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

Synopsis:          Moderate: libsndfile security update
Advisory ID:       RHSA-2011:1084-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2011-1084.html
Issue date:        2011-07-20
CVE Names:         CVE-2011-2696 
=====================================================================

1. Summary:

Updated libsndfile 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 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 libsndfile packages provide a library for reading and writing sound
files.

An integer overflow flaw, leading to a heap-based buffer overflow, was
found in the way the libsndfile library processed certain Ensoniq PARIS
Audio Format (PAF) audio files. An attacker could create a
specially-crafted PAF file that, when opened, could cause an application
using libsndfile to crash or, potentially, execute arbitrary code with the
privileges of the user running the application. (CVE-2011-2696)

Users of libsndfile are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. All running applications
using libsndfile must be restarted for the 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/):

721234 - CVE-2011-2696 libsndfile: Application crash due integer overflow by processing certain PAF audio files

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/libsndfile-1.0.20-3.el6_1.1.src.rpm

i386:
libsndfile-1.0.20-3.el6_1.1.i686.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.i686.rpm

x86_64:
libsndfile-1.0.20-3.el6_1.1.i686.rpm
libsndfile-1.0.20-3.el6_1.1.x86_64.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.i686.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/libsndfile-1.0.20-3.el6_1.1.src.rpm

i386:
libsndfile-debuginfo-1.0.20-3.el6_1.1.i686.rpm
libsndfile-devel-1.0.20-3.el6_1.1.i686.rpm

x86_64:
libsndfile-debuginfo-1.0.20-3.el6_1.1.i686.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.x86_64.rpm
libsndfile-devel-1.0.20-3.el6_1.1.i686.rpm
libsndfile-devel-1.0.20-3.el6_1.1.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/libsndfile-1.0.20-3.el6_1.1.src.rpm

x86_64:
libsndfile-1.0.20-3.el6_1.1.i686.rpm
libsndfile-1.0.20-3.el6_1.1.x86_64.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.i686.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.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/libsndfile-1.0.20-3.el6_1.1.src.rpm

x86_64:
libsndfile-debuginfo-1.0.20-3.el6_1.1.i686.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.x86_64.rpm
libsndfile-devel-1.0.20-3.el6_1.1.i686.rpm
libsndfile-devel-1.0.20-3.el6_1.1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/libsndfile-1.0.20-3.el6_1.1.src.rpm

i386:
libsndfile-1.0.20-3.el6_1.1.i686.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.i686.rpm

ppc64:
libsndfile-1.0.20-3.el6_1.1.ppc.rpm
libsndfile-1.0.20-3.el6_1.1.ppc64.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.ppc.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.ppc64.rpm

s390x:
libsndfile-1.0.20-3.el6_1.1.s390.rpm
libsndfile-1.0.20-3.el6_1.1.s390x.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.s390.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.s390x.rpm

x86_64:
libsndfile-1.0.20-3.el6_1.1.i686.rpm
libsndfile-1.0.20-3.el6_1.1.x86_64.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.i686.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/libsndfile-1.0.20-3.el6_1.1.src.rpm

i386:
libsndfile-debuginfo-1.0.20-3.el6_1.1.i686.rpm
libsndfile-devel-1.0.20-3.el6_1.1.i686.rpm

ppc64:
libsndfile-debuginfo-1.0.20-3.el6_1.1.ppc.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.ppc64.rpm
libsndfile-devel-1.0.20-3.el6_1.1.ppc.rpm
libsndfile-devel-1.0.20-3.el6_1.1.ppc64.rpm

s390x:
libsndfile-debuginfo-1.0.20-3.el6_1.1.s390.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.s390x.rpm
libsndfile-devel-1.0.20-3.el6_1.1.s390.rpm
libsndfile-devel-1.0.20-3.el6_1.1.s390x.rpm

x86_64:
libsndfile-debuginfo-1.0.20-3.el6_1.1.i686.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.x86_64.rpm
libsndfile-devel-1.0.20-3.el6_1.1.i686.rpm
libsndfile-devel-1.0.20-3.el6_1.1.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/libsndfile-1.0.20-3.el6_1.1.src.rpm

i386:
libsndfile-1.0.20-3.el6_1.1.i686.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.i686.rpm

x86_64:
libsndfile-1.0.20-3.el6_1.1.i686.rpm
libsndfile-1.0.20-3.el6_1.1.x86_64.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.i686.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/libsndfile-1.0.20-3.el6_1.1.src.rpm

i386:
libsndfile-debuginfo-1.0.20-3.el6_1.1.i686.rpm
libsndfile-devel-1.0.20-3.el6_1.1.i686.rpm

x86_64:
libsndfile-debuginfo-1.0.20-3.el6_1.1.i686.rpm
libsndfile-debuginfo-1.0.20-3.el6_1.1.x86_64.rpm
libsndfile-devel-1.0.20-3.el6_1.1.i686.rpm
libsndfile-devel-1.0.20-3.el6_1.1.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-2011-2696.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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