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Category:   Application (Generic)  >   libxslt Vendors:   Gnome Development Team
(Red Hat Issues Fix for libxslt) Google Chrome Multiple Flaws Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1027526
SecurityTracker URL:  http://securitytracker.com/id/1027526
CVE Reference:   CVE-2011-3970   (Links to External Site)
Date:  Sep 13 2012
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Multiple vulnerabilities were reported in Google Chrome. A remote user can cause arbitrary code to be executed on the target user's system. libxslt is affected by one vulnerability.

A remote user can create a specially crafted content that, when loaded by the target user, will execute arbitrary code on the target system. The code will run with the privileges of the target user.

Clipboard monitoring after a paste event may disclose information [CVE-2011-3953]. Daniel Cheng reported this vulnerability.

Excessive database usage can cause a crash [CVE-2011-3954]. Collin Payne reported this vulnerability.

Aborting an IndexDB transaction can cause a crash [CVE-2011-3955]. David Grogan reported this vulnerability.

Sandboxed origins inside extensions are not properly handled [CVE-2011-3956]. Devdatta Akhawe, UC Berkeley, reported this vulnerability.

A use-after-free may occur during PDF garbage collection [CVE-2011-3957]. Aki Helin of OUSPG reported this vulnerability.

An incorrect cast may occur related to column span processing [CVE-2011-3958]. miaubiz reported this vulnerability.

A buffer overflow may occur in locale handling [CVE-2011-3959]. Aki Helin of OUSPG reported this vulnerability.

An out-of-bounds read may occur in audio decoding [CVE-2011-3960]. Aki Helin of OUSPG reported this vulnerability.

Race condition may occur after a crash of utility process [CVE-2011-3961]. Shawn Goertzen reported this vulnerability.

An out-of-bounds read may occur in path clipping [CVE-2011-3962]. Aki Helin of OUSPG reported this vulnerability.

An out-of-bounds read may occur in PDF fax image handling [CVE-2011-3963]. Atte Kettunen of OUSPG reported this vulnerability.

Some "URL bar confusion" may occur after a drag and drop operation [CVE-2011-3964]. Code Audit Labs of VulnHunt.com reported this vulnerability.

A crash may occur in signature check [CVE-2011-3965]. Slawomir Blazek reported this vulnerability.

A use-after-free may occur in stylesheet error handling [CVE-2011-3966]. Aki Helin of OUSPG reported this vulnerability.

A crash may occur with an "unusual" certificate [CVE-2011-3967]. Ben Carrillo reported this vulnerability.

A use-after-free may occur in CSS handling [CVE-2011-3968]. Arthur Gerkis reported this vulnerability.

A use-after-free may occur in SVG layout [CVE-2011-3969]. Arthur Gerkis reported this vulnerability.

An out-of-bounds read may occur in libxslt [CVE-2011-3970]. Aki Helin of OUSPG reported this vulnerability.

A use-after-free may occur with mousemove events [CVE-2011-3971]. Arthur Gerkis reported this vulnerability.

An out-of-bounds read may occur in shader translator [CVE-2011-3972]. Google Chrome Security Team (Inferno) reported this vulnerability.

Impact:   A remote user can create HTML that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   Red Hat has issued a fix for CVE-2011-3970 for libxslt.

The Red Hat advisory is available at:

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

Cause:   Access control error, Boundary error, State error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  5, 6

Message History:   This archive entry is a follow-up to the message listed below.
Feb 9 2012 Google Chrome Multiple Flaws Let Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2012:1265-01] Important: libxslt security update

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: libxslt security update
Advisory ID:       RHSA-2012:1265-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2012-1265.html
Issue date:        2012-09-13
CVE Names:         CVE-2011-1202 CVE-2011-3970 CVE-2012-2825 
                   CVE-2012-2870 CVE-2012-2871 
=====================================================================

1. Summary:

Updated libxslt packages that fix several security issues are now available
for Red Hat Enterprise Linux 5 and 6.

