Novell ZenWorks Configuration Management 11.3.1 Code Execution / Traversal

Published
Credit
Risk
2015.04.08
Pedro Ribeiro
High
CWE
CVE
Local
Remote
CWE-22
CVE-2015-0779
No
Yes

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete

>> 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


See this note in RAW Version

 
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