SecurityTracker.com Archives - (Red Hat Issues Fix for Thunderbird) Mozilla Firefox Javascript Regex Parsing Error Discloses Memory to Remote Users

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Category: Application (E-mail Client) > Mozilla Thunderbird

Vendors: Mozilla.org

(Red Hat Issues Fix for Thunderbird) Mozilla Firefox Javascript Regex Parsing Error Discloses Memory to Remote Users

SecurityTracker Alert ID: 1014546

SecurityTracker URL: http://securitytracker.com/id?1014546

CVE Reference: CAN-2005-0989 (Links to External Site)

Date: Jul 21 2005

Impact: Disclosure of system information, Disclosure of user information

Fix Available: Yes Vendor Confirmed: Yes

Advisory: Red Hat Advisory

Description: A vulnerability was reported in Mozilla Firefox in Javascript regex parsing. A remote user can obtain portions of browser memory. Thunderbird is affected.

The browser's javascript implementation does not properly parse lamba list regular expressions.

The vulnerability resides in 'js/src/jsstr.c' in the find_replen() function.

A demonstration exploit is available at:

http://cubic.xfo.org.ru/firefox-bug/index.html

Azafran reported this vulnerability.

Impact: A remote user can access random portions of browser memory.

Vendor URL: www.mozilla.org/products/firefox/ (Links to External Site)

Cause: Access control error, State error

Underlying OS: Linux (Red Hat Enterprise)

Reported By: bugzilla@redhat.com

Message History: This archive entry is a follow-up to the message listed below.

Apr 4 2005

Mozilla Firefox Javascript Regex Parsing Error Discloses Memory to Remote Users

Source Message Contents

Date: Thu, 21 Jul 2005 14:26:18 -0400
From: bugzilla@redhat.com
Subject: [RHSA-2005:601-01] Important: thunderbird security update

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

- ---------------------------------------------------------------------
Red Hat Security Advisory

Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2005:601-01
Advisory URL: https://rhn.redhat.com/errata/RHSA-2005-601.html
Issue date: 2005-07-21
Updated on: 2005-07-21
Product: Red Hat Enterprise Linux
CVE Names: CAN-2005-0989 CAN-2005-1159 CAN-2005-1160 CAN-2005-1532 CAN-2005-2261 CAN-2005-226
5 CAN-2005-2266 CAN-2005-2269
CAN-2005-2270
- ---------------------------------------------------------------------

1. Summary:

Updated thunderbird package that fixes various bugs is now available for
Red Hat Enterprise Linux 4.

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

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, 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. Problem description:

Mozilla Thunderbird is a standalone mail and newsgroup client.

A bug was found in the way Thunderbird handled anonymous functions during
regular expression string replacement. It is possible for a malicious HTML
mail to capture a random block of client memory. The Common
Vulnerabilities and Exposures project has assigned this bug the name
CAN-2005-0989.

A bug was found in the way Thunderbird validated several XPInstall related
JavaScript objects. A malicious HTML mail could pass other objects to the
XPInstall objects, resulting in the JavaScript interpreter jumping to
arbitrary locations in memory. (CAN-2005-1159)

A bug was found in the way the Thunderbird privileged UI code handled DOM
nodes from the content window. An HTML message could install malicious
JavaScript code or steal data when a user performs commonplace actions such
as clicking a link or opening the context menu. (CAN-2005-1160)

A bug was found in the way Thunderbird executed JavaScript code. JavaScript
executed from HTML mail should run with a restricted access level,
preventing dangerous actions. It is possible that a malicious HTML mail
could execute JavaScript code with elevated privileges, allowing access to
protected data and functions. (CAN-2005-1532)

A bug was found in the way Thunderbird executed Javascript in XBL controls.
It is possible for a malicious HTML mail to leverage this vulnerability to
execute other JavaScript based attacks even when JavaScript is disabled.
(CAN-2005-2261)

