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=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: openssl security update
Advisory ID: RHSA-2013:0587-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-0587.html
Issue date: 2013-03-04
CVE Names: CVE-2012-4929 CVE-2013-0166 CVE-2013-0169
=====================================================================
1. Summary:
Updated openssl packages that fix multiple security issues are now
available for Red Hat Enterprise Linux 5 and 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:
RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
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:
OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL v2/v3)
and Transport Layer Security (TLS v1) protocols, as well as a
full-strength, general purpose cryptography library.
It was discovered that OpenSSL leaked timing information when decrypting
TLS/SSL and DTLS protocol encrypted records when CBC-mode cipher suites
were used. A remote attacker could possibly use this flaw to retrieve plain
text from the encrypted packets by using a TLS/SSL or DTLS server as a
padding oracle. (CVE-2013-0169)
A NULL pointer dereference flaw was found in the OCSP response verification
in OpenSSL. A malicious OCSP server could use this flaw to crash
applications performing OCSP verification by sending a specially-crafted
response. (CVE-2013-0166)
It was discovered that the TLS/SSL protocol could leak information about
plain text when optional compression was used. An attacker able to control
part of the plain text sent over an encrypted TLS/SSL connection could
possibly use this flaw to recover other portions of the plain text.
(CVE-2012-4929)
Note: This update disables zlib compression, which was previously enabled
in OpenSSL by default. Applications using OpenSSL now need to explicitly
enable zlib compression to use it.
It was found that OpenSSL read certain environment variables even when used
by a privileged (setuid or setgid) application. A local attacker could use
this flaw to escalate their privileges. No application shipped with Red Hat
Enterprise Linux 5 and 6 was affected by this problem. (BZ#839735)
All OpenSSL users should upgrade to these updated packages, which contain
backported patches to resolve these issues. For the update to take effect,
all services linked to the OpenSSL 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/):
839735 - openssl: environment settings honored when used in privileged apps
857051 - CVE-2012-4929 SSL/TLS CRIME attack against HTTPS
907589 - CVE-2013-0169 SSL/TLS: CBC padding timing attack (lucky-13)
908052 - CVE-2013-0166 openssl: DoS due to improper handling of OCSP response
verification
6. Package List:
Red Hat Enterprise Linux Desktop (v. 5 client):
