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>> Remote code execution in Novell ZENworks Configuration Management 11.3.1 >> Discovered by Pedro Ribeiro (pedrib@gmail.com), Agile Information Security ================================================================================= Disclosure: 07/04/2015 / Last updated: 07/04/2015 >> Background on the affected product: "Automate and accelerate your Windows 7 migration Microsoft estimates that it can take more than 20 hours to migrate a single machine to Windows 7. Novell ZENworks Configuration Management is ready to dramatically accelerate and automate every aspect of your Windows 7 migration efforts. Boost user productivity Use Novell ZENworks Configuration Management to make sure users always have access to the resources they need regardless of where they work or what devices they use. Eliminate IT effort Automatically enforce policies and dynamically manage resources with identity-based management of users as well as devices. Expand your freedom to choose Manage the lifecycles of all your current and future assets, with full support for Windows and Linux systems, Novell eDirectory, Active Directory, and more. Simplify deployment with virtual appliances Slash deployment times with a convenient virtual appliance deployment option. Enjoy a truly unified solution Centralize the management of all your devices into a single, unified and easy-to-use web-based ZENworks console—called ZENworks Control Center." This vulnerability is present in ZENworks Configuration Management (ZCM) which is part of the ZENworks Suite. A blast from the past? This is a similar vulnerability to ZDI-10-078 / OSVDB-63412, but it abuses a different parameter of the same servlet. However this time Novell: - Did not bother issuing a security advisory to their customers. - Did not credit me even though I did responsible disclosure. - Refused to provide a CVE number for months. - Did not update their ZENworks Suite Trial software with the fix (you can download it now from their site, install and test the PoC / Metasploit module). - Does not list the fix in the ZCM 11.3.2 update information (https://www.novell.com/support/kb/doc.php?id=7015776). >> Technical details: Vulnerability: Remote code execution via file upload and directory traversal CVE-2015-0779 Constraints: none; no authentication or any other information needed Affected versions: ZENworks Configuration Management 11.3.1 and below POST /zenworks/UploadServlet?uid=../../../opt/novell/zenworks/share/tomcat/webapps/&filename=payload.war <WAR file payload in the body> The WAR file will be automatically deployed to the server (on certain Windows and Linux installations the path can be "../webapps/"). A Metasploit module that exploits this vulnerability has been released. >> Fix: Upgrade to version ZENworks Configuration Management 11.3.2. [1]: https://github.com/pedrib/PoC/blob/master/generic/zenworks_zcm_rce.txt [2]: https://github.com/rapid7/metasploit-framework/pull/5096 |
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