The Red Hat Security Response Team has rated this update as having
important security impact. Common Vulnerability Scoring System (CVSS) base
scores, which give detailed severity ratings, are available for each
vulnerability from the CVE links in the References section.

2. Relevant releases/architectures:

RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

3. Description:

libxslt is a library for transforming XML files into other textual formats
(including HTML, plain text, and other XML representations of the
underlying data) using the standard XSLT stylesheet transformation
mechanism.

A heap-based buffer overflow flaw was found in the way libxslt applied
templates to nodes selected by certain namespaces. An attacker could use
this flaw to create a malicious XSL file that, when used by an application
linked against libxslt to perform an XSL transformation, could cause the
application to crash or, possibly, execute arbitrary code with the
privileges of the user running the application. (CVE-2012-2871)

Several denial of service flaws were found in libxslt. An attacker could
use these flaws to create a malicious XSL file that, when used by an
application linked against libxslt to perform an XSL transformation, could
cause the application to crash. (CVE-2012-2825, CVE-2012-2870,
CVE-2011-3970)

An information leak could occur if an application using libxslt processed
an untrusted XPath expression, or used a malicious XSL file to perform an
XSL transformation. If combined with other flaws, this leak could possibly
help an attacker bypass intended memory corruption protections.
(CVE-2011-1202)

All libxslt users are advised to upgrade to these updated packages, which
contain backported patches to resolve these issues. All running
applications linked against libxslt must be restarted for this update to
take effect.

4. Solution:

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258

5. Bugs fixed (http://bugzilla.redhat.com/):

684386 - CVE-2011-1202 libxslt: Heap address leak in XLST
788826 - CVE-2011-3970 libxslt: Out-of-bounds read when parsing certain patterns
835982 - CVE-2012-2825 libxslt: DoS when reading unexpected DTD nodes in XSLT
852935 - CVE-2012-2871 libxslt: Heap-buffer overflow caused by bad cast in XSL transforms
852937 - CVE-2012-2870 libxslt: Use-after-free when processing an invalid XPath expression

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/libxslt-1.1.17-4.el5_8.3.src.rpm

i386:
libxslt-1.1.17-4.el5_8.3.i386.rpm
libxslt-debuginfo-1.1.17-4.el5_8.3.i386.rpm
libxslt-python-1.1.17-4.el5_8.3.i386.rpm

x86_64:
libxslt-1.1.17-4.el5_8.3.i386.rpm
libxslt-1.1.17-4.el5_8.3.x86_64.rpm
libxslt-debuginfo-1.1.17-4.el5_8.3.i386.rpm
libxslt-debuginfo-1.1.17-4.el5_8.3.x86_64.rpm
libxslt-python-1.1.17-4.el5_8.3.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/libxslt-1.1.17-4.el5_8.3.src.rpm

i386:
libxslt-debuginfo-1.1.17-4.el5_8.3.i386.rpm
libxslt-devel-1.1.17-4.el5_8.3.i386.rpm

x86_64:
libxslt-debuginfo-1.1.17-4.el5_8.3.i386.rpm
libxslt-debuginfo-1.1.17-4.el5_8.3.x86_64.rpm
libxslt-devel-1.1.17-4.el5_8.3.i386.rpm
libxslt-devel-1.1.17-4.el5_8.3.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/libxslt-1.1.17-4.el5_8.3.src.rpm

i386:
libxslt-1.1.17-4.el5_8.3.i386.rpm
libxslt-debuginfo-1.1.17-4.el5_8.3.i386.rpm
libxslt-devel-1.1.17-4.el5_8.3.i386.rpm
libxslt-python-1.1.17-4.el5_8.3.i386.rpm

ia64:
libxslt-1.1.17-4.el5_8.3.i386.rpm
libxslt-1.1.17-4.el5_8.3.ia64.rpm
libxslt-debuginfo-1.1.17-4.el5_8.3.i386.rpm
libxslt-debuginfo-1.1.17-4.el5_8.3.ia64.rpm
libxslt-devel-1.1.17-4.el5_8.3.ia64.rpm
libxslt-python-1.1.17-4.el5_8.3.ia64.rpm

