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Category:   Application (E-mail Client)  >   Mozilla Thunderbird Vendors:   Mozilla.org
(Red Hat Issues Fix) Mozilla Thunderbird Heap Overflow Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1024661
SecurityTracker URL:  http://securitytracker.com/id/1024661
CVE Reference:   CVE-2010-3765   (Links to External Site)
Date:  Oct 29 2010
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Mozilla Thunderbird. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create specially crafted scripting code 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.

Specially crafted document.write() and appendChild() calls can create duplicate text frames and overwrite buffers.

The vulnerability is not triggered by reading mail. However, the vulnerability can be triggered via RSS feeds if JavaScript is enabled or via third party add-ons that enable browser-like functionality.

This vulnerability is being actively exploited on Windows-based systems.

Morten Krakvik of Telenor SOC reported this vulnerability.
Impact:   A remote user can create scripting code that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   Red Hat has issued a fix.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2010-0812.html
Vendor URL:  www.mozilla.org/security/announce/2010/mfsa2010-73.html (Links to External Site)
Cause:   Boundary error
Underlying OS:   Linux (Red Hat Enterprise)

Message History:   This archive entry is a follow-up to the message listed below.
Oct 28 2010 Mozilla Thunderbird Heap Overflow Lets Remote Users Execute Arbitrary Code


 Source Message Contents
Date:  Thu, 28 Oct 2010 20:53:33 -0600
Subject:  [RHSA-2010:0812-01] Moderate: thunderbird security update

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

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

Synopsis:          Moderate: thunderbird security update
Advisory ID:       RHSA-2010:0812-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2010-0812.html
Issue date:        2010-10-28
CVE Names:         CVE-2010-3765 
=====================================================================

1. Summary:

An updated thunderbird package that fixes one security issue is now
available for Red Hat Enterprise Linux 4 and 5.

The Red Hat Security Response Team has rated this update as having moderate
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.

2. Relevant releases/architectures:

RHEL Optional Productivity Applications (v. 5 server) - i386, 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 Thunderbird is a standalone mail and newsgroup client.

A race condition flaw was found in the way Thunderbird handled Document
Object Model (DOM) element properties. An HTML mail message containing
malicious content could cause Thunderbird to crash or, potentially, execute
arbitrary code with the privileges of the user running Thunderbird.
(CVE-2010-3765)

Note: JavaScript support is disabled by default in Thunderbird. The
CVE-2010-3765 issue is not exploitable unless JavaScript is enabled.

All Thunderbird users should upgrade to this updated package, which
resolves this issue. All running instances of Thunderbird must be restarted
for the 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
http://kbase.redhat.com/faq/docs/DOC-11259

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

646997 - CVE-2010-3765 Firefox race condition flaw (MFSA 2010-73)

6. Package List:

Red Hat Enterprise Linux AS version 4:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/thunderbird-1.5.0.12-33.el4.src.rpm

i386:
thunderbird-1.5.0.12-33.el4.i386.rpm
thunderbird-debuginfo-1.5.0.12-33.el4.i386.rpm

ia64:
thunderbird-1.5.0.12-33.el4.ia64.rpm
thunderbird-debuginfo-1.5.0.12-33.el4.ia64.rpm

ppc:
thunderbird-1.5.0.12-33.el4.ppc.rpm
thunderbird-debuginfo-1.5.0.12-33.el4.ppc.rpm

s390:
thunderbird-1.5.0.12-33.el4.s390.rpm
thunderbird-debuginfo-1.5.0.12-33.el4.s390.rpm

s390x:
thunderbird-1.5.0.12-33.el4.s390x.rpm
thunderbird-debuginfo-1.5.0.12-33.el4.s390x.rpm

x86_64:
thunderbird-1.5.0.12-33.el4.x86_64.rpm
thunderbird-debuginfo-1.5.0.12-33.el4.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/thunderbird-1.5.0.12-33.el4.src.rpm

i386:
thunderbird-1.5.0.12-33.el4.i386.rpm
thunderbird-debuginfo-1.5.0.12-33.el4.i386.rpm

x86_64:
thunderbird-1.5.0.12-33.el4.x86_64.rpm
thunderbird-debuginfo-1.5.0.12-33.el4.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/thunderbird-1.5.0.12-33.el4.src.rpm

i386:
thunderbird-1.5.0.12-33.el4.i386.rpm
thunderbird-debuginfo-1.5.0.12-33.el4.i386.rpm

ia64:
thunderbird-1.5.0.12-33.el4.ia64.rpm
thunderbird-debuginfo-1.5.0.12-33.el4.ia64.rpm

x86_64:
thunderbird-1.5.0.12-33.el4.x86_64.rpm
thunderbird-debuginfo-1.5.0.12-33.el4.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/thunderbird-1.5.0.12-33.el4.src.rpm

i386:
thunderbird-1.5.0.12-33.el4.i386.rpm
thunderbird-debuginfo-1.5.0.12-33.el4.i386.rpm

ia64:
thunderbird-1.5.0.12-33.el4.ia64.rpm
thunderbird-debuginfo-1.5.0.12-33.el4.ia64.rpm

x86_64:
thunderbird-1.5.0.12-33.el4.x86_64.rpm
thunderbird-debuginfo-1.5.0.12-33.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/thunderbird-2.0.0.24-10.el5_5.src.rpm

i386:
thunderbird-2.0.0.24-10.el5_5.i386.rpm
thunderbird-debuginfo-2.0.0.24-10.el5_5.i386.rpm

x86_64:
thunderbird-2.0.0.24-10.el5_5.x86_64.rpm
thunderbird-debuginfo-2.0.0.24-10.el5_5.x86_64.rpm

RHEL Optional Productivity Applications (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/thunderbird-2.0.0.24-10.el5_5.src.rpm

i386:
thunderbird-2.0.0.24-10.el5_5.i386.rpm
thunderbird-debuginfo-2.0.0.24-10.el5_5.i386.rpm

x86_64:
thunderbird-2.0.0.24-10.el5_5.x86_64.rpm
thunderbird-debuginfo-2.0.0.24-10.el5_5.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:

https://www.redhat.com/security/data/cve/CVE-2010-3765.html
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2010 Red Hat, Inc.
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