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Category:   Application (E-mail Client)  >   Mozilla Thunderbird Vendors:   Mozilla.org
(Red Hat Issues Fix for Thunderbird) Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code, Obtain Potentially Sensitive Information, Bypass Security Restrictions, and Gain Elevated Privileges
SecurityTracker Alert ID:  1032993
SecurityTracker URL:  http://securitytracker.com/id/1032993
CVE Reference:   CVE-2015-2724, CVE-2015-2725, CVE-2015-2731, CVE-2015-2734, CVE-2015-2735, CVE-2015-2736, CVE-2015-2737, CVE-2015-2738, CVE-2015-2739, CVE-2015-2740, CVE-2015-2741   (Links to External Site)
Updated:  Jul 20 2015
Original Entry Date:  Jul 20 2015
Impact:   Disclosure of authentication information, Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of authentication information, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 39.0
Description:   Multiple vulnerabilities were reported in Mozilla Firefox. A remote user can cause arbitrary code to be executed on the target user's system. A remote user can gain elevated privileges. A remote user can bypass security controls on the target system. A remote user can obtain potentially sensitive information on the target system. Mozilla Thunderbird is affected.

A remote user can create specially crafted HTML that, when loaded by the target user, will trigger a memory corruption error and execute arbitrary code on the target system [CVE-2015-2724, CVE-2015-2725, CVE-2015-2726, CVE-2015-2734, CVE-2015-2735, CVE-2015-2736, CVE-2015-2737, CVE-2015-2738, CVE-2015-2739, CVE-2015-2740]. The code will run with the privileges of the target user.

When the target user opens a link on a page using the mouse and specific keyboard key combinations, a Chrome privileged URL can be opened without context restrictions being applied [CVE-2015-2727]. This vulnerability was previously reported but was not applied to version 38.

A remote user can trigger a type confusion error in the Indexed Database Manager to execute arbitrary code [CVE-2015-2728].

A remote user can trigger an out-of-bounds memory read in AudioParamTimeline::AudioNodeInputValue() in the processing of Web Audio to determine the contents of four bytes of memory [CVE-2015-2729].

A remote user can trigger a use-after-free memory error in CSPService::ShouldLoad() when a Content Policy modifies the Document Object Model (DOM) to remove a DOM object [CVE-2015-2731].

The Elliptical Curve Cryptography (ECC) multiplication for Elliptic Curve Digital Signature Algorithm (ECDSA) signature validation in Network Security Services (NSS) does not properly handle certain exceptional cases [CVE-2015-2730]. A remote user may be able to exploit this to forge signatures.

A remote user can trigger a use-after-free memory error when using XMLHttpRequest in conjunction with shared or dedicated workers [CVE-2015-2722, CVE-2015-2733].

When an error that may be overridden occurs, key pinning checks may be missed [CVE-2015-2741].

Crash reports on OS X may contain native key press information [CVE-2015-2742].

A remote user can create a specially crafted PDF file that, when loaded by the target user, will trigger a flaw in the 'PDF.js' viewer and execute code with elevated privileges [CVE-2015-2743].

A remote user that can conduct a man-in-the-middle attack can cause the target system to downgrade the Diffie-Hellman algorithm to 512-bit export-grade cryptography [CVE-2015-4000]. The remote user may then be able to decrypt the connection.

This vulnerability resides in the TLS protocol and not in the specific TLS implementation, but the vulnerability is exposed because the target system supports export-grade ciphers. This attack is known as the "Logjam" attack.

A remote user (server) can exploit a flaw in Network Security Services (NSS) by failing to send the ServerKeyExchange message as part of a ECDHE_ECDSA exchange to cause the target NSS client to use the EC key from the ECDSA certificate, a downgraded exchange [CVE-2015-2721].

Bob Clary, Christian Holler, Bobby Holley, Andrew McCreight, Terrence Cole, Steve Fink, Mats Palmgren, Wes Kocher, Andreas Pehrson, Tooru Fujisawa, Andrew Sutherland, Gary Kwong, Jann Horn, Paul Bandha, Holger Fuhrmannek, Herre, Watson Ladd, Looben Yan, Ronald Crane, David Keeler, David Parks, Jonas Jenwald, Matthew Green, David Adrian et al, and Karthikeyan Bhargavan reported these vulnerabilities.

