Bug 882910 – CVE-2012-6051 firefox, thunderbird, xulrunner: Google CityHash hash function collisions (oCERT-2012-001)

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Bug 882910 - (CVE-2012-6051) CVE-2012-6051 firefox, thunderbird, xulrunner: Google CityHash hash function collisions (oCERT-2012-001)

Summary:	CVE-2012-6051 firefox, thunderbird, xulrunner: Google CityHash hash function ...

Status:	CLOSED NOTABUG

Aliases:	CVE-2012-6051

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=moderate,public=20121123,repor...
Keywords:	Security

Depends On:
Blocks:	882913
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Reported:	2012-12-03 05:41 EST by Jan Lieskovsky
Modified:	2015-07-31 02:55 EDT (History)
CC List:	8 users (show)

See Also:
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2012-12-06 01:43:12 EST
Type:	---
Regression:	---
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Documentation:	---
CRM:
Verified Versions:
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oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
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Description Jan Lieskovsky 2012-12-03 05:41:19 EST

Common Vulnerabilities and Exposures assigned an identifier CVE-2012-6051 to the following vulnerability:

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.

References:
[1] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-6051
[2] http://2012.appsec-forum.ch/conferences/#c17
[3] http://asfws12.files.wordpress.com/2012/11/asfws2012-jean_philippe_aumasson-martin_bosslet-hash_flooding_dos_reloaded.pdf
[4] http://code.google.com/p/cityhash/source/browse/trunk/NEWS
[5] https://www.131002.net/data/talks/appsec12_slides.pdf

oCERT advisory:
[6] http://www.ocert.org/advisories/ocert-2012-001.html

Comment 2 Huzaifa S. Sidhpurwala 2012-12-06 01:43:12 EST

Statement:

Not Vulnerable. This issue does not affect the versions of xulrunner, firefox and thunderbird as shipped with Red Hat Enterprise Linux 5 and 6.

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