RHSA-2016:0460 - Security Advisory

Topic

An updated thunderbird package that fixes multiple security issues is now
available for Red Hat Enterprise Linux 5, 6, and 7.

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.

Description

Mozilla Thunderbird is a standalone mail and newsgroup client.

Several 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-2016-1952, CVE-2016-1954, CVE-2016-1957, CVE-2016-1960,
CVE-2016-1961, CVE-2016-1974, CVE-2016-1964, CVE-2016-1966)

Multiple security flaws were found in the graphite2 font library shipped
with Thunderbird. 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-2016-1977, CVE-2016-2790,
CVE-2016-2791, CVE-2016-2792, CVE-2016-2793, CVE-2016-2794, CVE-2016-2795,
CVE-2016-2796, CVE-2016-2797, CVE-2016-2798, CVE-2016-2799, CVE-2016-2800,
CVE-2016-2801, CVE-2016-2802)

Red Hat would like to thank the Mozilla project for reporting these issues.
Upstream acknowledges Bob Clary, Christoph Diehl, Christian Holler, Andrew
McCreight, Daniel Holbert, Jesse Ruderman, Randell Jesup, Nicolas
Golubovic, Jose Martinez, Romina Santillan, ca0nguyen, lokihardt, Nicolas
Gregoire, the Communications Electronics Security Group (UK) of the GCHQ,
Holger Fuhrmannek, Ronald Crane, and Tyson Smith as the original reporters
of these issues.

For technical details regarding these flaws, refer to the Mozilla security
advisories for Thunderbird 38.7.0. 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 38.7.0, which corrects these issues. After
installing the update, Thunderbird must be restarted for the changes to
take effect.

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Server 5 x86_64
• Red Hat Enterprise Linux Server 5 i386
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.7 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.6 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.5 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.4 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.3 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.2 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.7 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.7 i386
• Red Hat Enterprise Linux Server - AUS 7.7 x86_64
• Red Hat Enterprise Linux Server - AUS 7.4 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Workstation 5 x86_64
• Red Hat Enterprise Linux Workstation 5 i386
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux Desktop 5 x86_64
• Red Hat Enterprise Linux Desktop 5 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 for Power, big endian - Extended Update Support 6.7 ppc64
• Red Hat Enterprise Linux Server from RHUI 7 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 i386
• Red Hat Enterprise Linux Server from RHUI 5 x86_64
• Red Hat Enterprise Linux Server from RHUI 5 i386
• Red Hat Enterprise Linux Server - AUS 7.6 x86_64
• Red Hat Enterprise Linux Server - AUS 7.3 x86_64
• 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 for IBM z Systems - Extended Update Support 6.7 s390x
• Red Hat Enterprise Linux Server from RHUI 6 x86_64
• Red Hat Enterprise Linux Server - AUS 7.2 x86_64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.7 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.6 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.5 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.4 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.3 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.2 ppc64le
• Red Hat Enterprise Linux Server - TUS 7.7 x86_64
• Red Hat Enterprise Linux Server - TUS 7.6 x86_64
• Red Hat Enterprise Linux Server - TUS 7.3 x86_64
• Red Hat Enterprise Linux Server - TUS 7.2 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.7 ppc64le
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.6 ppc64le
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.4 ppc64le
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.3 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.7 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.6 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.4 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.3 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.2 x86_64

Fixes

• BZ - 1315566 - CVE-2016-1952 Mozilla: Miscellaneous memory safety hazards (rv:38.7) (MFSA 2016-16)
• BZ - 1315569 - CVE-2016-1954 Mozilla: Local file overwriting and potential privilege escalation through CSP reports (MFSA 2016-17)
• BZ - 1315573 - CVE-2016-1957 Mozilla: Memory leak in libstagefright when deleting an array during MP4 processing (MFSA 2016-20)
• BZ - 1315576 - CVE-2016-1960 Mozilla: Use-after-free in HTML5 string parser (MFSA 2016-23)
• BZ - 1315577 - CVE-2016-1961 Mozilla: Use-after-free in SetBody (MFSA 2016-24)
• BZ - 1315774 - CVE-2016-1964 Mozilla: Use-after-free during XML transformations (MFSA 2016-27)
• BZ - 1315778 - CVE-2016-1966 Mozilla: Memory corruption with malicious NPAPI plugin (MFSA 2016-31)
• BZ - 1315785 - CVE-2016-1974 Mozilla: Out-of-bounds read in HTML parser following a failed allocation (MFSA 2016-34)
• BZ - 1315795 - graphite2: multiple font parsing vulnerabilities (Mozilla MFSA 2016-37)

CVEs

• CVE-2016-1966
• CVE-2016-1960
• CVE-2016-1961
• CVE-2016-2798
• CVE-2016-2799
• CVE-2016-1964
• CVE-2016-2794
• CVE-2016-2795
• CVE-2016-2796
• CVE-2016-2797
• CVE-2016-2790
• CVE-2016-2791
• CVE-2016-2792
• CVE-2016-2793
• CVE-2016-1957
• CVE-2016-1954
• CVE-2016-1952
• CVE-2016-1974
• CVE-2016-1977
• CVE-2016-2800
• CVE-2016-2801
• CVE-2016-2802

References

• https://access.redhat.com/security/updates/classification/#important
• https://www.mozilla.org/en-US/security/known-vulnerabilities/thunderbird/#thunderbird38.7