RHEL 5 / 6 / 7 : thunderbird (RHSA-2016:0460)

This script is Copyright (C) 2016-2017 Tenable Network Security, Inc.


Synopsis :

The remote Red Hat host is missing one or more security updates.

Description :

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.

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-2016-1952, CVE-2016-1954,
CVE-2016-1957, CVE-2016-1960, CVE-2016-1961, CVE-2016-1974,
CVE-2016-1964, CVE-2016-1966)

Multiple security flaws were found in the graphite2 font library
shipped with Thunderbird. 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-2016-1977, CVE-2016-2790, CVE-2016-2791, CVE-2016-2792,
CVE-2016-2793, CVE-2016-2794, CVE-2016-2795, CVE-2016-2796,
CVE-2016-2797, CVE-2016-2798, CVE-2016-2799, CVE-2016-2800,
CVE-2016-2801, CVE-2016-2802)

Red Hat would like to thank the Mozilla project for reporting these
issues. Upstream acknowledges Bob Clary, Christoph Diehl, Christian
Holler, Andrew McCreight, Daniel Holbert, Jesse Ruderman, Randell
Jesup, Nicolas Golubovic, Jose Martinez, Romina Santillan, ca0nguyen,
lokihardt, Nicolas Gregoire, the Communications Electronics Security
Group (UK) of the GCHQ, Holger Fuhrmannek, Ronald Crane, and Tyson
Smith as the original reporters of these issues.

For technical details regarding these flaws, refer to the Mozilla
security advisories for Thunderbird 38.7.0. 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 38.7.0, which corrects these issues.
After installing the update, Thunderbird must be restarted for the
changes to take effect.

See also :

https://www.redhat.com/security/data/cve/CVE-2016-1952.html
https://www.redhat.com/security/data/cve/CVE-2016-1954.html
https://www.redhat.com/security/data/cve/CVE-2016-1957.html
https://www.redhat.com/security/data/cve/CVE-2016-1960.html
https://www.redhat.com/security/data/cve/CVE-2016-1961.html
https://www.redhat.com/security/data/cve/CVE-2016-1964.html
https://www.redhat.com/security/data/cve/CVE-2016-1966.html
https://www.redhat.com/security/data/cve/CVE-2016-1974.html
https://www.redhat.com/security/data/cve/CVE-2016-1977.html
https://www.redhat.com/security/data/cve/CVE-2016-2790.html
https://www.redhat.com/security/data/cve/CVE-2016-2791.html
https://www.redhat.com/security/data/cve/CVE-2016-2792.html
https://www.redhat.com/security/data/cve/CVE-2016-2793.html
https://www.redhat.com/security/data/cve/CVE-2016-2794.html
https://www.redhat.com/security/data/cve/CVE-2016-2795.html
https://www.redhat.com/security/data/cve/CVE-2016-2796.html
https://www.redhat.com/security/data/cve/CVE-2016-2797.html
https://www.redhat.com/security/data/cve/CVE-2016-2798.html
https://www.redhat.com/security/data/cve/CVE-2016-2799.html
https://www.redhat.com/security/data/cve/CVE-2016-2800.html
https://www.redhat.com/security/data/cve/CVE-2016-2801.html
https://www.redhat.com/security/data/cve/CVE-2016-2802.html
http://www.nessus.org/u?f3138c54
http://rhn.redhat.com/errata/RHSA-2016-0460.html

Solution :

Update the affected thunderbird and / or thunderbird-debuginfo
packages.

Risk factor :

High / CVSS Base Score : 9.3
(CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 7.7
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true