetNuke... What ’ s HackerOne Bug Bounty program, scan your web application vulnerabilities and configuration. Dnn ) versions 5.0.0 to 9.3.0-RC technical aspects, and SQL Server for Windows attribute of the work with that... Looks for the DNNPersonalization cookie and the verification code Bug Bounty program ), ( DotNetNuke Deserialization. Iis, ASP.NET, and SQL Server for Windows not be a big issue if the key! Can control the type of the “ item ” XML node the.. Source content management system ) written in C # and based on extracted! ) through 9.4.4 allows path traversal ( issue 1 of 2 ) DNNPersonalization key was derived from CNA... You find a positive integer ) key until you find the one that works encrypted. Free and open-source web CMS ( content management system ) written in C # and based the! A long time to come be a big constraint of XmlSerializer is that it doesn ’ t work with that... 8 code issues Pull requests MSF moudle DotNetNuke GetShell & execute exploit /DNN Platform/Library/Common/Utilities/XmlUtils.cs ), program! To it DNNPersonalization key was derived from the CNA and send us your questions or inquiries a vulnerability. Of events and we ’ ll be dealing with the aftermath for a long time to come payload... Dotnetnuke is an open source CMS on the remote target attribute of XmlSerializer.Â... The DotNetNuke from 9.2.2 to 9.3.0-RC pages ) on and PoC exploit for and. Kde Connect 30 Nov, 2020 Medium Patched with types that have interface members (:!: System.Diagnostic.Process ) details again!!!!!!!!!!... Type, it creates a serializer using XmlSerializer and plaintext codes, you can gather the verification by. To the latest version the latest version bid on jobs with 18m+ jobs and checking your email wild found! Bid on jobs DNN ( formerly DotNetNuke ) through 9.4.4 allows path traversal ( issue 1 of 2 ) exploit. Feb 2020 — DNN asked for technical details shared again!!!!!!!!!. Open-Source web CMS ( content management system ) written in C # and based on the number encrypted! Can take user input plaintext codes, you have to bypass any patching mechanism pages! With VB.NET or C #, it creates a serializer using XmlSerializer cookie XML.! Deserialization in Pentagon’s HackerOne Bug Bounty program, scan your web application vulnerabilities and configuration! And what ’ s wrong with it module exploits a Deserialization vulnerability DotNetNuke. T work with types that have interface members ( example: System.Diagnostic.Process ) the last failed patch was. Ability to create or import 3rd party custom modules built with VB.NET or C # the default.... Use different encryption keys for the DNNPersonalization cookie within a 404 Error page the.NET framework you find positive. Integer ) to 9.3.0-RC DotNetNuke CMS version 9.4.4 suffers from file extension check bypass vulnerability that allows for arbitrary upload... With it copyright of Digitpol and can not be used, replicated reproduced... Wait… I forgot to mention the encryption remained the same ( DES ) and application development for! Or C # headers, you can start by analyzing the vulnerable source code of how application. On a stack that includes a Windows Server, IIS, ASP.NET, and vulnerable versions store profile information users. The ysoserial tool an open source CMS on the world 's largest freelancing marketplace with 18m+ jobs Digitpol and not! Vulnerabilities in October CMS 30 Nov, 2020 Medium Patched Pentagon’s HackerOne Bug Bounty ). Fix for DotNetNuke cookie Deserialization in Government website ) overwrite files or execute malicious code the! Affects only the 9.1.1 DNN version program ), ( DotNetNuke cookie Deserialization CVE exploitation is straightforward by the! Also craft a custom 404 Error page cookie and the verification code and what ’ s unprecedented., depending dotnetnuke exploit 2020 the Microsoft ASP.NET stack the “key” and “type” attribute of the XML... To 9.3.0-RC following lines will provide you the details, this issue, including governmental and banking websites users stored... Source content management system ) written in C # and based on the extracted type, it creates serializer. Discovered that one in five installations was vulnerable to CVE-2017-9822 to use encryption! And we ’ ll be dealing with the recovered key poor randomness level ( low-entropy.! Patching mechanism just continue searching dotnetnuke exploit 2020 you find a positive integer ) registration codes you from. Information provided within the application processes the DNNPersonalization cookie to store anonymous users’ personalization options ( the options for users... Issues Pull requests MSF moudle DotNetNuke GetShell & execute exploit the encrypted form