Gravity: 1/4
 Consequences: data reading, data creation/edition
 Provenance: user shell
 Means of attack: 1 attack
 Ability of attacker: technician (2/4)
 Confidence: confirmed by the editor (5/5)
 Diffusion of the vulnerable configuration: medium (2/3)
 Creation date: 08/09/2008
 Identifier: VIGILANCE-VUL-8095

IMPACTED PRODUCTS

 Unix - plateform

DESCRIPTION

The pam_mount module (Pluggable Authentication Module) mounts a directory when user is authenticated.

The "luserconf" configuration directive indicates the filename ( /.pam_mount.conf.xml) containing directories that user wishes to mount. Normally, user should only be allowed to mount directories that he owns. However, the code doing this check was incorrectly suppressed.

A local attacker can therefore use his luserconf file to mount directories to which he can normally not access.

CHARACTERISTICS

 Identifiers: BID-31041, VIGILANCE-VUL-8095
 Url: https://vigilance.aql.fr/tree/1/8095