drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Pufferüberlauf in Mozilla Thunderbird
Name: |
Pufferüberlauf in Mozilla Thunderbird |
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ID: |
RHSA-2012:0140-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Do, 16. Februar 2012, 22:34 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3026 |
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Applikationen: |
Mozilla Thunderbird |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
===================================================================== Red Hat Security Advisory
Synopsis: Critical: thunderbird security update Advisory ID: RHSA-2012:0140-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-0140.html Issue date: 2012-02-16 CVE Names: CVE-2011-3026 =====================================================================
1. Summary:
An updated thunderbird package that fixes one security issue is now available for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having critical security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
2. Relevant releases/architectures:
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.
A heap-based buffer overflow flaw was found in the way Thunderbird handled PNG (Portable Network Graphics) images. An HTML mail message or remote content containing a specially-crafted PNG image could cause Thunderbird to crash or, possibly, execute arbitrary code with the privileges of the user running Thunderbird. (CVE-2011-3026)
All Thunderbird users should upgrade to this updated package, which corrects this issue. 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/kb/docs/DOC-11259
5. Bugs fixed (http://bugzilla.redhat.com/):
790737 - CVE-2011-3026 libpng: Heap-buffer-overflow in png_decompress_chunk
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Source: thunderbird-3.1.18-2.el6_2.src.rpm
i386: thunderbird-3.1.18-2.el6_2.i686.rpm thunderbird-debuginfo-3.1.18-2.el6_2.i686.rpm
x86_64: thunderbird-3.1.18-2.el6_2.x86_64.rpm thunderbird-debuginfo-3.1.18-2.el6_2.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
Source: thunderbird-3.1.18-2.el6_2.src.rpm
i386: thunderbird-3.1.18-2.el6_2.i686.rpm thunderbird-debuginfo-3.1.18-2.el6_2.i686.rpm
ppc64: thunderbird-3.1.18-2.el6_2.ppc64.rpm thunderbird-debuginfo-3.1.18-2.el6_2.ppc64.rpm
s390x: thunderbird-3.1.18-2.el6_2.s390x.rpm thunderbird-debuginfo-3.1.18-2.el6_2.s390x.rpm
x86_64: thunderbird-3.1.18-2.el6_2.x86_64.rpm thunderbird-debuginfo-3.1.18-2.el6_2.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source: thunderbird-3.1.18-2.el6_2.src.rpm
i386: thunderbird-3.1.18-2.el6_2.i686.rpm thunderbird-debuginfo-3.1.18-2.el6_2.i686.rpm
x86_64: thunderbird-3.1.18-2.el6_2.x86_64.rpm thunderbird-debuginfo-3.1.18-2.el6_2.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-2011-3026.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 2012 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux)
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