GConf Temporary Directory Creation Denial of Service Vulnerability

Bugtraq ID:	21762
Class:	Design Error
CVE:	CVE-2006-6698
Remote:	No
Local:	Yes
Published:	Dec 26 2006 12:00AM
Updated:	Jan 04 2007 06:21PM
Credit:	Michael Meeks is credited with the discovery of this vulnerability.
Vulnerable:	GNOME gconf 2.8 GNOME gconf 2.7
Not Vulnerable:

GConf Temporary Directory Creation Denial of Service Vulnerability

GConf is prone to a local denial-of-service vulnerability due to a design error.

Exploiting this issue allows local attackers to stop GConf from being used by legitimate users.

Versions 2.7 and 2.8 are vulnerable; other versions may also be affected.

GConf Temporary Directory Creation Denial of Service Vulnerability

An attacker can exploit this issue by creating a directory in '/tmp' with the name 'gconf-$LOGNAME', where $LOGNAME is the username of a target user.

GConf Temporary Directory Creation Denial of Service Vulnerability

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

GConf Temporary Directory Creation Denial of Service Vulnerability

References:

• Bug 141138 �?? gconf can't cope with UID change ... (Michael Meeks)
  
• Bug 167030 �?? /tmp not cleaned up, which causes bad results if user's UID changes (olaf cbk poznan pl)
  
• Bugzilla Bug 219279: CVE-2006-6698 GConfd uses non-unique directory name in /tmp (redhat)
  
• GConf Homepage (GNOME)