Bug 1315575 (CVE-2016-1959)

Summary:	CVE-2016-1959 Mozilla: Service Worker Manager out-of-bounds read in Service Worker Manager (MFSA 2016-22)
Product:	[Other] Security Response	Reporter:	Huzaifa S. Sidhpurwala <huzaifas>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	urgent	Docs Contact:
Priority:	urgent
Version:	unspecified	CC:	security-response-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2016-03-09 08:36:42 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1313724

Description Huzaifa S. Sidhpurwala 2016-03-08 06:10:06 UTC

Security researcher Looben Yang reported a mechanism where the Clients API in Service Workers can be used to trigger an out-of-bounds read in ServiceWorkerManager. This results in a potentially exploitable crash. 


External Reference:

https://www.mozilla.org/security/announce/2016/mfsa2016-22.html


Acknowledgements:

Name: the Mozilla project
Upstream: Looben Yang

Statement:

This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5, 6 and 7.