Bug 1361982 (CVE-2016-5258)

Summary: CVE-2016-5258 Mozilla: Use-after-free in DTLS during WebRTC session shutdown (MFSA 2016-72)
Product: [Other] Security Response Reporter: Huzaifa S. Sidhpurwala <huzaifas>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: urgent Docs Contact:
Priority: urgent    
Version: unspecifiedCC: jhorak, security-response-team, stransky
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Last Closed: 2016-09-23 05:32:15 UTC Type: ---
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Bug Blocks: 1360577    

Description Huzaifa S. Sidhpurwala 2016-08-01 06:29:40 UTC
Security researcher Looben Yang reported a use-after-free vulnerability in WebRTC. This occurs during WebRTC session shutdown whens when DTLS objects in memory are freed while still actively in use. This results in a potentially exploitable crash. 


External Reference:

https://www.mozilla.org/security/announce/2016/mfsa2016-72.html


Acknowledgements:

Name: the Mozilla project
Upstream: Looben Yang

Comment 1 errata-xmlrpc 2016-08-03 08:08:52 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 5
  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 7

Via RHSA-2016:1551 https://rhn.redhat.com/errata/RHSA-2016-1551.html