This script is Copyright (C) 2015-2017 Tenable Network Security, Inc.
The remote Red Hat host is missing one or more security updates.
An updated thunderbird package that fixes three security issues is now
available for Red Hat Enterprise Linux 5 and 6.
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.
Two flaws were found in the processing of malformed web content. A web
page containing malicious content could cause Firefox to crash or,
potentially, execute arbitrary code with the privileges of the user
running Firefox. (CVE-2014-8634, CVE-2014-8639)
It was found that the Beacon interface implementation in Thunderbird
did not follow the Cross-Origin Resource Sharing (CORS) specification.
A web page containing malicious content could allow a remote attacker
to conduct a Cross-Site Request Forgery (XSRF) attack. (CVE-2014-8638)
Note: All of the above issues cannot be exploited by a specially
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 Christian Holler, Patrick McManus,
Muneaki Nishimura, and Xiaofeng Zheng as the original reporters of
For technical details regarding these flaws, refer to the Mozilla
security advisories for Thunderbird 31.4.0. 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 31.4.0, which corrects these issues.
After installing the update, Thunderbird must be restarted for the
changes to take effect.
See also :
Update the affected thunderbird and / or thunderbird-debuginfo
Risk factor :
High / CVSS Base Score : 7.5
CVSS Temporal Score : 5.5
Public Exploit Available : false