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

Synopsis:          Moderate: libtar security update
Advisory ID:       RHSA-2013:1418-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2013-1418.html
Issue date:        2013-10-10
Keywords:          libtar
CVE Names:         CVE-2013-4397 
=====================================================================

1. Summary:

An updated libtar 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 moderate
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:

The libtar package contains a C library for manipulating tar archives. The
library supports both the strict POSIX tar format and many of the commonly
used GNU extensions.

Two heap-based buffer overflow flaws were found in the way libtar handled
certain archives. If a user were tricked into expanding a specially-crafted
archive, it could cause the libtar executable or an application using
libtar to crash or, potentially, execute arbitrary code. (CVE-2013-4397)

Note: This issue only affected 32-bit builds of libtar.

Red Hat would like to thank Timo Warns for reporting this issue.

All libtar users are advised to upgrade to this updated package, which
contains a backported patch to correct this issue.

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/site/articles/11258

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

1014492 - CVE-2013-4397 libtar: Heap-based buffer overflows by expanding a
 specially-crafted archive

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
libtar-1.2.11-17.el6_4.1.src.rpm

i386:
libtar-1.2.11-17.el6_4.1.i686.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.i686.rpm

x86_64:
libtar-1.2.11-17.el6_4.1.x86_64.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.x86_64.rpm

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

Source:
libtar-1.2.11-17.el6_4.1.src.rpm

i386:
libtar-debuginfo-1.2.11-17.el6_4.1.i686.rpm
libtar-devel-1.2.11-17.el6_4.1.i686.rpm

x86_64:
libtar-1.2.11-17.el6_4.1.i686.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.i686.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.x86_64.rpm
libtar-devel-1.2.11-17.el6_4.1.i686.rpm
libtar-devel-1.2.11-17.el6_4.1.x86_64.rpm

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

Source:
libtar-1.2.11-17.el6_4.1.src.rpm

x86_64:
libtar-1.2.11-17.el6_4.1.x86_64.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.x86_64.rpm

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

Source:
libtar-1.2.11-17.el6_4.1.src.rpm

x86_64:
libtar-1.2.11-17.el6_4.1.i686.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.i686.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.x86_64.rpm
libtar-devel-1.2.11-17.el6_4.1.i686.rpm
libtar-devel-1.2.11-17.el6_4.1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
libtar-1.2.11-17.el6_4.1.src.rpm

i386:
libtar-1.2.11-17.el6_4.1.i686.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.i686.rpm

ppc64:
libtar-1.2.11-17.el6_4.1.ppc64.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.ppc64.rpm

s390x:
libtar-1.2.11-17.el6_4.1.s390x.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.s390x.rpm

x86_64:
libtar-1.2.11-17.el6_4.1.x86_64.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.x86_64.rpm

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

Source:
libtar-1.2.11-17.el6_4.1.src.rpm

i386:
libtar-debuginfo-1.2.11-17.el6_4.1.i686.rpm
libtar-devel-1.2.11-17.el6_4.1.i686.rpm

ppc64:
libtar-1.2.11-17.el6_4.1.ppc.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.ppc.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.ppc64.rpm
libtar-devel-1.2.11-17.el6_4.1.ppc.rpm
libtar-devel-1.2.11-17.el6_4.1.ppc64.rpm

s390x:
libtar-1.2.11-17.el6_4.1.s390.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.s390.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.s390x.rpm
libtar-devel-1.2.11-17.el6_4.1.s390.rpm
libtar-devel-1.2.11-17.el6_4.1.s390x.rpm

x86_64:
libtar-1.2.11-17.el6_4.1.i686.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.i686.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.x86_64.rpm
libtar-devel-1.2.11-17.el6_4.1.i686.rpm
libtar-devel-1.2.11-17.el6_4.1.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
libtar-1.2.11-17.el6_4.1.src.rpm

i386:
libtar-1.2.11-17.el6_4.1.i686.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.i686.rpm

x86_64:
libtar-1.2.11-17.el6_4.1.x86_64.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.x86_64.rpm

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

Source:
libtar-1.2.11-17.el6_4.1.src.rpm

i386:
libtar-debuginfo-1.2.11-17.el6_4.1.i686.rpm
libtar-devel-1.2.11-17.el6_4.1.i686.rpm

x86_64:
libtar-1.2.11-17.el6_4.1.i686.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.i686.rpm
libtar-debuginfo-1.2.11-17.el6_4.1.x86_64.rpm
libtar-devel-1.2.11-17.el6_4.1.i686.rpm
libtar-devel-1.2.11-17.el6_4.1.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-2013-4397.html
https://access.redhat.com/security/updates/classification/#moderate

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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