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Category:   Application (E-mail Client)  >   Mozilla Thunderbird Vendors:   Mozilla.org
(Red Hat Issues Fix for Mozilla Thunderbird) Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code, Bypass Security Restrictions, Spoof Content, Modify Files, and Obtain Potentially Sensitive Information
SecurityTracker Alert ID:  1036730
SecurityTracker URL:  http://securitytracker.com/id/1036730
CVE Reference:   CVE-2016-2836   (Links to External Site)
Date:  Sep 5 2016
Impact:   Disclosure of system information, Disclosure of user information, Execution of arbitrary code via local system, Execution of arbitrary code via network, Modification of system information, Modification of user information, User access via local system, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

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 modify files 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. A remote user can spoof content. A local user can gain elevated privileges on the target system. Mozilla Thunderbird is affected.

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

Various memory corruption errors may occur [CVE-2016-2835, CVE-2016-2836].

A heap overflow may occur in nsBidi::BracketData::AddOpening() [CVE-2016-2838].

A stack underflow may occur in mozilla::gfx::BasePoint4d() in the processing of clipping regions in 2D graphics [CVE-2016-5252].

A type confusion error may occur in nsDisplayList::HitTest() [CVE-2016-5263].

A heap overflow may occur in the ClearKey Content Decryption Module (CDM) [CVE-2016-2837].

An integer overflow may occur in WebSocketChannel [CVE-2016-5261].

A use-after-free memory error may occur in nsNodeUtils::NativeAnonymousChildListChange() in the processing of SVG elements [CVE-2016-5264].

A use-after-free memory error may occur in CanonicalizeXPCOMParticipant() [CVE-2016-5259].

A use-after-free memory error may occur in WebRTC [CVE-2016-5258].

A use-after-free memory error may occur in nsXULPopupManager::KeyDown() [CVE-2016-5254].

A use-after-free memory error may occur in js::PreliminaryObjectArray::sweep() [CVE-2016-5255].

A remote user can cause scripting code to execute inside a sandboxed IFRAME that does not permit scripts [CVE-2016-5262].

A remote server can keep a connection open to a target user that has previously requested the favicon after the target user has closed the page to track the target user's IP address as it subsequently changes [CVE-2016-2830].

A remote user can cause the Cairo graphics layer on Linux-based systems (via LibAV) to crash [CVE-2016-2839].

A remote user can use non-ASCII and emjoi characters in 'data:' URLs to spoof URLs in the location bar [CVE-2016-5251].

In certain cases, a local user can exploit a flaw in the Updater on Windows-based systems to potentially gain elevated privileges [CVE-2016-5253].

In certain cases, Firefox session restore data may contain plain text passwords [CVE-2016-5260].

A user can create a specially crafted HTML file and shortcut that, when saved to the same directory on the target user's system and then loaded by the target user, will bypass same origin policy and access potentially sensitive information on the target user's system [CVE-2016-5265].

A remote user can exploit a filtering flaw in the processing of URIs that are dragged by the target user from a web page rendered in Firefox to external software (e.g., local file manager) to modify files on the target user's system [CVE-2016-5266].

A remote user can spoof the addressbar in Firefox for Android via right-to-left character sets combined with left-to-right characters [CVE-2016-5267].

A remote user can pass text as parameters to certain 'about:' URLs to spoof browser content [CVE-2016-5268].

A remote user can trigger a flaw in the Resource Timing API to access certain URLs from the previous page [CVE-2016-5250].

Christian Holler, Tyson Smith, Boris Zbarsky, Byron Campen, Julian Seward, Carsten Book, Gary Kwong, Jesse Ruderman, Andrew McCreight, Phil Ringnalda, Philipp, Toni Huttunen, Atte Kettunen, Bert Massop, Firas Salem, Georg Koppen of the Tor Project, Nils, Samuel Gross,
an anonymous security researcher (via Trend Micro's Zero Day Initiative), Rafay Baloch, Holger Fuhrmannek, Abhishek Arya (Inferno) of the Google Chrome Security Team, Jukka Jylanki, Rafael Gieschke, Looben Yang, Abdulrahman Alqabandi, Mike Kaply, Nikita Arykov, musicDespiteEverything,
and Catalin Dumitru from Amazon 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 modify files 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.

A remote user can spoof content.

