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Red Hat: RHSA-2016-0460-01 Important: Thunderbird Exploits and Risks

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Calendar Grey March 16, 2016
Scroller Redhat
Essential patch released for Thunderbird on Red Hat Enterprise Linux fixes several vulnerabilities. Upgrade immediately!
An updated thunderbird package that fixes multiple security issues is now available for Red Hat Enterprise Linux 5, 6, and 7

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

Summary

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 Grégoire, the Communications Electronics Security Group (UK) of the GCHQ, Holger Fuhrmannek, Ronald Crane, and Tyson Smith as the original reportersof 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.

References

https://access.redhat.com/security/cve/CVE-2016-1952 https://access.redhat.com/security/cve/CVE-2016-1954 https://access.redhat.com/security/cve/CVE-2016-1957 https://access.redhat.com/security/cve/CVE-2016-1960 https://access.redhat.com/security/cve/CVE-2016-1961 https://access.redhat.com/security/cve/CVE-2016-1964 https://access.redhat.com/security/cve/CVE-2016-1966 https://access.redhat.com/security/cve/CVE-2016-1974 https://access.redhat.com/security/cve/CVE-2016-1977 https://access.redhat.com/security/cve/CVE-2016-2790 https://access.redhat.com/security/cve/CVE-2016-2791 https://access.redhat.com/security/cve/CVE-2016-2792 https://access.redhat.com/security/cve/CVE-2016-2793 https://access.redhat.com/security/cve/CVE-2016-2794 https://access.redhat.com/security/cve/CVE-2016-2795 https://access.redhat.com/security/cve/CVE-2016-2796 https://access.redhat.com/security/cve/CVE-2016-2797 https://access.redhat.com/security/cve/CVE-2016-2798 https://access.redhat.com/security/cve/CVE-2016-2799 https://access.redhat.com/security/cve/CVE-2016-2800 https://access.redhat.com/security/cve/CVE-2016-2801 https://access.redhat.com/security/cve/CVE-2016-2802 https://access.redhat.com/security/updates/classification#important Read the Full Advisory

Package List

Red Hat Enterprise Linux Desktop (v. 5 client):
Source: thunderbird-38.7.0-1.el5_11.src.rpm
i386: thunderbird-38.7.0-1.el5_11.i386.rpm thunderbird-debuginfo-38.7.0-1.el5_11.i386.rpm
x86_64: thunderbird-38.7.0-1.el5_11.x86_64.rpm thunderbird-debuginfo-38.7.0-1.el5_11.x86_64.rpm
Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server):
Source: thunderbird-38.7.0-1.el5_11.src.rpm
i386: thunderbird-38.7.0-1.el5_11.i386.rpm thunderbird-debuginfo-38.7.0-1.el5_11.i386.rpm
x86_64: thunderbird-38.7.0-1.el5_11.x86_64.rpm thunderbird-debuginfo-38.7.0-1.el5_11.x86_64.rpm
Red Hat Enterprise Linux Desktop (v. 6):
Source: thunderbird-38.7.0-1.el6_7.src.rpm
i386: thunderbird-38.7.0-1.el6_7.i686.rpm thunderbird-debuginfo-38.7.0-1.el6_7.i686.rpm
x86_64: thunderbird-38.7.0-1.el6_7.x86_64.rpm thunderbird-debuginfo-38.7.0-1.el6_7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
Source: thunderbird-38.7.0-1.el6_7.src.rpm
i386: thunderbird-38.7.0-1.el6_7.i686.rpm thunderbird-debuginfo-38.7.0-1.el6_7.i686.rpm
ppc64: thunderbird-38.7.0-1.el6_7.ppc64.rpm thunderbird-debuginfo-38.7.0-1.el6_7.ppc64.rpm
s390x: thunderbird-38.7.0-1.el6_7.s390x.rpm thunderbird-debuginfo-38.7.0-1.el6_7.s390x.rpm
x86_64: thunderbird-38.7.0-1.el6_7.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2016:0460-01
Product: Red Hat Enterprise Linux
Issue date: 2016-03-16

Topic

An updated thunderbird package that fixes multiple security issues is nowavailable for Red Hat Enterprise Linux 5, 6, and 7.Red Hat Product Security has rated this update as having Important securityimpact. Common Vulnerability Scoring System (CVSS) base scores, which givedetailed severity ratings, are available for each vulnerability from theCVE links in the References section.

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64

Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) - i386, x86_64

Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - ppc64le, x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Bugs Fixed

1315566 - CVE-2016-1952 Mozilla: Miscellaneous memory safety hazards (rv:38.7) (MFSA 2016-16)

1315569 - CVE-2016-1954 Mozilla: Local file overwriting and potential privilege escalation through CSP reports (MFSA 2016-17)

1315573 - CVE-2016-1957 Mozilla: Memory leak in libstagefright when deleting an array during MP4 processing (MFSA 2016-20)

1315576 - CVE-2016-1960 Mozilla: Use-after-free in HTML5 string parser (MFSA 2016-23)

1315577 - CVE-2016-1961 Mozilla: Use-after-free in SetBody (MFSA 2016-24)

1315774 - CVE-2016-1964 Mozilla: Use-after-free during XML transformations (MFSA 2016-27)

1315778 - CVE-2016-1966 Mozilla: Memory corruption with malicious NPAPI plugin (MFSA 2016-31)

1315785 - CVE-2016-1974 Mozilla: Out-of-bounds read in HTML parser following a failed allocation (MFSA 2016-34)

1315795 - graphite2: multiple font parsing vulnerabilities (Mozilla MFSA 2016-37)

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