Rechercher
Contactez-nous Suivez-nous sur Twitter En francais English Language
 

Freely subscribe to our NEWSLETTER

Newsletter FR

Newsletter EN

Vulnérabilités

Unsubscribe

Vigil@nce: Linux kernel, buffer underflow of IB700

December 2008 by Vigil@nce

A local attacker can use the IB700 card in order to create a
denial of service or to elevate his privileges.

 Gravity: 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: confirmed by the editor (5/5)
 Diffusion of the vulnerable configuration: high (3/3)
 Creation date: 10/12/2008

IMPACTED PRODUCTS

 Linux kernel

DESCRIPTION

The drivers/watchdog/ib700wdt.c file implements the support for
the WatchDog located on IB700 cards (Full-Size Socket 370 CPU
Card).

The ibwdt_set_heartbeat() function does not check a limit
condition, which forces an integer to become negative. The kernel
thus corrupts the memory located before the storage area.

A local attacker can therefore use the IB700 card in order to
create a denial of service or to elevate his privileges.

CHARACTERISTICS

 Identifiers: VIGILANCE-VUL-8315
 Url: http://vigilance.fr/vulnerability/8315


See previous articles

    

See next articles


Your podcast Here

New, you can have your Podcast here. Contact us for more information ask:
Marc Brami
Phone: +33 1 40 92 05 55
Mail: ipsimp@free.fr

All new podcasts