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Category:   Application (Game)  >   xonix Vendors:   Schoenitz, Torsten and Wunsch, Joerg
Xonix Game High Score Mail Function Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1009789
SecurityTracker URL:  http://securitytracker.com/id/1009789
CVE Reference:   CVE-2004-0157   (Links to External Site)
Date:  Apr 15 2004
Impact:   Execution of arbitrary code via local system, User access via local system

Version(s): 1.4
Description:   A vulnerability was reported in the xonix game software. A local user can gain elevated privileges on the target system.

Debian reported that the software calls an external mail application with set group id (setgid) 'games' group privileges when a new high score is achieved. The flaw resides in 'x11.c'.

From code inspection, it appears that the code executes the 'rmail' binary but does not specify a path to the binary. As a result, a local user can create an alternate binary containing arbitrary commands and then achieve a new high score to cause the arbitrary commands to be executed with 'games' group privileges.

A local user can gain 'games' group privileges.

Steve Kemp is credited with discovery.

Impact:   A local user can execute arbitrary code with 'games' group privileges.
Solution:   No upstream solution was available at the time of this entry.
Cause:   State error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Apr 15 2004 (Debian Issues Fix) Xonix Game High Score Mail Function Lets Local Users Gain Elevated Privileges
Debian has released a fix.



 Source Message Contents

Subject:  CVE-2004-0157


Debian reported a vulnerability in the xonix game software.  An external mail application 
is called with set group id (setgid) 'games' group privileges when a high score is 
achieved, the report said.

A local user can gain 'games' group privileges.

Steve Kemp is credited with discovery.

 
 


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