xsok command execution

xsok-command-execution (14098) The risk level is classified as HighHigh Risk

Description:

xsok could allow a local attacker to gain elevated privileges on the system. A local attacker could exploit this vulnerability to execute arbitrary commands on the system with privileges of the GID 'games'.


Consequences:

Gain Privileges

Remedy:

For Debian GNU/Linux 3.0 (woody):
Upgrade to the latest xsok package (1.02-9woody2 or later), as listed in DSA-405-1. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

References:

  • BID-9321: XSOK GunZip Path Environment Variable Local Command Execution Vulnerability
  • CVE-2003-0949: xsok 1.02 does not properly drop privileges before finding and executing the gunzip program, which allows local users to execute arbitrary commands.
  • DSA-405: xsok -- missing privilege release
  • OSVDB ID: 3258: xsok gunzip Path Variable Privilege Escalation
  • OSVDB ID: 3333: xsok -xsokdir Command-Line Argument Overflow
  • OSVDB ID: 6879: xsok LANG Environment Variable Overflow

Platforms Affected:

  • Debian Debian Linux 3.0
  • Michael Bischoff xsok

Reported:

Dec 30, 2003

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