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URBAN Symlink and Multiple Local Buffer Overflow Vulnerabilities
Secunia Advisory: SA16680
Release Date: 2005-09-05
Last Update: 2005-09-27
Popularity: 4,705 views

Critical:
Not critical
Impact: Privilege escalation
Where: Local system
Solution Status: Partial Fix

Software:URBAN The Cyborg Project 1.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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

Description:
shaun has reported some vulnerabilities in URBAN, which can be exploited by malicious, local users to gain escalated privileges.

1) Some boundary errors in config.cc, game.cc, highscor.cc, and meny.cc when handling an overly long "HOME" environment variable can be exploited to cause stack-based buffer overflows and execute arbitrary code with "games" group privileges.

2) A malicious user can create a symbolic link to his save game file "~/.urban/savegame.dat" in order to create or overwrite arbitrary files on the system with "games" group privileges.

The vulnerabilities have been reported in version 1.5.3. Prior versions may also be affected.

NOTE: The official release of URBAN does reportedly not install URBAN with setgid "games" privileges by default. However, some Linux distributions install URBAN with setgid "games" privileges.

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



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