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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: thunderbird security update
Advisory ID:       RHSA-2017:2885-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2017:2885
Issue date:        2017-10-11
CVE Names:         CVE-2017-7793 CVE-2017-7810 CVE-2017-7814 
                   CVE-2017-7818 CVE-2017-7819 CVE-2017-7823 
                   CVE-2017-7824 
=====================================================================

1. Summary:

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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - aarch64, 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 52.4.0.

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-2017-7810, CVE-2017-7793, CVE-2017-7818, CVE-2017-7819,
CVE-2017-7824, CVE-2017-7814, CVE-2017-7823)

Red Hat would like to thank the Mozilla project for reporting these issues.
Upstream acknowledges Christoph Diehl, Jan de Mooij, Jason Kratzer, Randell
Jesup, Tom Ritter, Tyson Smith, Sebastian Hengst, Abhishek Arya, Nils,
Omair, Andre Weissflog, FranASSois Marier, and Jun Kokatsu 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/):

1496649 - CVE-2017-7793 Mozilla: Use-after-free with Fetch API (MFSA 2017-22)
1496651 - CVE-2017-7810 Mozilla: Memory safety bugs fixed in Firefox 56 and Firefox ESR 52.4 (MFSA 2017-22)
1496652 - CVE-2017-7814 Mozilla: Blob and data URLs bypass phishing and malware protection warnings (MFSA 2017-22)
1496653 - CVE-2017-7818 Mozilla: Use-after-free during ARIA array manipulation (MFSA 2017-22)
1496654 - CVE-2017-7819 Mozilla: Use-after-free while resizing images in design mode (MFSA 2017-22)
1496655 - CVE-2017-7823 Mozilla: CSP sandbox directive did not create a unique origin (MFSA 2017-22)
1496656 - CVE-2017-7824 Mozilla: Buffer overflow when drawing and validating elements with ANGLE (MFSA 2017-22)

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
thunderbird-52.4.0-2.el6_9.src.rpm

i386:
thunderbird-52.4.0-2.el6_9.i686.rpm
thunderbird-debuginfo-52.4.0-2.el6_9.i686.rpm

x86_64:
thunderbird-52.4.0-2.el6_9.x86_64.rpm
thunderbird-debuginfo-52.4.0-2.el6_9.x86_64.rpm

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

Source:
thunderbird-52.4.0-2.el6_9.src.rpm

i386:
thunderbird-52.4.0-2.el6_9.i686.rpm
thunderbird-debuginfo-52.4.0-2.el6_9.i686.rpm

ppc64:
thunderbird-52.4.0-2.el6_9.ppc64.rpm
thunderbird-debuginfo-52.4.0-2.el6_9.ppc64.rpm

s390x:
thunderbird-52.4.0-2.el6_9.s390x.rpm
thunderbird-debuginfo-52.4.0-2.el6_9.s390x.rpm

x86_64:
thunderbird-52.4.0-2.el6_9.x86_64.rpm
thunderbird-debuginfo-52.4.0-2.el6_9.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
thunderbird-52.4.0-2.el6_9.src.rpm

i386:
thunderbird-52.4.0-2.el6_9.i686.rpm
thunderbird-debuginfo-52.4.0-2.el6_9.i686.rpm

x86_64:
thunderbird-52.4.0-2.el6_9.x86_64.rpm
thunderbird-debuginfo-52.4.0-2.el6_9.x86_64.rpm

Red Hat Enterprise Linux Client (v. 7):

Source:
thunderbird-52.4.0-2.el7_4.src.rpm

x86_64:
thunderbird-52.4.0-2.el7_4.x86_64.rpm
thunderbird-debuginfo-52.4.0-2.el7_4.x86_64.rpm

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

Source:
thunderbird-52.4.0-2.el7_4.src.rpm

aarch64:
thunderbird-52.4.0-2.el7_4.aarch64.rpm
thunderbird-debuginfo-52.4.0-2.el7_4.aarch64.rpm

ppc64le:
thunderbird-52.4.0-2.el7_4.ppc64le.rpm
thunderbird-debuginfo-52.4.0-2.el7_4.ppc64le.rpm

x86_64:
thunderbird-52.4.0-2.el7_4.x86_64.rpm
thunderbird-debuginfo-52.4.0-2.el7_4.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
thunderbird-52.4.0-2.el7_4.src.rpm

x86_64:
thunderbird-52.4.0-2.el7_4.x86_64.rpm
thunderbird-debuginfo-52.4.0-2.el7_4.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-2017-7793
https://access.redhat.com/security/cve/CVE-2017-7810
https://access.redhat.com/security/cve/CVE-2017-7814
https://access.redhat.com/security/cve/CVE-2017-7818
https://access.redhat.com/security/cve/CVE-2017-7819
https://access.redhat.com/security/cve/CVE-2017-7823
https://access.redhat.com/security/cve/CVE-2017-7824
https://access.redhat.com/security/updates/classification/#important
https://www.mozilla.org/en-US/security/advisories/mfsa2017-23/

8. Contact:

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

Copyright 2017 Red Hat, Inc.
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