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Vigil@nce - Fine Free file: denial of service via ELF Strings

December 2014 by Vigil@nce

This bulletin was written by Vigil@nce : http://vigilance.fr/offer

SYNTHESIS OF THE VULNERABILITY

An attacker can force Fine Free file to analyze a malicious ELF file, in order to trigger a denial of service.

Impacted products: Unix (platform)

Severity: 1/4

Creation date: 17/12/2014

DESCRIPTION OF THE VULNERABILITY

The Fine Free file (libmagic) program analyzes files, in order to automatically recognize their type.

However, an ELF file containing large strings consumes a lot of resources.

An attacker can therefore force Fine Free file to analyze a malicious ELF file, in order to trigger a denial of service.

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

http://vigilance.fr/vulnerability/F...




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