RHSA-2018:1726 - Security Advisory

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 52.8.0.

Security Fix(es):

• Mozilla: Memory safety bugs fixed in Firefox 60 and Firefox ESR 52.8 (CVE-2018-5150)
• Mozilla: Backport critical security fixes in Skia (CVE-2018-5183)
• Mozilla: Use-after-free with SVG animations and clip paths (CVE-2018-5154)
• Mozilla: Use-after-free with SVG animations and text paths (CVE-2018-5155)
• Mozilla: Integer overflow and out-of-bounds write in Skia (CVE-2018-5159)
• Mozilla: Full plaintext recovery in S/MIME via chosen-ciphertext attack (CVE-2018-5184)
• Mozilla: Hang via malformed headers (CVE-2018-5161)
• Mozilla: Encrypted mail leaks plaintext through src attribute (CVE-2018-5162)
• Mozilla: Lightweight themes can be installed without user interaction (CVE-2018-5168)
• Mozilla: Filename spoofing for external attachments (CVE-2018-5170)
• Mozilla: Buffer overflow during UTF-8 to Unicode string conversion through legacy extension (CVE-2018-5178)
• Mozilla: Leaking plaintext through HTML forms (CVE-2018-5185)

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 CVE-2018-5150, CVE-2018-5154, CVE-2018-5155, CVE-2018-5159, CVE-2018-5168, CVE-2018-5178, and CVE-2018-5183. Upstream acknowledges Christoph Diehl, Randell Jesup, Tyson Smith, Alex Gaynor, Ronald Crane, Julian Hector, Kannan Vijayan, Jason Kratzer, Mozilla Developers, Nils, Ivan Fratric, Wladimir Palant, and Root Object 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
• Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) 6 s390x

Fixes

• BZ - 1576250 - CVE-2018-5150 Mozilla: Memory safety bugs fixed in Firefox 60 and Firefox ESR 52.8
• BZ - 1576255 - CVE-2018-5154 Mozilla: Use-after-free with SVG animations and clip paths
• BZ - 1576257 - CVE-2018-5155 Mozilla: Use-after-free with SVG animations and text paths
• BZ - 1576260 - CVE-2018-5159 Mozilla: Integer overflow and out-of-bounds write in Skia
• BZ - 1576269 - CVE-2018-5168 Mozilla: Lightweight themes can be installed without user interaction
• BZ - 1576278 - CVE-2018-5178 Mozilla: Buffer overflow during UTF-8 to Unicode string conversion through legacy extension
• BZ - 1576283 - CVE-2018-5183 Mozilla: Backport critical security fixes in Skia
• BZ - 1580236 - CVE-2018-5184 Mozilla: Full plaintext recovery in S/MIME via chosen-ciphertext attack
• BZ - 1580237 - CVE-2018-5161 Mozilla: Hang via malformed headers
• BZ - 1580239 - CVE-2018-5162 Mozilla: Encrypted mail leaks plaintext through src attribute
• BZ - 1580240 - CVE-2018-5170 Mozilla: Filename spoofing for external attachments
• BZ - 1580241 - CVE-2018-5185 Mozilla: Leaking plaintext through HTML forms

CVEs

• CVE-2018-5150
• CVE-2018-5154
• CVE-2018-5155
• CVE-2018-5159
• CVE-2018-5161
• CVE-2018-5162
• CVE-2018-5168
• CVE-2018-5170
• CVE-2018-5178
• CVE-2018-5183
• CVE-2018-5184
• CVE-2018-5185

References

• https://access.redhat.com/security/updates/classification/#important