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Vigil@nce: VLC, memory corruptions via TY

October 2008 by Vigil@nce

SYNTHESIS

An attacker can create a malformed TiVo file in order to create a denial of service or to execute code on computers of VLC users.

Gravity: 2/4

Consequences: user access/rights, denial of service of client

Provenance: document

Means of attack: 1 attack

Ability of attacker: technician (2/4)

Confidence: confirmed by the editor (5/5)

Diffusion of the vulnerable configuration: high (3/3)

Number of vulnerabilities in this bulletin: 2

Creation date: 20/10/2008

Revision date: 22/10/2008

IMPACTED PRODUCTS

- Unix - plateform

DESCRIPTION

The VideoLAN VLC program displays multimedia documents. It has two vulnerabilities.

The libty_plugin can be used to open TiVo files. It has two vulnerabilities.

If the TV file contains long data, a buffer overflow occurs in parse_master(). [grav:2/4; CVE-2008-4654, TKADV2008-010, VideoLAN-SA-0809]

A malformed file can create several integer overflows. [grav:2/4; BID-31867, CVE-2008-4686]

An attacker can therefore create a malformed TiVo file in order to create a denial of service or to execute code on computers of VLC users.

CHARACTERISTICS

Identifiers: BID-31813, BID-31867, CVE-2008-4654, CVE-2008-4686, TKADV2008-010, VideoLAN-SA-0809, VIGILANCE-VUL-8183

http://vigilance.aql.fr/vulnerability/8183




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