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Greymatter gm-upload.cgi File Upload Vulnerability
Secunia Advisory: SA19423
Release Date: 2006-03-28
Last Update: 2006-03-30
Popularity: 5,289 views

Critical:
Less critical
Impact: System access
Where: From remote
Solution Status: Unpatched

Software:Greymatter 1.x

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CVE reference:CVE-2006-1485


Description:
syst3m_f4ult has discovered a vulnerability in Greymatter, which can be exploited by malicious users to compromise a vulnerable system.

The vulnerability is caused due to an error in the handling of file uploads in "gm-upload.cgi". This can be exploited to upload arbitrary files to a location inside the web root (e.g. PHP scripts).

Successful exploitation requires that the user has file upload privileges (normally administrators).

The vulnerability has been confirmed in version 1.3.1. Other versions may also be affected.

Solution:
Move the upload directory out of the web root. This may affect functionality.

Provided and/or discovered by:
syst3m_f4ult, Crouz Security Team

Changelog:
2006-03-30: Added CVE reference.


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