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

Synopsis:          Moderate: libarchive security update
Advisory ID:       RHSA-2011:1507-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2011-1507.html
Issue date:        2011-12-01
CVE Names:         CVE-2011-1777 CVE-2011-1778 
=====================================================================

1. Summary:

Updated libarchive packages that fix two security issues are now available
for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having moderate
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:

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 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 libarchive programming library can create and read several different
streaming archive formats, including GNU tar and cpio. It can also read ISO
9660 CD-ROM images.

Two heap-based buffer overflow flaws were discovered in libarchive. If a
user were tricked into expanding a specially-crafted ISO 9660 CD-ROM image
or tar archive with an application using libarchive, it could cause the
application to crash or, potentially, execute arbitrary code with the
privileges of the user running the application. (CVE-2011-1777,
CVE-2011-1778)

All libarchive users should upgrade to these updated packages, which
contain backported patches to correct these issues. All running
applications using libarchive must be restarted for this update 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/):

705849 - CVE-2010-4666 CVE-2011-1777 CVE-2011-1778 CVE-2011-1779 Libarchive
 multiple security issues

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
libarchive-2.8.3-3.el6_1.src.rpm

i386:
libarchive-2.8.3-3.el6_1.i686.rpm
libarchive-debuginfo-2.8.3-3.el6_1.i686.rpm

x86_64:
libarchive-2.8.3-3.el6_1.i686.rpm
libarchive-2.8.3-3.el6_1.x86_64.rpm
libarchive-debuginfo-2.8.3-3.el6_1.i686.rpm
libarchive-debuginfo-2.8.3-3.el6_1.x86_64.rpm

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

Source:
libarchive-2.8.3-3.el6_1.src.rpm

i386:
libarchive-debuginfo-2.8.3-3.el6_1.i686.rpm
libarchive-devel-2.8.3-3.el6_1.i686.rpm

x86_64:
libarchive-debuginfo-2.8.3-3.el6_1.i686.rpm
libarchive-debuginfo-2.8.3-3.el6_1.x86_64.rpm
libarchive-devel-2.8.3-3.el6_1.i686.rpm
libarchive-devel-2.8.3-3.el6_1.x86_64.rpm

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

Source:
libarchive-2.8.3-3.el6_1.src.rpm

x86_64:
libarchive-2.8.3-3.el6_1.i686.rpm
libarchive-2.8.3-3.el6_1.x86_64.rpm
libarchive-debuginfo-2.8.3-3.el6_1.i686.rpm
libarchive-debuginfo-2.8.3-3.el6_1.x86_64.rpm
libarchive-devel-2.8.3-3.el6_1.i686.rpm
libarchive-devel-2.8.3-3.el6_1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
libarchive-2.8.3-3.el6_1.src.rpm

i386:
libarchive-2.8.3-3.el6_1.i686.rpm
libarchive-debuginfo-2.8.3-3.el6_1.i686.rpm

ppc64:
libarchive-2.8.3-3.el6_1.ppc.rpm
libarchive-2.8.3-3.el6_1.ppc64.rpm
libarchive-debuginfo-2.8.3-3.el6_1.ppc.rpm
libarchive-debuginfo-2.8.3-3.el6_1.ppc64.rpm

s390x:
libarchive-2.8.3-3.el6_1.s390.rpm
libarchive-2.8.3-3.el6_1.s390x.rpm
libarchive-debuginfo-2.8.3-3.el6_1.s390.rpm
libarchive-debuginfo-2.8.3-3.el6_1.s390x.rpm

x86_64:
libarchive-2.8.3-3.el6_1.i686.rpm
libarchive-2.8.3-3.el6_1.x86_64.rpm
libarchive-debuginfo-2.8.3-3.el6_1.i686.rpm
libarchive-debuginfo-2.8.3-3.el6_1.x86_64.rpm

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

Source:
libarchive-2.8.3-3.el6_1.src.rpm

i386:
libarchive-debuginfo-2.8.3-3.el6_1.i686.rpm
libarchive-devel-2.8.3-3.el6_1.i686.rpm

ppc64:
libarchive-debuginfo-2.8.3-3.el6_1.ppc.rpm
libarchive-debuginfo-2.8.3-3.el6_1.ppc64.rpm
libarchive-devel-2.8.3-3.el6_1.ppc.rpm
libarchive-devel-2.8.3-3.el6_1.ppc64.rpm

s390x:
libarchive-debuginfo-2.8.3-3.el6_1.s390.rpm
libarchive-debuginfo-2.8.3-3.el6_1.s390x.rpm
libarchive-devel-2.8.3-3.el6_1.s390.rpm
libarchive-devel-2.8.3-3.el6_1.s390x.rpm

x86_64:
libarchive-debuginfo-2.8.3-3.el6_1.i686.rpm
libarchive-debuginfo-2.8.3-3.el6_1.x86_64.rpm
libarchive-devel-2.8.3-3.el6_1.i686.rpm
libarchive-devel-2.8.3-3.el6_1.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
libarchive-2.8.3-3.el6_1.src.rpm

i386:
libarchive-2.8.3-3.el6_1.i686.rpm
libarchive-debuginfo-2.8.3-3.el6_1.i686.rpm

x86_64:
libarchive-2.8.3-3.el6_1.i686.rpm
libarchive-2.8.3-3.el6_1.x86_64.rpm
libarchive-debuginfo-2.8.3-3.el6_1.i686.rpm
libarchive-debuginfo-2.8.3-3.el6_1.x86_64.rpm

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

Source:
libarchive-2.8.3-3.el6_1.src.rpm

i386:
libarchive-debuginfo-2.8.3-3.el6_1.i686.rpm
libarchive-devel-2.8.3-3.el6_1.i686.rpm

x86_64:
libarchive-debuginfo-2.8.3-3.el6_1.i686.rpm
libarchive-debuginfo-2.8.3-3.el6_1.x86_64.rpm
libarchive-devel-2.8.3-3.el6_1.i686.rpm
libarchive-devel-2.8.3-3.el6_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-2011-1777.html
https://www.redhat.com/security/data/cve/CVE-2011-1778.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 2011 Red Hat, Inc.
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