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

Synopsis:          Important: gnutls security update
Advisory ID:       RHSA-2014:0595-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2014-0595.html
Issue date:        2014-06-03
CVE Names:         CVE-2014-3466 
=====================================================================

1. Summary:

Updated gnutls 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:

The GnuTLS library provides support for cryptographic algorithms and for
protocols such as Transport Layer Security (TLS).

A flaw was found in the way GnuTLS parsed session IDs from ServerHello
messages of the TLS/SSL handshake. A malicious server could use this flaw
to send an excessively long session ID value, which would trigger a buffer
overflow in a connecting TLS/SSL client application using GnuTLS, causing
the client application to crash or, possibly, execute arbitrary code.
(CVE-2014-3466)

Red Hat would like to thank GnuTLS upstream for reporting this issue.
Upstream acknowledges Joonas Kuorilehto of Codenomicon as the original
reporter.

Users of GnuTLS are advised to upgrade to these updated packages, which
correct this issue. For the update to take effect, all applications linked
to the GnuTLS library must be restarted.

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 (https://bugzilla.redhat.com/):

1101932 - CVE-2014-3466 gnutls: insufficient session id length check in _gnutls_read_server_hello (GNUTLS-SA-2014-3)

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/gnutls-2.8.5-14.el6_5.src.rpm

i386:
gnutls-2.8.5-14.el6_5.i686.rpm
gnutls-debuginfo-2.8.5-14.el6_5.i686.rpm
gnutls-utils-2.8.5-14.el6_5.i686.rpm

x86_64:
gnutls-2.8.5-14.el6_5.i686.rpm
gnutls-2.8.5-14.el6_5.x86_64.rpm
gnutls-debuginfo-2.8.5-14.el6_5.i686.rpm
gnutls-debuginfo-2.8.5-14.el6_5.x86_64.rpm
gnutls-utils-2.8.5-14.el6_5.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/gnutls-2.8.5-14.el6_5.src.rpm

i386:
gnutls-debuginfo-2.8.5-14.el6_5.i686.rpm
gnutls-devel-2.8.5-14.el6_5.i686.rpm
gnutls-guile-2.8.5-14.el6_5.i686.rpm

x86_64:
gnutls-debuginfo-2.8.5-14.el6_5.i686.rpm
gnutls-debuginfo-2.8.5-14.el6_5.x86_64.rpm
gnutls-devel-2.8.5-14.el6_5.i686.rpm
gnutls-devel-2.8.5-14.el6_5.x86_64.rpm
gnutls-guile-2.8.5-14.el6_5.i686.rpm
gnutls-guile-2.8.5-14.el6_5.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/gnutls-2.8.5-14.el6_5.src.rpm

x86_64:
gnutls-2.8.5-14.el6_5.i686.rpm
gnutls-2.8.5-14.el6_5.x86_64.rpm
gnutls-debuginfo-2.8.5-14.el6_5.i686.rpm
gnutls-debuginfo-2.8.5-14.el6_5.x86_64.rpm
gnutls-utils-2.8.5-14.el6_5.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/gnutls-2.8.5-14.el6_5.src.rpm

x86_64:
gnutls-debuginfo-2.8.5-14.el6_5.i686.rpm
gnutls-debuginfo-2.8.5-14.el6_5.x86_64.rpm
gnutls-devel-2.8.5-14.el6_5.i686.rpm
gnutls-devel-2.8.5-14.el6_5.x86_64.rpm
gnutls-guile-2.8.5-14.el6_5.i686.rpm
gnutls-guile-2.8.5-14.el6_5.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/gnutls-2.8.5-14.el6_5.src.rpm

i386:
gnutls-2.8.5-14.el6_5.i686.rpm
gnutls-debuginfo-2.8.5-14.el6_5.i686.rpm
gnutls-devel-2.8.5-14.el6_5.i686.rpm
gnutls-utils-2.8.5-14.el6_5.i686.rpm

