Bug 827832 (CVE-2012-1946)

Summary: CVE-2012-1946 Mozilla: Use-after-free while replacing/inserting a node in a document (MFSA 2012-38)
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: gecko-bugs-nobody, jrusnack, security-response-team
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard: impact=critical,public=20120605,reported=20120603,source=mozilla,cvss2=6.8/AV:N/AC:M/Au:N/C:P/I:P/A:P,rhel-5/firefox=affected,rhel-6/firefox=affected,rhel-5/thunderbird=affected,rhel-6/thunderbird=affected,cwe=CWE-416
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-06-06 20:30:26 EDT Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---
Bug Depends On:    
Bug Blocks: 816119    

Description Huzaifa S. Sidhpurwala 2012-06-03 04:42:54 EDT
Security researcher Arthur Gerkis used the Address Sanitizer tool to find a use-after-free while replacing/inserting a node in a document. This use-after-free could possibly allow for remote code execution. 

Reference:
http://www.mozilla.org/security/announce/2012/mfsa2012-38.html
Comment 1 Murray McAllister 2012-06-04 23:25:06 EDT
Acknowledgements:

Red Hat would like to thank the Mozilla project for reporting this issue.
Upstream acknowledges security researcher Arthur Gerkis as the original
reporter.
Comment 2 errata-xmlrpc 2012-06-05 16:59:35 EDT
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5
  Red Hat Enterprise Linux 6

Via RHSA-2012:0710 https://rhn.redhat.com/errata/RHSA-2012-0710.html
Comment 3 errata-xmlrpc 2012-06-06 19:51:32 EDT
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 5

Via RHSA-2012:0715 https://rhn.redhat.com/errata/RHSA-2012-0715.html