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GNATS Arbitrary File Overwrite Security Issue
Secunia Advisory: SA15963
Release Date: 2005-07-07
Last Update: 2006-01-31
Popularity: 5,793 views

Critical:
Less critical
Impact: Security Bypass
Manipulation of data
System access
Where: Local system
Solution Status: Unpatched

Software:GNATS 3.x
GNATS 4.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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

Description:
A security issue has been reported in GNATS, which can be exploited by malicious, local users to overwrite arbitrary files on a vulnerable system.

The security issue is caused due to "gen-index" being installed with suid root when compiled from sources and when the "gnat" user and group do not exist. This can be exploited by malicious users to overwrite arbitrary files by running "gen-index" with the filename to overwrite as the parameter to the "-o" argument.

The security issue has been reported in version 4.0 and 4.1.0. Prior versions might also be affected.

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



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