CVE-2012-6051 Information

Description

Google CityHash computes hash values without properly restricting the ability to trigger hash collisions predictably which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table as demonstrated by a universal multicollision attack.

Reference

http://2012.appsec-forum.ch/conferences/c17 http://asfws12.files.wordpress.com/2012/11/asfws2012-jean_philippe_aumasson-martin_bosslet-hash_flooding_dos_reloaded.pdf http://code.google.com/p/cityhash/source/browse/trunk/NEWS https://www.131002.net/data/talks/appsec12_slides.pdf