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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
(Red Hat Issues Fix) Mozilla Firefox XUL Tree Method Garbage Collection Bug Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1021940
SecurityTracker URL:  http://securitytracker.com/id/1021940
CVE Reference:   CVE-2009-1044   (Links to External Site)
Date:  Mar 28 2009
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.0.7 and prior 3.x versions
Description:   A vulnerability was reported in Mozilla Firefox. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted _moveToEdgeShift() XUL tree method call 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.

Nils reported this vulnerability via TippingPoint's Pwn2Own contest.

The original report is available at:

http://dvlabs.tippingpoint.com/blog/2009/03/18/pwn2own-2009-day-1---safari-internet-explorer-and-firefox-taken-down-by-four-zero-day-exploits
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 released a fix.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2009-0397.html
Vendor URL:  www.mozilla.org/security/announce/2009/mfsa2009-13.html (Links to External Site)
Cause:   Not specified
Underlying OS:   Linux (Red Hat Enterprise)

Message History:   This archive entry is a follow-up to the message listed below.
Mar 20 2009 Mozilla Firefox XUL Tree Method Garbage Collection Bug Lets Remote Users Execute Arbitrary Code


 Source Message Contents
Date:  Fri, 27 Mar 2009 19:36:42 -0400
Subject:  [RHSA-2009:0397-01] Critical: firefox security update


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

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

Synopsis:          Critical: firefox security update
Advisory ID:       RHSA-2009:0397-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2009-0397.html
Issue date:        2009-03-27
CVE Names:         CVE-2009-1044 CVE-2009-1169 
=====================================================================

1. Summary:

Updated firefox packages that fix two security issues are now available for
Red Hat Enterprise Linux 4 and 5.

This update has been rated as having critical security impact by the Red
Hat Security Response Team.

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 AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64

3. Description:

Mozilla Firefox is an open source Web browser. XULRunner provides the XUL
Runtime environment for Mozilla Firefox.

A memory corruption flaw was discovered in the way Firefox handles XML
files containing an XSLT transform. A remote attacker could use this flaw
to crash Firefox or, potentially, execute arbitrary code as the user
running Firefox. (CVE-2009-1169)

A flaw was discovered in the way Firefox handles certain XUL garbage
collection events. A remote attacker could use this flaw to crash Firefox
or, potentially, execute arbitrary code as the user running Firefox.
(CVE-2009-1044)

For technical details regarding these flaws, refer to the Mozilla security
advisories. You can find a link to the Mozilla advisories in the References
section of this errata.

Firefox users should upgrade to these updated packages, which resolve these
issues. For Red Hat Enterprise Linux 4, they contain backported patches to
the firefox package. For Red Hat Enterprise Linux 5, they contain
backported patches to the xulrunner packages. After installing the update,
Firefox must be restarted for the changes to take effect.

4. Solution:

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

This update is available via Red Hat Network.  Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259

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

492211 - CVE-2009-1169 Firefox XSLT memory corruption issue
492212 - CVE-2009-1044 Firefox XUL garbage collection issue (cansecwest pwn2own)

6. Package List:

Red Hat Enterprise Linux AS version 4:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/firefox-3.0.7-3.el4.src.rpm

i386:
firefox-3.0.7-3.el4.i386.rpm
firefox-debuginfo-3.0.7-3.el4.i386.rpm

ia64:
firefox-3.0.7-3.el4.ia64.rpm
firefox-debuginfo-3.0.7-3.el4.ia64.rpm

ppc:
firefox-3.0.7-3.el4.ppc.rpm
firefox-debuginfo-3.0.7-3.el4.ppc.rpm

s390:
firefox-3.0.7-3.el4.s390.rpm
firefox-debuginfo-3.0.7-3.el4.s390.rpm

s390x:
firefox-3.0.7-3.el4.s390x.rpm
firefox-debuginfo-3.0.7-3.el4.s390x.rpm

x86_64:
firefox-3.0.7-3.el4.x86_64.rpm
firefox-debuginfo-3.0.7-3.el4.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/firefox-3.0.7-3.el4.src.rpm

i386:
firefox-3.0.7-3.el4.i386.rpm
firefox-debuginfo-3.0.7-3.el4.i386.rpm

x86_64:
firefox-3.0.7-3.el4.x86_64.rpm
firefox-debuginfo-3.0.7-3.el4.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/firefox-3.0.7-3.el4.src.rpm