Impact:   A remote user can create content that, when loaded by the target user, will execute arbitrary code on the target user's system.

A remote user can gain elevated privileges on the target system.

A remote user can bypass security controls on the target system.

A remote user can obtain potentially sensitive information on the target system.

Solution:   Red Hat has issued a fix for CVE-2015-2724, CVE-2015-2725, CVE-2015-2731, CVE-2015-2734, CVE-2015-2735, CVE-2015-2736, CVE-2015-2737, CVE-2015-2738, CVE-2015-2739, CVE-2015-2740, and CVE-2015-2741 for Mozilla Thunderbird.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2015-1455.html

Vendor URL:  rhn.redhat.com/errata/RHSA-2015-1455.html (Links to External Site)
Cause:   Access control error, Authentication error, Boundary error, Input validation error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  5, 6, 7

Message History:   This archive entry is a follow-up to the message listed below.
Jul 3 2015 Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code, Obtain Potentially Sensitive Information, Bypass Security Restrictions, and Gain Elevated Privileges



 Source Message Contents

Subject:  [RHSA-2015:1455-01] Important: thunderbird security update

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Hash: SHA1

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

Synopsis:          Important: thunderbird security update
Advisory ID:       RHSA-2015:1455-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2015-1455.html
Issue date:        2015-07-20
CVE Names:         CVE-2015-2724 CVE-2015-2725 CVE-2015-2731 
                   CVE-2015-2734 CVE-2015-2735 CVE-2015-2736 
                   CVE-2015-2737 CVE-2015-2738 CVE-2015-2739 
                   CVE-2015-2740 CVE-2015-2741 
=====================================================================

1. Summary:

An updated thunderbird package that fixes multiple security issues is now
available for Red Hat Enterprise Linux 5, 6, and 7.

Red Hat Product Security 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 Optional Productivity Applications (v. 5 server) - i386, x86_64
Red Hat Enterprise Linux Client (v. 7) - 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 Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64

3. Description:

Mozilla Thunderbird is a standalone mail and newsgroup client.

Several flaws were found in the processing of malformed web content. A web
page containing malicious content could cause Thunderbird to crash or,
potentially, execute arbitrary code with the privileges of the user running
Thunderbird. (CVE-2015-2724, CVE-2015-2725, CVE-2015-2731, CVE-2015-2734,
CVE-2015-2735, CVE-2015-2736, CVE-2015-2737, CVE-2015-2738, CVE-2015-2739,
CVE-2015-2740)

It was found that Thunderbird skipped key-pinning checks when handling an
error that could be overridden by the user (for example an expired
certificate error). This flaw allowed a user to override a pinned
certificate, which is an action the user should not be able to perform.
(CVE-2015-2741)

Note: All of the above issues cannot be exploited by a specially crafted
HTML mail message as JavaScript is disabled by default for mail messages.
They could be exploited another way in Thunderbird, for example, when
viewing the full remote content of an RSS feed.

Red Hat would like to thank the Mozilla project for reporting these issues.
Upstream acknowledges Bob Clary, Christian Holler, Bobby Holley, Andrew
McCreight, Herre, Ronald Crane, and David Keeler as the original reporters
of these issues.

For technical details regarding these flaws, refer to the Mozilla security
advisories for Thunderbird 31.8. You can find a link to the Mozilla
advisories in the References section of this erratum.

All Thunderbird users should upgrade to this updated package, which
contains Thunderbird version 31.8, which corrects these issues.
After installing the update, Thunderbird must be restarted for the changes
to take effect.

4. Solution:

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

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

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

1236947 - CVE-2015-2724 CVE-2015-2725 Mozilla: Miscellaneous memory safety hazards (rv:31.8 / rv:38.1) (MFSA 2015-59)
1236953 - CVE-2015-2731 Mozilla: Use-after-free in Content Policy due to microtask execution error (MFSA 2015-63)
1236956 - CVE-2015-2734 CVE-2015-2735 CVE-2015-2736 CVE-2015-2737 CVE-2015-2738 CVE-2015-2739 CVE-2015-2740 Mozilla: Vulnerabilities found through code inspection (MFSA 2015-66)
1236963 - CVE-2015-2741 Mozilla: Key pinning is ignored when overridable errors are encountered (MFSA 2015-67)

