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computer vulnerability bulletin CVE-2008-4414

HP Tru64 UNIX: privilege elevation via AdvFS

Synthesis of the vulnerability

A local attacker can use AdvFS in order to elevate his privileges.
Vulnerable systems: Tru64 UNIX.
Severity of this threat: 2/4.
Consequences of an attack: administrator access/rights, privileged access/rights.
Pirate's origin: user shell.
Creation date: 07/11/2008.
Références of this weakness: BID-32160, c01599842, CERTA-2008-AVI-548, CVE-2008-4414, HPSBTU02383, SSRT080098, VIGILANCE-VUL-8228.

Description of the vulnerability

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.

This vulnerability may be related to a buffer overflow occurring in this suid/sgid command.
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