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TWiki CGI Session File Unspecified Perl Code Execution
Secunia Advisory: SA24091
Release Date: 2007-02-09
Popularity: 8,790 views

Critical:
Less critical
Impact: Privilege escalation
Where: Local system
Solution Status: Vendor Patch

Software:TWiki

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Andrew Moise has reported a vulnerability in TWiki, which can be exploited by malicious, local users to gain escalated privileges.

The vulnerability is caused due to the program loading and executing CGI session files from a temporary directory (by default the world-writable "/tmp"). This can be exploited by creating a specially crafted CGI session file in the directory, which causes it to be loaded and executed as Perl code with the privileges of the web server under unspecified circumstances.

NOTE: It is possible to exploit this by running malicious CGI or PHP scripts on a shared server where another customer runs TWiki.

The vulnerability is reported in 4.x versions prior to 4.1.1 and in TWiki SessionPlugin prior to 2.992.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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