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Red Hat: RHSA-2016-1985-01 Important: Thunderbird Arbitrary Code Execution

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Calendar Grey October 3, 2016
Scroller Redhat
Make certain your Fedora environment is safeguarded by applying the essential Firefox patch that resolves significant vulnerabilities.
An update for thunderbird is now available for Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6, and Red Hat Enterprise Linux 7

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.

Summary

Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 45.4.0.
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-2016-5257)
Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Christoph Diehl, Andrew McCreight, Dan Minor, Byron Campen, Jon Coppeard, Steve Fink, Tyson Smith, Philipp and Carsten Book as the original reporters.

Topics%20covered

Topics Covered

security advisory security update Red Hat Enterprise Linux important arbitrary code malicious content thunderbird

References

https://access.redhat.com/security/cve/CVE-2016-5257 https://access.redhat.com/security/updates/classification/#important https://www.mozilla.org/en-US/security/known-vulnerabilities/thunderbird/#thunderbird45.4

Package List

Red Hat Enterprise Linux Desktop (v. 5 client):
Source: thunderbird-45.4.0-1.el5_11.src.rpm
i386: thunderbird-45.4.0-1.el5_11.i386.rpm thunderbird-debuginfo-45.4.0-1.el5_11.i386.rpm
x86_64: thunderbird-45.4.0-1.el5_11.x86_64.rpm thunderbird-debuginfo-45.4.0-1.el5_11.x86_64.rpm
Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server):
Source: thunderbird-45.4.0-1.el5_11.src.rpm
i386: thunderbird-45.4.0-1.el5_11.i386.rpm thunderbird-debuginfo-45.4.0-1.el5_11.i386.rpm
x86_64: thunderbird-45.4.0-1.el5_11.x86_64.rpm thunderbird-debuginfo-45.4.0-1.el5_11.x86_64.rpm
Red Hat Enterprise Linux Desktop (v. 6):
Source: thunderbird-45.4.0-1.el6_8.src.rpm
i386: thunderbird-45.4.0-1.el6_8.i686.rpm thunderbird-debuginfo-45.4.0-1.el6_8.i686.rpm
x86_64: thunderbird-45.4.0-1.el6_8.x86_64.rpm thunderbird-debuginfo-45.4.0-1.el6_8.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
Source: thunderbird-45.4.0-1.el6_8.src.rpm
i386: thunderbird-45.4.0-1.el6_8.i686.rpm thunderbird-debuginfo-45.4.0-1.el6_8.i686.rpm
ppc64: thunderbird-45.4.0-1.el6_8.ppc64.rpm thunderbird-debuginfo-45.4.0-1.el6_8.ppc64.rpm
s390x: thunderbird-45.4.0-1.el6_8.s390x.rpm thunderbird-debuginfo-45.4.0-1.el6_8.s390x.rpm
x86_64: thunderbird-45.4.0-1.el6_8.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2016:1985-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2016:1985.html
Issue date: 2016-10-03

Topic

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 impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat Enterprise Linux important arbitrary code malicious content thunderbird

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

Bugs Fixed

1377543 - CVE-2016-5257 Mozilla: Memory safety bugs fixed in Firefox ESR 45.4 (MFSA 2016-85, MFSA 2016-86)

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