Articles / Red Hat: Security update fo…

Red Hat: Security update for Mozilla Thunderbird

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. It was found that, after canceling a proxy server’s authentication prompt, the address bar continued to show the requested site’s address. An attacker could use this flaw to conduct phishing attacks by tricking a user into believing they are viewing trusted content.

Updated packages are available from ftp.redhat.com.

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=====================================================================
                  Red Hat Security Advisory

Synopsis:          Critical: thunderbird security update
Advisory ID:       RHSA-2013:0272-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2013-0272.html
Issue date:        2013-02-19
CVE Names:         CVE-2013-0775 CVE-2013-0776 CVE-2013-0780 
                  CVE-2013-0782 CVE-2013-0783 
=====================================================================

1. Summary:

An updated thunderbird package that fixes several 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-2013-0775,
CVE-2013-0780, CVE-2013-0782, CVE-2013-0783)

It was found that, after canceling a proxy server's authentication
prompt, the address bar continued to show the requested site's address. An
attacker could use this flaw to conduct phishing attacks by tricking a
user into believing they are viewing trusted content. (CVE-2013-0776)

Red Hat would like to thank the Mozilla project for reporting these issues.
Upstream acknowledges Nils, Abhishek Arya, Olli Pettay, Christoph Diehl,
Gary Kwong, Jesse Ruderman, Andrew McCreight, Joe Drew, Wayne Mery, and
Michal Zalewski as the original reporters of these issues.

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

Important: This erratum upgrades Thunderbird to version 17.0.3 ESR.
Thunderbird 17 is not completely backwards-compatible with all Mozilla
add-ons and Thunderbird plug-ins that worked with Thunderbird 10.0.
Thunderbird 17 checks compatibility on first-launch, and, depending on the
individual configuration and the installed add-ons and plug-ins, may
disable said Add-ons and plug-ins, or attempt to check for updates and
upgrade them. Add-ons and plug-ins may have to be manually updated.

All Thunderbird users should upgrade to this updated package, which
contains Thunderbird version 17.0.3 ESR, which corrects these issues. After
installing the update, Thunderbird must be restarted for the changes to
take effect.

4. Solution:

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

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258

5. Bugs fixed (http://bugzilla.redhat.com/):

911836 - CVE-2013-0783 Mozilla: Miscellaneous memory safety hazards (rv:17.0.3) (MFSA 2013-21)
911843 - CVE-2013-0775 Mozilla: Use-after-free in nsImageLoadingContent (MFSA 2013-26)
911844 - CVE-2013-0776 Mozilla: Phishing on HTTPS connection through malicious proxy (MFSA 2013-27)
911865 - CVE-2013-0780 CVE-2013-0782 Mozilla: Use-after-free, out of bounds read, and buffer overflow issues found using Address Sanitizer (MFSA 2013-28)

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/thunderbird-17.0.3-1.el5_9.src.rpm

i386:
thunderbird-17.0.3-1.el5_9.i386.rpm
thunderbird-debuginfo-17.0.3-1.el5_9.i386.rpm

x86_64:
thunderbird-17.0.3-1.el5_9.x86_64.rpm
thunderbird-debuginfo-17.0.3-1.el5_9.x86_64.rpm

RHEL Optional Productivity Applications (v. 5 server) :

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/thunderbird-17.0.3-1.el5_9.src.rpm

i386:
thunderbird-17.0.3-1.el5_9.i386.rpm
thunderbird-debuginfo-17.0.3-1.el5_9.i386.rpm

x86_64:
thunderbird-17.0.3-1.el5_9.x86_64.rpm
thunderbird-debuginfo-17.0.3-1.el5_9.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/thunderbird-17.0.3-1.el6_3.src.rpm

i386:
thunderbird-17.0.3-1.el6_3.i686.rpm
thunderbird-debuginfo-17.0.3-1.el6_3.i686.rpm

x86_64:
thunderbird-17.0.3-1.el6_3.x86_64.rpm
thunderbird-debuginfo-17.0.3-1.el6_3.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/thunderbird-17.0.3-1.el6_3.src.rpm

i386:
thunderbird-17.0.3-1.el6_3.i686.rpm
thunderbird-debuginfo-17.0.3-1.el6_3.i686.rpm

ppc64:
thunderbird-17.0.3-1.el6_3.ppc64.rpm
thunderbird-debuginfo-17.0.3-1.el6_3.ppc64.rpm

s390x:
thunderbird-17.0.3-1.el6_3.s390x.rpm
thunderbird-debuginfo-17.0.3-1.el6_3.s390x.rpm

x86_64:
thunderbird-17.0.3-1.el6_3.x86_64.rpm
thunderbird-debuginfo-17.0.3-1.el6_3.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/thunderbird-17.0.3-1.el6_3.src.rpm

i386:
thunderbird-17.0.3-1.el6_3.i686.rpm
thunderbird-debuginfo-17.0.3-1.el6_3.i686.rpm

x86_64:
thunderbird-17.0.3-1.el6_3.x86_64.rpm
thunderbird-debuginfo-17.0.3-1.el6_3.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2013-0775.html
https://www.redhat.com/security/data/cve/CVE-2013-0776.html
https://www.redhat.com/security/data/cve/CVE-2013-0780.html
https://www.redhat.com/security/data/cve/CVE-2013-0782.html
https://www.redhat.com/security/data/cve/CVE-2013-0783.html
https://access.redhat.com/security/updates/classification/#critical

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2013 Red Hat, Inc.
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