Steam Insecure File Permissions Local Privilege Escalation Vulnerability

Bugtraq ID:	48504
Class:	Design Error
CVE:
Remote:	No
Local:	Yes
Published:	Jun 29 2011 12:00AM
Updated:	Jun 29 2011 12:00AM
Credit:	Gjoko Krstic
Vulnerable:	Valvesoftware Steam 0 - Microsoft Windows 2000 Professional - Microsoft Windows 95 - Microsoft Windows 98 - Microsoft Windows 98SE - Microsoft Windows ME - Microsoft Windows NT 4.0
Not Vulnerable:

Steam Insecure File Permissions Local Privilege Escalation Vulnerability

Steam is prone to a local privilege-escalation vulnerability that occurs because of insecure file permissions.

A local attacker can exploit this issue to execute arbitrary code with the privileges of the affected application.

Steam Insecure File Permissions Local Privilege Escalation Vulnerability

An attacker needs local interactive access to exploit this issue.

Steam Insecure File Permissions Local Privilege Escalation Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Steam Insecure File Permissions Local Privilege Escalation Vulnerability

References:

• Steam Homepage (Valve Corporation)
  
• Valve Steam Client Application v1559/1559 Local Privilege Escalation (Gjoko Krstic)