ppc:
libxslt-1.1.17-4.el5_8.3.ppc.rpm
libxslt-1.1.17-4.el5_8.3.ppc64.rpm
libxslt-debuginfo-1.1.17-4.el5_8.3.ppc.rpm
libxslt-debuginfo-1.1.17-4.el5_8.3.ppc64.rpm
libxslt-devel-1.1.17-4.el5_8.3.ppc.rpm
libxslt-devel-1.1.17-4.el5_8.3.ppc64.rpm
libxslt-python-1.1.17-4.el5_8.3.ppc.rpm

s390x:
libxslt-1.1.17-4.el5_8.3.s390.rpm
libxslt-1.1.17-4.el5_8.3.s390x.rpm
libxslt-debuginfo-1.1.17-4.el5_8.3.s390.rpm
libxslt-debuginfo-1.1.17-4.el5_8.3.s390x.rpm
libxslt-devel-1.1.17-4.el5_8.3.s390.rpm
libxslt-devel-1.1.17-4.el5_8.3.s390x.rpm
libxslt-python-1.1.17-4.el5_8.3.s390x.rpm

x86_64:
libxslt-1.1.17-4.el5_8.3.i386.rpm
libxslt-1.1.17-4.el5_8.3.x86_64.rpm
libxslt-debuginfo-1.1.17-4.el5_8.3.i386.rpm
libxslt-debuginfo-1.1.17-4.el5_8.3.x86_64.rpm
libxslt-devel-1.1.17-4.el5_8.3.i386.rpm
libxslt-devel-1.1.17-4.el5_8.3.x86_64.rpm
libxslt-python-1.1.17-4.el5_8.3.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/libxslt-1.1.26-2.el6_3.1.src.rpm

i386:
libxslt-1.1.26-2.el6_3.1.i686.rpm
libxslt-debuginfo-1.1.26-2.el6_3.1.i686.rpm

x86_64:
libxslt-1.1.26-2.el6_3.1.i686.rpm
libxslt-1.1.26-2.el6_3.1.x86_64.rpm
libxslt-debuginfo-1.1.26-2.el6_3.1.i686.rpm
libxslt-debuginfo-1.1.26-2.el6_3.1.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/libxslt-1.1.26-2.el6_3.1.src.rpm

i386:
libxslt-debuginfo-1.1.26-2.el6_3.1.i686.rpm
libxslt-devel-1.1.26-2.el6_3.1.i686.rpm
libxslt-python-1.1.26-2.el6_3.1.i686.rpm

x86_64:
libxslt-debuginfo-1.1.26-2.el6_3.1.i686.rpm
libxslt-debuginfo-1.1.26-2.el6_3.1.x86_64.rpm
libxslt-devel-1.1.26-2.el6_3.1.i686.rpm
libxslt-devel-1.1.26-2.el6_3.1.x86_64.rpm
libxslt-python-1.1.26-2.el6_3.1.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/libxslt-1.1.26-2.el6_3.1.src.rpm

x86_64:
libxslt-1.1.26-2.el6_3.1.i686.rpm
libxslt-1.1.26-2.el6_3.1.x86_64.rpm
libxslt-debuginfo-1.1.26-2.el6_3.1.i686.rpm
libxslt-debuginfo-1.1.26-2.el6_3.1.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/libxslt-1.1.26-2.el6_3.1.src.rpm

x86_64:
libxslt-debuginfo-1.1.26-2.el6_3.1.i686.rpm
libxslt-debuginfo-1.1.26-2.el6_3.1.x86_64.rpm
libxslt-devel-1.1.26-2.el6_3.1.i686.rpm
libxslt-devel-1.1.26-2.el6_3.1.x86_64.rpm
libxslt-python-1.1.26-2.el6_3.1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/libxslt-1.1.26-2.el6_3.1.src.rpm

