Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 6.

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.

Description

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 60.2.1.

Security Fix(es):

• Mozilla: Memory safety bugs fixed in Firefox 62 and Firefox ESR 60.2 (CVE-2018-12376)
• Mozilla: Use-after-free in driver timers (CVE-2018-12377)
• Mozilla: Use-after-free in IndexedDB (CVE-2018-12378)
• Mozilla: Proxy bypass using automount and autofs (CVE-2017-16541)
• Mozilla: Out-of-bounds write with malicious MAR file (CVE-2018-12379)
• Mozilla: Crash in TransportSecurityInfo due to cached data (CVE-2018-12385)
• Mozilla: Setting a master password post-Firefox 58 does not delete unencrypted previously stored passwords (CVE-2018-12383)

Note: All of the above issues cannot be exploited in Thunderbird by a specially crafted HTML mail, as JavaScript is disabled for mail messages and cannot be enabled. They could be exploited another way in Thunderbird, for example, when viewing the remote content of an RSS feed.

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Alex Gaynor, Boris Zbarsky, Christoph Diehl, Christian Holler, Jason Kratzer, Jed Davis, Tyson Smith, Bogdan Tara, Karl Tomlinson, Mats Palmgren, Nika Layzell, Ted Campbell, Nils, Zhanjia Song, Holger Fuhrmannek, Philipp, and Jurgen Gaeremyn as the original reporters.

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.

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for IBM z Systems 6 s390x
• Red Hat Enterprise Linux for Power, big endian 6 ppc64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x

Fixes

• BZ - 1510816 - CVE-2017-16541 Mozilla: Proxy bypass using automount and autofs
• BZ - 1625525 - CVE-2018-12376 Mozilla: Memory safety bugs fixed in Firefox 62 and Firefox ESR 60.2
• BZ - 1625526 - CVE-2018-12377 Mozilla: Use-after-free in driver timers
• BZ - 1625527 - CVE-2018-12378 Mozilla: Use-after-free in IndexedDB
• BZ - 1625528 - CVE-2018-12379 Mozilla: Out-of-bounds write with malicious MAR file
• BZ - 1625531 - CVE-2018-12383 Mozilla: Setting a master password post-Firefox 58 does not delete unencrypted previously stored passwords
• BZ - 1632062 - CVE-2018-12385 Mozilla: Crash in TransportSecurityInfo due to cached data

CVEs

• CVE-2017-16541
• CVE-2018-12376
• CVE-2018-12377
• CVE-2018-12378
• CVE-2018-12379
• CVE-2018-12383
• CVE-2018-12385
• CVE-2018-18499

References

• https://access.redhat.com/security/updates/classification/#important
• https://www.mozilla.org/en-US/security/advisories/mfsa2018-25/