6. Package List:

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

Source:
thunderbird-31.8.0-1.el5_11.src.rpm

i386:
thunderbird-31.8.0-1.el5_11.i386.rpm
thunderbird-debuginfo-31.8.0-1.el5_11.i386.rpm

x86_64:
thunderbird-31.8.0-1.el5_11.x86_64.rpm
thunderbird-debuginfo-31.8.0-1.el5_11.x86_64.rpm

RHEL Optional Productivity Applications (v. 5 server):

Source:
thunderbird-31.8.0-1.el5_11.src.rpm

i386:
thunderbird-31.8.0-1.el5_11.i386.rpm
thunderbird-debuginfo-31.8.0-1.el5_11.i386.rpm

x86_64:
thunderbird-31.8.0-1.el5_11.x86_64.rpm
thunderbird-debuginfo-31.8.0-1.el5_11.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
thunderbird-31.8.0-1.el6_6.src.rpm

i386:
thunderbird-31.8.0-1.el6_6.i686.rpm
thunderbird-debuginfo-31.8.0-1.el6_6.i686.rpm

x86_64:
thunderbird-31.8.0-1.el6_6.x86_64.rpm
thunderbird-debuginfo-31.8.0-1.el6_6.x86_64.rpm

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

Source:
thunderbird-31.8.0-1.el6_6.src.rpm

i386:
thunderbird-31.8.0-1.el6_6.i686.rpm
thunderbird-debuginfo-31.8.0-1.el6_6.i686.rpm

ppc64:
thunderbird-31.8.0-1.el6_6.ppc64.rpm
thunderbird-debuginfo-31.8.0-1.el6_6.ppc64.rpm

s390x:
thunderbird-31.8.0-1.el6_6.s390x.rpm
thunderbird-debuginfo-31.8.0-1.el6_6.s390x.rpm

x86_64:
thunderbird-31.8.0-1.el6_6.x86_64.rpm
thunderbird-debuginfo-31.8.0-1.el6_6.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
thunderbird-31.8.0-1.el6_6.src.rpm

i386:
thunderbird-31.8.0-1.el6_6.i686.rpm
thunderbird-debuginfo-31.8.0-1.el6_6.i686.rpm

x86_64:
thunderbird-31.8.0-1.el6_6.x86_64.rpm
thunderbird-debuginfo-31.8.0-1.el6_6.x86_64.rpm

Red Hat Enterprise Linux Client (v. 7):

Source:
thunderbird-31.8.0-1.el7_1.src.rpm

x86_64:
thunderbird-31.8.0-1.el7_1.x86_64.rpm
thunderbird-debuginfo-31.8.0-1.el7_1.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

Source:
thunderbird-31.8.0-1.el7_1.src.rpm

x86_64:
thunderbird-31.8.0-1.el7_1.x86_64.rpm
thunderbird-debuginfo-31.8.0-1.el7_1.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

Source:
thunderbird-31.8.0-1.ael7b_1.src.rpm

ppc64le:
thunderbird-31.8.0-1.ael7b_1.ppc64le.rpm
thunderbird-debuginfo-31.8.0-1.ael7b_1.ppc64le.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
thunderbird-31.8.0-1.el7_1.src.rpm

x86_64:
thunderbird-31.8.0-1.el7_1.x86_64.rpm
thunderbird-debuginfo-31.8.0-1.el7_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/

7. References:

https://access.redhat.com/security/cve/CVE-2015-2724
https://access.redhat.com/security/cve/CVE-2015-2725
https://access.redhat.com/security/cve/CVE-2015-2731
https://access.redhat.com/security/cve/CVE-2015-2734
https://access.redhat.com/security/cve/CVE-2015-2735
https://access.redhat.com/security/cve/CVE-2015-2736
https://access.redhat.com/security/cve/CVE-2015-2737
https://access.redhat.com/security/cve/CVE-2015-2738
https://access.redhat.com/security/cve/CVE-2015-2739
https://access.redhat.com/security/cve/CVE-2015-2740
https://access.redhat.com/security/cve/CVE-2015-2741
https://access.redhat.com/security/updates/classification/#important
https://www.mozilla.org/en-US/security/known-vulnerabilities/thunderbird/#thunderbird31.8

8. Contact:

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

Copyright 2015 Red Hat, Inc.
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