Bug 860671 (CVE-2012-2893)

Summary:	CVE-2012-2893 libxslt: Heap-double-free in xmlFreeNodeList
Product:	[Other] Security Response	Reporter:	Jan Lieskovsky <jlieskov>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	veillard
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:	2012-09-27 04:56:05 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:

Description Jan Lieskovsky 2012-09-26 12:50:31 UTC

Common Vulnerabilities and Exposures assigned an identifier CVE-2012-2893 to the following vulnerability:

Double free vulnerability in libxslt, as used in Google Chrome before 22.0.1229.79, allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to XSL transforms.

References:
[1] http://git.chromium.org/gitweb/?p=chromium.git;a=commit;h=9a5da8e7d4b6f3454614b0331a51bf29c966f556
[2] http://googlechromereleases.blogspot.com/2012/09/stable-channel-update_25.html
[3] https://chromiumcodereview.appspot.com/10919019
[4] https://code.google.com/p/chromium/issues/detail?id=144799
[5] https://src.chromium.org/viewvc/chrome?view=rev&revision=154331

Comment 1 Jan Lieskovsky 2012-09-26 12:53:02 UTC

This issue does NOT affect the versions of the libxslt package, as shipped with Red Hat Enterprise Linux 5 and 6 (they were already updated to correct this).

--

This issue does NOT affect the versions of the libxslt package, as shipped with Fedora release of 16 and 17 (they were already updated to correct this).

Comment 2 Jan Lieskovsky 2012-09-26 12:58:18 UTC

Upstream patch:
[6] http://git.gnome.org/browse/libxslt/commit/?id=54977ed7966847e305a2008cb18892df26eeb065

Comment 3 Huzaifa S. Sidhpurwala 2012-09-27 04:54:18 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 5
  Red Hat Enterprise Linux 6

Via RHSA-2012:1265 http://rhn.redhat.com/errata/RHSA-2012-1265.html

Comment 4 Huzaifa S. Sidhpurwala 2012-09-27 04:56:05 UTC

This issue has been addressed in Fedora via the following security advisories:

Fedora-16: https://admin.fedoraproject.org/updates/FEDORA-2012-14048
Fedora-17: https://admin.fedoraproject.org/updates/FEDORA-2012-14083
Fedora-18: https://admin.fedoraproject.org/updates/FEDORA-2012-13871