Vigil@nce: Windows, privilege elevation via atapi.sys
April 2009 by Vigil@nce
SYNTHESIS OF THE VULNERABILITY
A local attacker can use a vulnerability of atapi.sys in order to
execute code with system privileges.
Severity: 2/4
Consequences: administrator access/rights
Provenance: user shell
Means of attack: no proof of concept, no attack
Ability of attacker: expert (4/4)
Confidence: unique source (2/5)
Diffusion of the vulnerable configuration: high (3/3)
Creation date: 10/04/2009
IMPACTED PRODUCTS
– Microsoft Windows 2000
– Microsoft Windows 2003
– Microsoft Windows 2008
– Microsoft Windows Vista
– Microsoft Windows XP
DESCRIPTION OF THE VULNERABILITY
The atapi.sys driver handles ATAPI devices, such as cdrom readers.
A local attacker can use a vulnerability of atapi.sys in order to
execute code with system privileges.
Technical details are unknown.
CHARACTERISTICS
Identifiers: BID-34466, VIGILANCE-VUL-8621
http://vigilance.fr/vulnerability/Windows-privilege-elevation-via-atapi-sys-8621