Source:
openssl-0.9.8e-26.el5_9.1.src.rpm
i386:
openssl-0.9.8e-26.el5_9.1.i386.rpm
openssl-0.9.8e-26.el5_9.1.i686.rpm
openssl-debuginfo-0.9.8e-26.el5_9.1.i386.rpm
openssl-debuginfo-0.9.8e-26.el5_9.1.i686.rpm
openssl-perl-0.9.8e-26.el5_9.1.i386.rpm
x86_64:
openssl-0.9.8e-26.el5_9.1.i686.rpm
openssl-0.9.8e-26.el5_9.1.x86_64.rpm
openssl-debuginfo-0.9.8e-26.el5_9.1.i686.rpm
openssl-debuginfo-0.9.8e-26.el5_9.1.x86_64.rpm
openssl-perl-0.9.8e-26.el5_9.1.x86_64.rpm
RHEL Desktop Workstation (v. 5 client):
Source:
openssl-0.9.8e-26.el5_9.1.src.rpm
i386:
openssl-debuginfo-0.9.8e-26.el5_9.1.i386.rpm
openssl-devel-0.9.8e-26.el5_9.1.i386.rpm
x86_64:
openssl-debuginfo-0.9.8e-26.el5_9.1.i386.rpm
openssl-debuginfo-0.9.8e-26.el5_9.1.x86_64.rpm
openssl-devel-0.9.8e-26.el5_9.1.i386.rpm
openssl-devel-0.9.8e-26.el5_9.1.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source:
openssl-0.9.8e-26.el5_9.1.src.rpm
i386:
openssl-0.9.8e-26.el5_9.1.i386.rpm
openssl-0.9.8e-26.el5_9.1.i686.rpm
openssl-debuginfo-0.9.8e-26.el5_9.1.i386.rpm
openssl-debuginfo-0.9.8e-26.el5_9.1.i686.rpm
openssl-devel-0.9.8e-26.el5_9.1.i386.rpm
openssl-perl-0.9.8e-26.el5_9.1.i386.rpm
ia64:
openssl-0.9.8e-26.el5_9.1.i686.rpm
openssl-0.9.8e-26.el5_9.1.ia64.rpm
openssl-debuginfo-0.9.8e-26.el5_9.1.i686.rpm
openssl-debuginfo-0.9.8e-26.el5_9.1.ia64.rpm
openssl-devel-0.9.8e-26.el5_9.1.ia64.rpm
openssl-perl-0.9.8e-26.el5_9.1.ia64.rpm
ppc:
openssl-0.9.8e-26.el5_9.1.ppc.rpm
openssl-0.9.8e-26.el5_9.1.ppc64.rpm
openssl-debuginfo-0.9.8e-26.el5_9.1.ppc.rpm
openssl-debuginfo-0.9.8e-26.el5_9.1.ppc64.rpm
openssl-devel-0.9.8e-26.el5_9.1.ppc.rpm
openssl-devel-0.9.8e-26.el5_9.1.ppc64.rpm
openssl-perl-0.9.8e-26.el5_9.1.ppc.rpm
s390x:
openssl-0.9.8e-26.el5_9.1.s390.rpm
openssl-0.9.8e-26.el5_9.1.s390x.rpm
openssl-debuginfo-0.9.8e-26.el5_9.1.s390.rpm
openssl-debuginfo-0.9.8e-26.el5_9.1.s390x.rpm
openssl-devel-0.9.8e-26.el5_9.1.s390.rpm
openssl-devel-0.9.8e-26.el5_9.1.s390x.rpm
openssl-perl-0.9.8e-26.el5_9.1.s390x.rpm
x86_64:
openssl-0.9.8e-26.el5_9.1.i686.rpm
openssl-0.9.8e-26.el5_9.1.x86_64.rpm
openssl-debuginfo-0.9.8e-26.el5_9.1.i386.rpm
openssl-debuginfo-0.9.8e-26.el5_9.1.i686.rpm
openssl-debuginfo-0.9.8e-26.el5_9.1.x86_64.rpm
openssl-devel-0.9.8e-26.el5_9.1.i386.rpm
openssl-devel-0.9.8e-26.el5_9.1.x86_64.rpm
openssl-perl-0.9.8e-26.el5_9.1.x86_64.rpm
Red Hat Enterprise Linux Desktop (v. 6):
Source:
openssl-1.0.0-27.el6_4.2.src.rpm
i386:
openssl-1.0.0-27.el6_4.2.i686.rpm
openssl-debuginfo-1.0.0-27.el6_4.2.i686.rpm
x86_64:
openssl-1.0.0-27.el6_4.2.i686.rpm
openssl-1.0.0-27.el6_4.2.x86_64.rpm
openssl-debuginfo-1.0.0-27.el6_4.2.i686.rpm
openssl-debuginfo-1.0.0-27.el6_4.2.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
Source:
openssl-1.0.0-27.el6_4.2.src.rpm
i386:
