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Vigil@nce: imlib2, several vulnerabilities

October 2008 by Vigil@nce

An attacker can create a malicious image leading to code execution when it is displayed by imlib2.

- Gravity: 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)
- Number of vulnerabilities in this bulletin: 4
- Creation date: 24/10/2008

IMPACTED PRODUCTS

- Unix - plateform

DESCRIPTION

The imlib2 library handles the display and the conversion of images. It has several vulnerabilities.

An ARGB (Alpha/Red/Green/Blue) image can create a denial of service. [grav:1/4]

A JPEG image can create a denial of service. [grav:1/4]

A TGA image can create a buffer overflow. [grav:2/4]

A XPM image can create a buffer overflow. [grav:2/4]

An attacker can therefore create a malicious image leading to a denial of service or to code execution in applications linked to imlib2.

CHARACTERISTICS

- Identifiers: BID-31880, VIGILANCE-VUL-8201
- Url: http://vigilance.aql.fr/vulnerability/8201




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