i386:
libxslt-1.1.26-2.el6_3.1.i686.rpm
libxslt-debuginfo-1.1.26-2.el6_3.1.i686.rpm
libxslt-devel-1.1.26-2.el6_3.1.i686.rpm

ppc64:
libxslt-1.1.26-2.el6_3.1.ppc.rpm
libxslt-1.1.26-2.el6_3.1.ppc64.rpm
libxslt-debuginfo-1.1.26-2.el6_3.1.ppc.rpm
libxslt-debuginfo-1.1.26-2.el6_3.1.ppc64.rpm
libxslt-devel-1.1.26-2.el6_3.1.ppc.rpm
libxslt-devel-1.1.26-2.el6_3.1.ppc64.rpm

s390x:
libxslt-1.1.26-2.el6_3.1.s390.rpm
libxslt-1.1.26-2.el6_3.1.s390x.rpm
libxslt-debuginfo-1.1.26-2.el6_3.1.s390.rpm
libxslt-debuginfo-1.1.26-2.el6_3.1.s390x.rpm
libxslt-devel-1.1.26-2.el6_3.1.s390.rpm
libxslt-devel-1.1.26-2.el6_3.1.s390x.rpm

x86_64:
libxslt-1.1.26-2.el6_3.1.i686.rpm
libxslt-1.1.26-2.el6_3.1.x86_64.rpm
libxslt-debuginfo-1.1.26-2.el6_3.1.i686.rpm
libxslt-debuginfo-1.1.26-2.el6_3.1.x86_64.rpm
libxslt-devel-1.1.26-2.el6_3.1.i686.rpm
libxslt-devel-1.1.26-2.el6_3.1.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/libxslt-1.1.26-2.el6_3.1.src.rpm

i386:
libxslt-debuginfo-1.1.26-2.el6_3.1.i686.rpm
libxslt-python-1.1.26-2.el6_3.1.i686.rpm

ppc64:
libxslt-debuginfo-1.1.26-2.el6_3.1.ppc64.rpm
libxslt-python-1.1.26-2.el6_3.1.ppc64.rpm

s390x:
libxslt-debuginfo-1.1.26-2.el6_3.1.s390x.rpm
libxslt-python-1.1.26-2.el6_3.1.s390x.rpm

x86_64:
libxslt-debuginfo-1.1.26-2.el6_3.1.x86_64.rpm
libxslt-python-1.1.26-2.el6_3.1.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/libxslt-1.1.26-2.el6_3.1.src.rpm

i386:
libxslt-1.1.26-2.el6_3.1.i686.rpm
libxslt-debuginfo-1.1.26-2.el6_3.1.i686.rpm
libxslt-devel-1.1.26-2.el6_3.1.i686.rpm

x86_64:
libxslt-1.1.26-2.el6_3.1.i686.rpm
libxslt-1.1.26-2.el6_3.1.x86_64.rpm
libxslt-debuginfo-1.1.26-2.el6_3.1.i686.rpm
libxslt-debuginfo-1.1.26-2.el6_3.1.x86_64.rpm
libxslt-devel-1.1.26-2.el6_3.1.i686.rpm
libxslt-devel-1.1.26-2.el6_3.1.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/libxslt-1.1.26-2.el6_3.1.src.rpm

i386:
libxslt-debuginfo-1.1.26-2.el6_3.1.i686.rpm
libxslt-python-1.1.26-2.el6_3.1.i686.rpm

x86_64:
libxslt-debuginfo-1.1.26-2.el6_3.1.x86_64.rpm
libxslt-python-1.1.26-2.el6_3.1.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2011-1202.html
https://www.redhat.com/security/data/cve/CVE-2011-3970.html
https://www.redhat.com/security/data/cve/CVE-2012-2825.html
https://www.redhat.com/security/data/cve/CVE-2012-2870.html
https://www.redhat.com/security/data/cve/CVE-2012-2871.html
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2012 Red Hat, Inc.
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