From: Secunia Security Advisories (sec-advsecunia.com)
Date: Mon Jun 14 2004 - 08:07:02 CDT

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TITLE:
Chora CVS Viewer Shell Command Injection Vulnerability

SECUNIA ADVISORY ID:
SA11858

VERIFY ADVISORY:
http://secunia.com/advisories/11858/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
From remote

SOFTWARE:
Chora CVS Viewer 1.x

DESCRIPTION:
Stefan Esser has reported a vulnerability in Chora, which can be
exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to an input validation error within
the diff viewing functionality for CVS and SVN repositories, which
can be exploited to inject arbitrary shell commands.

Successful exploitation allows uploading and executing arbitrary
files combined with PHP's file upload functionality (default
configuration).

The vulnerability has been reported in version 1.2.1 and prior.

SOLUTION:
Update to version 1.2.2.
http://www.horde.org/chora/download/

PROVIDED AND/OR DISCOVERED BY:
Stefan Esser, e-matters.

ORIGINAL ADVISORY:
http://security.e-matters.de/advisories/102004.html

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