i386:
firefox-3.0.7-3.el4.i386.rpm
firefox-debuginfo-3.0.7-3.el4.i386.rpm

ia64:
firefox-3.0.7-3.el4.ia64.rpm
firefox-debuginfo-3.0.7-3.el4.ia64.rpm

x86_64:
firefox-3.0.7-3.el4.x86_64.rpm
firefox-debuginfo-3.0.7-3.el4.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/firefox-3.0.7-3.el4.src.rpm

i386:
firefox-3.0.7-3.el4.i386.rpm
firefox-debuginfo-3.0.7-3.el4.i386.rpm

ia64:
firefox-3.0.7-3.el4.ia64.rpm
firefox-debuginfo-3.0.7-3.el4.ia64.rpm

x86_64:
firefox-3.0.7-3.el4.x86_64.rpm
firefox-debuginfo-3.0.7-3.el4.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/xulrunner-1.9.0.7-3.el5.src.rpm

i386:
xulrunner-1.9.0.7-3.el5.i386.rpm
xulrunner-debuginfo-1.9.0.7-3.el5.i386.rpm

x86_64:
xulrunner-1.9.0.7-3.el5.i386.rpm
xulrunner-1.9.0.7-3.el5.x86_64.rpm
xulrunner-debuginfo-1.9.0.7-3.el5.i386.rpm
xulrunner-debuginfo-1.9.0.7-3.el5.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/xulrunner-1.9.0.7-3.el5.src.rpm

i386:
xulrunner-debuginfo-1.9.0.7-3.el5.i386.rpm
xulrunner-devel-1.9.0.7-3.el5.i386.rpm
xulrunner-devel-unstable-1.9.0.7-3.el5.i386.rpm

x86_64:
xulrunner-debuginfo-1.9.0.7-3.el5.i386.rpm
xulrunner-debuginfo-1.9.0.7-3.el5.x86_64.rpm
xulrunner-devel-1.9.0.7-3.el5.i386.rpm
xulrunner-devel-1.9.0.7-3.el5.x86_64.rpm
xulrunner-devel-unstable-1.9.0.7-3.el5.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/xulrunner-1.9.0.7-3.el5.src.rpm

i386:
xulrunner-1.9.0.7-3.el5.i386.rpm
xulrunner-debuginfo-1.9.0.7-3.el5.i386.rpm
xulrunner-devel-1.9.0.7-3.el5.i386.rpm
xulrunner-devel-unstable-1.9.0.7-3.el5.i386.rpm

ia64:
xulrunner-1.9.0.7-3.el5.ia64.rpm
xulrunner-debuginfo-1.9.0.7-3.el5.ia64.rpm
xulrunner-devel-1.9.0.7-3.el5.ia64.rpm
xulrunner-devel-unstable-1.9.0.7-3.el5.ia64.rpm

ppc:
xulrunner-1.9.0.7-3.el5.ppc.rpm
xulrunner-1.9.0.7-3.el5.ppc64.rpm
xulrunner-debuginfo-1.9.0.7-3.el5.ppc.rpm
xulrunner-debuginfo-1.9.0.7-3.el5.ppc64.rpm
xulrunner-devel-1.9.0.7-3.el5.ppc.rpm
xulrunner-devel-1.9.0.7-3.el5.ppc64.rpm
xulrunner-devel-unstable-1.9.0.7-3.el5.ppc.rpm

s390x:
xulrunner-1.9.0.7-3.el5.s390.rpm
xulrunner-1.9.0.7-3.el5.s390x.rpm
xulrunner-debuginfo-1.9.0.7-3.el5.s390.rpm
xulrunner-debuginfo-1.9.0.7-3.el5.s390x.rpm
xulrunner-devel-1.9.0.7-3.el5.s390.rpm
xulrunner-devel-1.9.0.7-3.el5.s390x.rpm
xulrunner-devel-unstable-1.9.0.7-3.el5.s390x.rpm

x86_64:
xulrunner-1.9.0.7-3.el5.i386.rpm
xulrunner-1.9.0.7-3.el5.x86_64.rpm
xulrunner-debuginfo-1.9.0.7-3.el5.i386.rpm
xulrunner-debuginfo-1.9.0.7-3.el5.x86_64.rpm
xulrunner-devel-1.9.0.7-3.el5.i386.rpm
xulrunner-devel-1.9.0.7-3.el5.x86_64.rpm
xulrunner-devel-unstable-1.9.0.7-3.el5.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://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1044
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1169
http://www.redhat.com/security/updates/classification/#critical
http://www.mozilla.org/security/known-vulnerabilities/firefox30.html#firefox3.0.8

8. Contact:

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

Copyright 2009 Red Hat, Inc.
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