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

De la Théorie à la pratique





















Freely subscribe to our NEWSLETTER

Newsletter FR

Newsletter EN

Vulnérabilités

Unsubscribe

Vigil@nce: Gimp, integer overflow via BMP

November 2009 by Vigil@nce

An attacker can invite the victim to open a malicious BMP image with Gimp, in order to generate an integer overflow, leading to code execution.

Severity: 2/4

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

Provenance: document

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: 12/11/2009

IMPACTED PRODUCTS

- Mandriva Enterprise Server
- Mandriva Linux
- Unix - plateform

DESCRIPTION OF THE VULNERABILITY

The Gimp program is used to edit images.

The ReadImage() function of the plug-ins/file-bmp/bmp-read.c file loads images in the BMP format. In order to do so, it allocates memory areas which size is the result of the multiplication between the width and the height of the image. However, this multiplication can overflow, which forces Gimp to store data in a memory area which is too short.

An attacker can therefore invite the victim to open a malicious BMP image with Gimp, in order to generate an integer overflow, leading to code execution.

CHARACTERISTICS

Identifiers: BID-37006, CVE-2009-1570, MDVSA-2009:296, VIGILANCE-VUL-9195

http://vigilance.fr/vulnerability/G...




See previous articles

    

See next articles