ppc64:
gnutls-2.8.5-14.el6_5.ppc.rpm
gnutls-2.8.5-14.el6_5.ppc64.rpm
gnutls-debuginfo-2.8.5-14.el6_5.ppc.rpm
gnutls-debuginfo-2.8.5-14.el6_5.ppc64.rpm
gnutls-devel-2.8.5-14.el6_5.ppc.rpm
gnutls-devel-2.8.5-14.el6_5.ppc64.rpm
gnutls-utils-2.8.5-14.el6_5.ppc64.rpm

s390x:
gnutls-2.8.5-14.el6_5.s390.rpm
gnutls-2.8.5-14.el6_5.s390x.rpm
gnutls-debuginfo-2.8.5-14.el6_5.s390.rpm
gnutls-debuginfo-2.8.5-14.el6_5.s390x.rpm
gnutls-devel-2.8.5-14.el6_5.s390.rpm
gnutls-devel-2.8.5-14.el6_5.s390x.rpm
gnutls-utils-2.8.5-14.el6_5.s390x.rpm

x86_64:
gnutls-2.8.5-14.el6_5.i686.rpm
gnutls-2.8.5-14.el6_5.x86_64.rpm
gnutls-debuginfo-2.8.5-14.el6_5.i686.rpm
gnutls-debuginfo-2.8.5-14.el6_5.x86_64.rpm
gnutls-devel-2.8.5-14.el6_5.i686.rpm
gnutls-devel-2.8.5-14.el6_5.x86_64.rpm
gnutls-utils-2.8.5-14.el6_5.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/gnutls-2.8.5-14.el6_5.src.rpm

i386:
gnutls-debuginfo-2.8.5-14.el6_5.i686.rpm
gnutls-guile-2.8.5-14.el6_5.i686.rpm

ppc64:
gnutls-debuginfo-2.8.5-14.el6_5.ppc.rpm
gnutls-debuginfo-2.8.5-14.el6_5.ppc64.rpm
gnutls-guile-2.8.5-14.el6_5.ppc.rpm
gnutls-guile-2.8.5-14.el6_5.ppc64.rpm

s390x:
gnutls-debuginfo-2.8.5-14.el6_5.s390.rpm
gnutls-debuginfo-2.8.5-14.el6_5.s390x.rpm
gnutls-guile-2.8.5-14.el6_5.s390.rpm
gnutls-guile-2.8.5-14.el6_5.s390x.rpm

x86_64:
gnutls-debuginfo-2.8.5-14.el6_5.i686.rpm
gnutls-debuginfo-2.8.5-14.el6_5.x86_64.rpm
gnutls-guile-2.8.5-14.el6_5.i686.rpm
gnutls-guile-2.8.5-14.el6_5.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/gnutls-2.8.5-14.el6_5.src.rpm

i386:
gnutls-2.8.5-14.el6_5.i686.rpm
gnutls-debuginfo-2.8.5-14.el6_5.i686.rpm
gnutls-devel-2.8.5-14.el6_5.i686.rpm
gnutls-utils-2.8.5-14.el6_5.i686.rpm

x86_64:
gnutls-2.8.5-14.el6_5.i686.rpm
gnutls-2.8.5-14.el6_5.x86_64.rpm
gnutls-debuginfo-2.8.5-14.el6_5.i686.rpm
gnutls-debuginfo-2.8.5-14.el6_5.x86_64.rpm
gnutls-devel-2.8.5-14.el6_5.i686.rpm
gnutls-devel-2.8.5-14.el6_5.x86_64.rpm
gnutls-utils-2.8.5-14.el6_5.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/gnutls-2.8.5-14.el6_5.src.rpm

i386:
gnutls-debuginfo-2.8.5-14.el6_5.i686.rpm
gnutls-guile-2.8.5-14.el6_5.i686.rpm

x86_64:
gnutls-debuginfo-2.8.5-14.el6_5.i686.rpm
gnutls-debuginfo-2.8.5-14.el6_5.x86_64.rpm
gnutls-guile-2.8.5-14.el6_5.i686.rpm
gnutls-guile-2.8.5-14.el6_5.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-2014-3466.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 2014 Red Hat, Inc.
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