RHEL 6 / 7 : thunderbird (RHSA-2017:2534)

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


Synopsis :

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

Description :

An update for thunderbird is now available for 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.

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 52.3.0.

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-2017-7779,
CVE-2017-7800, CVE-2017-7801, CVE-2017-7753, CVE-2017-7784,
CVE-2017-7785, CVE-2017-7786, CVE-2017-7787, CVE-2017-7792,
CVE-2017-7802, CVE-2017-7807, CVE-2017-7809, CVE-2017-7791,
CVE-2017-7803)

Red Hat would like to thank the Mozilla project for reporting these
issues. Upstream acknowledges Mozilla developers and community, Looben
Yang, Nils, SkyLined, Oliver Wagner, Fraser Tweedale, Mathias
Karlsson, Jose Maria Acuna, and Rhys Enniks as the original
reporters.

See also :

https://www.mozilla.org/en-US/security/advisories/mfsa2017-20/
http://rhn.redhat.com/errata/RHSA-2017-2534.html
https://www.redhat.com/security/data/cve/CVE-2017-7753.html
https://www.redhat.com/security/data/cve/CVE-2017-7779.html
https://www.redhat.com/security/data/cve/CVE-2017-7784.html
https://www.redhat.com/security/data/cve/CVE-2017-7785.html
https://www.redhat.com/security/data/cve/CVE-2017-7786.html
https://www.redhat.com/security/data/cve/CVE-2017-7787.html
https://www.redhat.com/security/data/cve/CVE-2017-7791.html
https://www.redhat.com/security/data/cve/CVE-2017-7792.html
https://www.redhat.com/security/data/cve/CVE-2017-7800.html
https://www.redhat.com/security/data/cve/CVE-2017-7801.html
https://www.redhat.com/security/data/cve/CVE-2017-7802.html
https://www.redhat.com/security/data/cve/CVE-2017-7803.html
https://www.redhat.com/security/data/cve/CVE-2017-7807.html
https://www.redhat.com/security/data/cve/CVE-2017-7809.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 : 6.9
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

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