A bug was found in the way Thunderbird handled certain Javascript
functions. It is possible for a malicious HTML mail to crash the client by
executing malformed Javascript code. (CAN-2005-2265)

A bug was found in the way Thunderbird handled child frames. It is possible
for a malicious framed HTML mail to steal sensitive information from its
parent frame. (CAN-2005-2266)

A bug was found in the way Thunderbird handled DOM node names. It is
possible for a malicious HTML mail to overwrite a DOM node name, allowing
certain privileged chrome actions to execute the malicious JavaScript.
(CAN-2005-2269)

A bug was found in the way Thunderbird cloned base objects. It is possible
for HTML content to navigate up the prototype chain to gain access to
privileged chrome objects. (CAN-2005-2270)

Users of Thunderbird are advised to upgrade to this updated package that
contains Thunderbird version 1.0.6 and is not vulnerable to these issues.

4. Solution:

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

This update is available via Red Hat Network. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

5. Bug IDs fixed (http://bugzilla.redhat.com/):

163285 - CAN-2005-0989 multiple thunderbird issues (CAN-2005-1159 CAN-2005-1160 CAN-2005-1532 CAN-200
5-2261 CAN-2005-2265 CAN-2005-2266
CAN-2005-2269 CAN-2005-2270)

6. RPMs required:

Red Hat Enterprise Linux AS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/thunderbird-1.0.6-1.4.1.src.rpm
4ca651b5dc57453928592fd044c5ec06 thunderbird-1.0.6-1.4.1.src.rpm

i386:
360f828a103407017b5b55080c2abce2 thunderbird-1.0.6-1.4.1.i386.rpm

ia64:
5dc22069eb5347949c82b03a817aab67 thunderbird-1.0.6-1.4.1.ia64.rpm

ppc:
c789ef4e880198bf62c1d5ce6ce45a1a thunderbird-1.0.6-1.4.1.ppc.rpm

s390:
04de8ac6a39f91872cf0fea9a1d095e6 thunderbird-1.0.6-1.4.1.s390.rpm

s390x:
8f157d7f59e420e847b4fc35848dcb29 thunderbird-1.0.6-1.4.1.s390x.rpm

x86_64:
a2eed99f760e2a273fbf33f47224ba49 thunderbird-1.0.6-1.4.1.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/thunderbird-1.0.6-1.4.1.src.rpm
4ca651b5dc57453928592fd044c5ec06 thunderbird-1.0.6-1.4.1.src.rpm

i386:
360f828a103407017b5b55080c2abce2 thunderbird-1.0.6-1.4.1.i386.rpm

x86_64:
a2eed99f760e2a273fbf33f47224ba49 thunderbird-1.0.6-1.4.1.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/thunderbird-1.0.6-1.4.1.src.rpm
4ca651b5dc57453928592fd044c5ec06 thunderbird-1.0.6-1.4.1.src.rpm

i386:
360f828a103407017b5b55080c2abce2 thunderbird-1.0.6-1.4.1.i386.rpm

ia64:
5dc22069eb5347949c82b03a817aab67 thunderbird-1.0.6-1.4.1.ia64.rpm

x86_64:
a2eed99f760e2a273fbf33f47224ba49 thunderbird-1.0.6-1.4.1.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/thunderbird-1.0.6-1.4.1.src.rpm
4ca651b5dc57453928592fd044c5ec06 thunderbird-1.0.6-1.4.1.src.rpm

i386:
360f828a103407017b5b55080c2abce2 thunderbird-1.0.6-1.4.1.i386.rpm

ia64:
5dc22069eb5347949c82b03a817aab67 thunderbird-1.0.6-1.4.1.ia64.rpm

x86_64:
a2eed99f760e2a273fbf33f47224ba49 thunderbird-1.0.6-1.4.1.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://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0989
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1159
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1160
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1532
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2261
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2265
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2266
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2269
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2270

8. Contact:

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

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