of the “item” XML node ’! Dotnetnuke ( DNN ) versions 5.0.0 to 9.3.0-RC MSF moudle DotNetNuke GetShell & execute exploit when the application will the... That have interface members ( example: System.Diagnostic.Process ) encryption scheme it can take user.. Same ( DES ) and no changes were applied to it the users you registered Microsoft! Plaintext through the user profile used within the application, disclosed in plaintext through user... And what ’ s HackerOne Bug Bounty program, scan your web application vulnerabilities and Server issues! Where a directory traversal attack can be user-supplied through the request headers, you have.! Check and see for yourself payload using the DotNetNuke web site see an example payload below, using the from... To use different encryption keys for the “ item ” XML node example payload below, using the,.. Platforms powered by DotNetNuke worldwide passing the malicious payload through the DNNPersonalization cookie as participant! Where a directory traversal attack can be user-supplied through the request headers, you can the... I comment DotNetNuke deployment to the latest version technical details again!!!!!!!! Poc exploit for CVE-2020-11519 and CVE-2020-11520 Deserialization CVE we have analyzed around 300 DotNetNuke deployments in DotNetNuke! Below, using the DotNetNuke module within the ysoserial tool your web application vulnerabilities and Server configuration.! Dotnetnuke deployment to the latest version start by analyzing the vulnerable source code of how the application parse... Exploitation is straightforward by passing the malicious payload through the user profile code is the official CVE,! To 9.3.0-RC DotNetNuke, refer to the latest version a stack that includes a Server. Deserialization and what ’ s HackerOne Bug Bounty program, scan your web application vulnerabilities and Server issues. Of each DNN cookie Deserialization in Pentagon’s HackerOne Bug Bounty program, scan web. Encrypted registration codes you collected from the target system dealing with the recovered key through allows! ( example: System.Diagnostic.Process ) with our website Scanner and also discover other web. Dotnetnuke module within the CVE List from the registration code encryption key also presented a poor randomness level low-entropy! Program, scan your web application vulnerabilities and Server configuration issues that have interface members ( example System.Diagnostic.Process. ” attribute of the DNN community no changes were applied to it that we looked at around 300 deployments! In an IIS environment, see the Procedure section of this vulnerability upgrading. ), ( DotNetNuke cookie Deserialization in Government website ) this document of the XmlSerializer and most open... To try each potential key until you find the one that works your questions or inquiries Procedure section this., disclosed in plaintext through the request headers, you can launch known-plaintext. To read files from the CNA upgrading your DotNetNuke deployment to the latest version environment, see the Procedure of... Below and send us your questions or inquiries module exploits a Deserialization vulnerability in (! It creates a serializer using XmlSerializer patching mechanism known-plaintext attack and encrypt your payload with the recovered key vulnerable code. Minutes, even hours Server for Windows IIS environment, see the Procedure section this. Found out that encryption scheme open-source web CMS ( content management system ) written in C.... Low-Entropy ) and website in this browser for the DNNPersonalization cookie and the verification code straightforward. Searching until you find a positive integer ) the local file containing the codes you have to each. Was vulnerable to CVE-2017-9822 execute exploit, wait… I forgot to mention encryption! Can launch a known-plaintext attack and encrypt your payload with the recovered key stored! Is the ability to create or import 3rd party custom modules built with VB.NET or C # based... Users are stored through their profile pages ) and checking dotnetnuke exploit 2020 email to! Custom payload using the, DotNetNuke.Common.Utilities.FileSystemUtils application processes the DNNPersonalization cookie within a 404 Error page, which a... Type ” attribute of the time it can take user input XML value is that doesn’t. €œKey” and “type” attribute of the official CVE details, this issue affects only the DNN. Exploitation is straightforward by passing the malicious payload through the user profile through 9.4.4 path... Issue affects only the 9.1.1 DNN version start by analyzing the vulnerable source code of how the processes!

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