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

Solution:   Red Hat has issued a fix for CVE-2016-2836 for Mozilla Thunderbird.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2016-1809.html

Vendor URL:  rhn.redhat.com/errata/RHSA-2016-1809.html (Links to External Site)
Cause:   Access control 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.
Aug 3 2016 Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code, Bypass Security Restrictions, Spoof Content, Modify Files, and Obtain Potentially Sensitive Information



 Source Message Contents

Subject:  [RHSA-2016:1809-01] Important: thunderbird security update

-----BEGIN PGP SIGNED MESSAGE-----
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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: thunderbird security update
Advisory ID:       RHSA-2016:1809-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2016-1809.html
Issue date:        2016-09-05
CVE Names:         CVE-2016-2836 
=====================================================================

1. Summary:

An update for thunderbird is now available for Red Hat Enterprise Linux 5,
Red Hat Enterprise Linux 6, and Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

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 Optional Productivity Applications (v. 5 server) - 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.

This update upgrades Thunderbird to version 45.3.0.

Security Fix(es):

* Multiple 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-2016-2836)

Red Hat would like to thank the Mozilla project for reporting these issues.
Upstream acknowledges Carsten Book, Christian Holler, Gary Kwong, Jesse
Ruderman, Andrew McCreight, Phil Ringnalda, and Philipp as the original
reporters.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

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

All running instances of Thunderbird must be restarted for the update to
take effect.

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

1361974 - CVE-2016-2836 Mozilla: Miscellaneous memory safety hazards (rv:45.3) (MFSA 2016-62)

6. Package List:

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

Source:
thunderbird-45.3.0-1.el5_11.src.rpm

i386:
thunderbird-45.3.0-1.el5_11.i386.rpm
thunderbird-debuginfo-45.3.0-1.el5_11.i386.rpm

x86_64:
thunderbird-45.3.0-1.el5_11.x86_64.rpm
thunderbird-debuginfo-45.3.0-1.el5_11.x86_64.rpm

Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server):

Source:
thunderbird-45.3.0-1.el5_11.src.rpm

i386:
thunderbird-45.3.0-1.el5_11.i386.rpm
thunderbird-debuginfo-45.3.0-1.el5_11.i386.rpm

x86_64:
thunderbird-45.3.0-1.el5_11.x86_64.rpm
thunderbird-debuginfo-45.3.0-1.el5_11.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
thunderbird-45.3.0-1.el6_8.src.rpm

i386:
thunderbird-45.3.0-1.el6_8.i686.rpm
thunderbird-debuginfo-45.3.0-1.el6_8.i686.rpm

x86_64:
thunderbird-45.3.0-1.el6_8.x86_64.rpm
thunderbird-debuginfo-45.3.0-1.el6_8.x86_64.rpm

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

Source:
thunderbird-45.3.0-1.el6_8.src.rpm

i386:
thunderbird-45.3.0-1.el6_8.i686.rpm
thunderbird-debuginfo-45.3.0-1.el6_8.i686.rpm

ppc64:
thunderbird-45.3.0-1.el6_8.ppc64.rpm
thunderbird-debuginfo-45.3.0-1.el6_8.ppc64.rpm

s390x:
thunderbird-45.3.0-1.el6_8.s390x.rpm
thunderbird-debuginfo-45.3.0-1.el6_8.s390x.rpm

x86_64:
thunderbird-45.3.0-1.el6_8.x86_64.rpm
thunderbird-debuginfo-45.3.0-1.el6_8.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
thunderbird-45.3.0-1.el6_8.src.rpm

i386:
thunderbird-45.3.0-1.el6_8.i686.rpm
thunderbird-debuginfo-45.3.0-1.el6_8.i686.rpm

x86_64:
thunderbird-45.3.0-1.el6_8.x86_64.rpm
thunderbird-debuginfo-45.3.0-1.el6_8.x86_64.rpm

Red Hat Enterprise Linux Client (v. 7):

Source:
thunderbird-45.3.0-1.el7_2.src.rpm

x86_64:
thunderbird-45.3.0-1.el7_2.x86_64.rpm
thunderbird-debuginfo-45.3.0-1.el7_2.x86_64.rpm

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

Source:
thunderbird-45.3.0-1.el7_2.src.rpm

ppc64le:
thunderbird-45.3.0-1.el7_2.ppc64le.rpm
thunderbird-debuginfo-45.3.0-1.el7_2.ppc64le.rpm

x86_64:
thunderbird-45.3.0-1.el7_2.x86_64.rpm
thunderbird-debuginfo-45.3.0-1.el7_2.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
thunderbird-45.3.0-1.el7_2.src.rpm

x86_64:
thunderbird-45.3.0-1.el7_2.x86_64.rpm
thunderbird-debuginfo-45.3.0-1.el7_2.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-2016-2836
https://access.redhat.com/security/updates/classification/#important
https://www.mozilla.org/en-US/security/known-vulnerabilities/thunderbird/#thunderbird45.3

8. Contact:

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

Copyright 2016 Red Hat, Inc.
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