Vigil@nce: HP Tru64 UNIX, privilege elevation via AdvFS
November 2008 by Vigil@nce
A local attacker can use AdvFS in order to elevate his privileges.
– Gravity: 2/4
– Consequences: administrator access/rights, privileged access/rights
– Provenance: user shell
– Means of attack: no proof of concept, no attack
– Ability of attacker: expert (4/4)
– Confidence: confirmed by the editor (5/5)
– Diffusion of the vulnerable configuration: high (3/3)
– Creation date: 07/11/2008
IMPACTED PRODUCTS
– Hewlett-Packard Tru64 UNIX
DESCRIPTION
The AdvFS filesystem can be installed as an option under Tru64
UNIX. The /usr/sbin/showfile command displays the attributes of an
AdvFS file.
A local attacker can use showfile to elevate his privileges.
Technical details are unknown.
This vulnerability may be related to a buffer overflow occurring
in this suid/sgid command.
CHARACTERISTICS
– Identifiers: BID-32160, c01599842, CVE-2008-4414, HPSBTU02383,
SSRT080098, VIGILANCE-VUL-8228
– Url: http://vigilance.fr/vulnerability/8228