U radu programskog paketa Mozilla Thunderbird uočen je niz sigurnosnih propusta. Udaljenim napadačima omogućuju izvođenje napada uskraćivanjem usluge, pokretanje proizvoljnog programskog koda i otkrivanje osjetljivih informacija.

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                   Red Hat Security Advisory

Synopsis:          Critical: thunderbird security update
Advisory ID:       RHSA-2012:1211-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2012-1211.html
Issue date:        2012-08-29
CVE Names:         CVE-2012-1970 CVE-2012-1972 CVE-2012-1973 
                   CVE-2012-1974 CVE-2012-1975 CVE-2012-1976 
                   CVE-2012-3956 CVE-2012-3957 CVE-2012-3958 
                   CVE-2012-3959 CVE-2012-3960 CVE-2012-3961 
                   CVE-2012-3962 CVE-2012-3963 CVE-2012-3964 
                   CVE-2012-3966 CVE-2012-3967 CVE-2012-3968 
                   CVE-2012-3969 CVE-2012-3970 CVE-2012-3972 
                   CVE-2012-3978 CVE-2012-3980 
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1. Summary:

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

The Red Hat Security Response Team has rated this update as having critical
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.

2. Relevant releases/architectures:

RHEL Optional Productivity Applications (v. 5 server) - i386, 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 Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

3. Description:

Mozilla Thunderbird is a standalone mail and newsgroup client.

Several flaws were found in the processing of malformed content. Malicious
content could cause Thunderbird to crash or, potentially, execute arbitrary
code with the privileges of the user running Thunderbird. (CVE-2012-1970,
CVE-2012-1972, CVE-2012-1973, CVE-2012-1974, CVE-2012-1975, CVE-2012-1976,
CVE-2012-3956, CVE-2012-3957, CVE-2012-3958, CVE-2012-3959, CVE-2012-3960,
CVE-2012-3961, CVE-2012-3962, CVE-2012-3963, CVE-2012-3964)

Content containing a malicious Scalable Vector Graphics (SVG) image file
could cause Thunderbird to crash or, potentially, execute arbitrary code
with the privileges of the user running Thunderbird. (CVE-2012-3969,
CVE-2012-3970)

Two flaws were found in the way Thunderbird rendered certain images using
WebGL. Malicious content could cause Thunderbird to crash or, under certain
conditions, possibly execute arbitrary code with the privileges of the user
running Thunderbird. (CVE-2012-3967, CVE-2012-3968)

A flaw was found in the way Thunderbird decoded embedded bitmap images in
Icon Format (ICO) files. Content containing a malicious ICO file could
cause Thunderbird to crash or, under certain conditions, possibly execute
arbitrary code with the privileges of the user running Thunderbird.
(CVE-2012-3966)

A flaw was found in the way the "eval" command was handled by the
Thunderbird Error Console. Running "eval" in the Error Console while
viewing malicious content could possibly cause Thunderbird to execute
arbitrary code with the privileges of the user running Thunderbird.
(CVE-2012-3980)

An out-of-bounds memory read flaw was found in the way Thunderbird used the
format-number feature of XSLT (Extensible Stylesheet Language
Transformations). Malicious content could possibly cause an information
leak, or cause Thunderbird to crash. (CVE-2012-3972)

A flaw was found in the location object implementation in Thunderbird.
Malicious content could use this flaw to possibly allow restricted content
to be loaded. (CVE-2012-3978)

Red Hat would like to thank the Mozilla project for reporting these issues.
Upstream acknowledges Gary Kwong, Christian Holler, Jesse Ruderman, John
Schoenick, Vladimir Vukicevic, Daniel Holbert, Abhishek Arya, FrÄ