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CodeMeter Weak Service Permissions

CodeMeter Weak Service Permissions
Posted Nov 24, 2014
Authored by Matt Smith, Andrew Smith aka jakx

A local privilege escalation vulnerability has been identified in the codemeter.exe Windows service. When installed with the default settings, this service allows Read/Write access to any user, meaning any user can modify the location of the binary executed by the service with SYSTEM privileges.

tags | advisory, local
systems | windows
advisories | CVE-2014-8419
MD5 | 8bf98d87de45f491e094c4b1ab0fd17e

CodeMeter Weak Service Permissions

Change Mirror Download
CodeMeter Weak Service Permissions

Vendor Website : http://www.codemeter.com

INDEX
---------------------------------------
1. Background
2. Description
3. Affected Products
4. Vulnerability
5. Solution
6. Credit
7. Disclosure Timeline
8. CVE

1. BACKGROUND
---------------------------------------
CodeMeter from Wibu-Systems provides maximum protection against software piracy and is bundled with multiple open-source products.

2. DESCRIPTION
---------------------------------------

When the CodeMeter runtime is installed on a Microsoft Windows operating system, it creates a service named "codemeter.exe".

A local privilege escalation vulnerability has been identified in the codemeter.exe Windows service. When installed with the default settings, this service allows Read/Write access to any user, meaning any user can modify the location of the binary executed by the service with SYSTEM privileges.

It should be noted that this vulnerability is not present in the most recent version of Codemeter runtime (currently 5.20).


3. AFFECTED PRODUCTS
---------------------------------------
Only the following versions have been confirmed vulnerable:

CodeMeter Runtime 4.50b
CodeMeter Runtime 4.40
CodeMeter Runtime 4.20b


4. VULNERABILITIES
---------------------------------------

4.1 codemeter.exe


5. SOLUTION
---------------------------------------
Vendor contacted and approved for disclosure as most recent version is not vulnerable.


6. CREDIT
---------------------------------------
This vulnerability was discovered by Andrew Smith and Matt Smith of Sword & Shield Enterprise Security.


7. DISCLOSURE TIMELINE
---------------------------------------
7-16-2014 - Vulnerability Discovered
8-11-2014 - Vendor Informed
11-20-2014 - Public Disclosure


8. CVE
---------------------------------------
CVE-2014-8419

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