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Old 03-27-2012, 11:05 PM
 
Default Important: libtasn1 security update

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

Synopsis: Important: libtasn1 security update
Advisory ID: RHSA-2012:0427-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-0427.html
Issue date: 2012-03-27
CVE Names: CVE-2012-1569
================================================== ===================

1. Summary:

Updated libtasn1 packages that fix one security issue are now available for
Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having
important 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 Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, 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
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

3. Description:

libtasn1 is a library developed for ASN.1 (Abstract Syntax Notation One)
structures management that includes DER (Distinguished Encoding Rules)
encoding and decoding.

A flaw was found in the way libtasn1 decoded DER data. An attacker could
create carefully-crafted DER encoded input (such as an X.509 certificate)
that, when parsed by an application that uses libtasn1 (such as
applications using GnuTLS), could cause the application to crash.
(CVE-2012-1569)

Red Hat would like to thank Matthew Hall of Mu Dynamics for reporting this
issue.

Users of libtasn1 are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. For the update to take
effect, all applications linked to the libtasn1 library must be restarted,
or the system rebooted.

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/):

804920 - CVE-2012-1569 libtasn1: DER decoding buffer overflow (GNUTLS-SA-2012-3, MU-201202-02)

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/libtasn1-2.3-3.el6_2.1.src.rpm

i386:
libtasn1-2.3-3.el6_2.1.i686.rpm
libtasn1-debuginfo-2.3-3.el6_2.1.i686.rpm

x86_64:
libtasn1-2.3-3.el6_2.1.i686.rpm
libtasn1-2.3-3.el6_2.1.x86_64.rpm
libtasn1-debuginfo-2.3-3.el6_2.1.i686.rpm
libtasn1-debuginfo-2.3-3.el6_2.1.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/libtasn1-2.3-3.el6_2.1.src.rpm

i386:
libtasn1-debuginfo-2.3-3.el6_2.1.i686.rpm
libtasn1-devel-2.3-3.el6_2.1.i686.rpm
libtasn1-tools-2.3-3.el6_2.1.i686.rpm

x86_64:
libtasn1-debuginfo-2.3-3.el6_2.1.i686.rpm
libtasn1-debuginfo-2.3-3.el6_2.1.x86_64.rpm
libtasn1-devel-2.3-3.el6_2.1.i686.rpm
libtasn1-devel-2.3-3.el6_2.1.x86_64.rpm
libtasn1-tools-2.3-3.el6_2.1.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/libtasn1-2.3-3.el6_2.1.src.rpm

x86_64:
libtasn1-2.3-3.el6_2.1.i686.rpm
libtasn1-2.3-3.el6_2.1.x86_64.rpm
libtasn1-debuginfo-2.3-3.el6_2.1.i686.rpm
libtasn1-debuginfo-2.3-3.el6_2.1.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/libtasn1-2.3-3.el6_2.1.src.rpm

x86_64:
libtasn1-debuginfo-2.3-3.el6_2.1.i686.rpm
libtasn1-debuginfo-2.3-3.el6_2.1.x86_64.rpm
libtasn1-devel-2.3-3.el6_2.1.i686.rpm
libtasn1-devel-2.3-3.el6_2.1.x86_64.rpm
libtasn1-tools-2.3-3.el6_2.1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/libtasn1-2.3-3.el6_2.1.src.rpm

i386:
libtasn1-2.3-3.el6_2.1.i686.rpm
libtasn1-debuginfo-2.3-3.el6_2.1.i686.rpm
libtasn1-devel-2.3-3.el6_2.1.i686.rpm

ppc64:
libtasn1-2.3-3.el6_2.1.ppc.rpm
libtasn1-2.3-3.el6_2.1.ppc64.rpm
libtasn1-debuginfo-2.3-3.el6_2.1.ppc.rpm
libtasn1-debuginfo-2.3-3.el6_2.1.ppc64.rpm
libtasn1-devel-2.3-3.el6_2.1.ppc.rpm
libtasn1-devel-2.3-3.el6_2.1.ppc64.rpm

s390x:
libtasn1-2.3-3.el6_2.1.s390.rpm
libtasn1-2.3-3.el6_2.1.s390x.rpm
libtasn1-debuginfo-2.3-3.el6_2.1.s390.rpm
libtasn1-debuginfo-2.3-3.el6_2.1.s390x.rpm
libtasn1-devel-2.3-3.el6_2.1.s390.rpm
libtasn1-devel-2.3-3.el6_2.1.s390x.rpm

x86_64:
libtasn1-2.3-3.el6_2.1.i686.rpm
libtasn1-2.3-3.el6_2.1.x86_64.rpm
libtasn1-debuginfo-2.3-3.el6_2.1.i686.rpm
libtasn1-debuginfo-2.3-3.el6_2.1.x86_64.rpm
libtasn1-devel-2.3-3.el6_2.1.i686.rpm
libtasn1-devel-2.3-3.el6_2.1.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/libtasn1-2.3-3.el6_2.1.src.rpm

i386:
libtasn1-debuginfo-2.3-3.el6_2.1.i686.rpm
libtasn1-tools-2.3-3.el6_2.1.i686.rpm

ppc64:
libtasn1-debuginfo-2.3-3.el6_2.1.ppc64.rpm
libtasn1-tools-2.3-3.el6_2.1.ppc64.rpm

s390x:
libtasn1-debuginfo-2.3-3.el6_2.1.s390x.rpm
libtasn1-tools-2.3-3.el6_2.1.s390x.rpm

x86_64:
libtasn1-debuginfo-2.3-3.el6_2.1.x86_64.rpm
libtasn1-tools-2.3-3.el6_2.1.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/libtasn1-2.3-3.el6_2.1.src.rpm

i386:
libtasn1-2.3-3.el6_2.1.i686.rpm
libtasn1-debuginfo-2.3-3.el6_2.1.i686.rpm
libtasn1-devel-2.3-3.el6_2.1.i686.rpm

x86_64:
libtasn1-2.3-3.el6_2.1.i686.rpm
libtasn1-2.3-3.el6_2.1.x86_64.rpm
libtasn1-debuginfo-2.3-3.el6_2.1.i686.rpm
libtasn1-debuginfo-2.3-3.el6_2.1.x86_64.rpm
libtasn1-devel-2.3-3.el6_2.1.i686.rpm
libtasn1-devel-2.3-3.el6_2.1.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/libtasn1-2.3-3.el6_2.1.src.rpm

i386:
libtasn1-debuginfo-2.3-3.el6_2.1.i686.rpm
libtasn1-tools-2.3-3.el6_2.1.i686.rpm

x86_64:
libtasn1-debuginfo-2.3-3.el6_2.1.x86_64.rpm
libtasn1-tools-2.3-3.el6_2.1.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-2012-1569.html
https://access.redhat.com/security/updates/classification/#important

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.
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