openssl-debuginfo-1.0.0-27.el6_4.2.i686.rpm
openssl-devel-1.0.0-27.el6_4.2.i686.rpm
openssl-perl-1.0.0-27.el6_4.2.i686.rpm
openssl-static-1.0.0-27.el6_4.2.i686.rpm
x86_64:
openssl-debuginfo-1.0.0-27.el6_4.2.i686.rpm
openssl-debuginfo-1.0.0-27.el6_4.2.x86_64.rpm
openssl-devel-1.0.0-27.el6_4.2.i686.rpm
openssl-devel-1.0.0-27.el6_4.2.x86_64.rpm
openssl-perl-1.0.0-27.el6_4.2.x86_64.rpm
openssl-static-1.0.0-27.el6_4.2.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source:
openssl-1.0.0-27.el6_4.2.src.rpm
x86_64:
openssl-1.0.0-27.el6_4.2.i686.rpm
openssl-1.0.0-27.el6_4.2.x86_64.rpm
openssl-debuginfo-1.0.0-27.el6_4.2.i686.rpm
openssl-debuginfo-1.0.0-27.el6_4.2.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
Source:
openssl-1.0.0-27.el6_4.2.src.rpm
x86_64:
openssl-debuginfo-1.0.0-27.el6_4.2.i686.rpm
openssl-debuginfo-1.0.0-27.el6_4.2.x86_64.rpm
openssl-devel-1.0.0-27.el6_4.2.i686.rpm
openssl-devel-1.0.0-27.el6_4.2.x86_64.rpm
openssl-perl-1.0.0-27.el6_4.2.x86_64.rpm
openssl-static-1.0.0-27.el6_4.2.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
openssl-1.0.0-27.el6_4.2.src.rpm
i386:
openssl-1.0.0-27.el6_4.2.i686.rpm
openssl-debuginfo-1.0.0-27.el6_4.2.i686.rpm
openssl-devel-1.0.0-27.el6_4.2.i686.rpm
ppc64:
openssl-1.0.0-27.el6_4.2.ppc.rpm
openssl-1.0.0-27.el6_4.2.ppc64.rpm
openssl-debuginfo-1.0.0-27.el6_4.2.ppc.rpm
openssl-debuginfo-1.0.0-27.el6_4.2.ppc64.rpm
openssl-devel-1.0.0-27.el6_4.2.ppc.rpm
openssl-devel-1.0.0-27.el6_4.2.ppc64.rpm
s390x:
openssl-1.0.0-27.el6_4.2.s390.rpm
openssl-1.0.0-27.el6_4.2.s390x.rpm
openssl-debuginfo-1.0.0-27.el6_4.2.s390.rpm
openssl-debuginfo-1.0.0-27.el6_4.2.s390x.rpm
openssl-devel-1.0.0-27.el6_4.2.s390.rpm
openssl-devel-1.0.0-27.el6_4.2.s390x.rpm
x86_64:
openssl-1.0.0-27.el6_4.2.i686.rpm
openssl-1.0.0-27.el6_4.2.x86_64.rpm
openssl-debuginfo-1.0.0-27.el6_4.2.i686.rpm
openssl-debuginfo-1.0.0-27.el6_4.2.x86_64.rpm
openssl-devel-1.0.0-27.el6_4.2.i686.rpm
openssl-devel-1.0.0-27.el6_4.2.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
Source:
openssl-1.0.0-27.el6_4.2.src.rpm
i386:
openssl-debuginfo-1.0.0-27.el6_4.2.i686.rpm
openssl-perl-1.0.0-27.el6_4.2.i686.rpm
openssl-static-1.0.0-27.el6_4.2.i686.rpm
ppc64:
openssl-debuginfo-1.0.0-27.el6_4.2.ppc64.rpm
openssl-perl-1.0.0-27.el6_4.2.ppc64.rpm
openssl-static-1.0.0-27.el6_4.2.ppc64.rpm
s390x:
openssl-debuginfo-1.0.0-27.el6_4.2.s390x.rpm
openssl-perl-1.0.0-27.el6_4.2.s390x.rpm
openssl-static-1.0.0-27.el6_4.2.s390x.rpm
x86_64:
openssl-debuginfo-1.0.0-27.el6_4.2.x86_64.rpm
openssl-perl-1.0.0-27.el6_4.2.x86_64.rpm
openssl-static-1.0.0-27.el6_4.2.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
openssl-1.0.0-27.el6_4.2.src.rpm
i386:
openssl-1.0.0-27.el6_4.2.i686.rpm
openssl-debuginfo-1.0.0-27.el6_4.2.i686.rpm
openssl-devel-1.0.0-27.el6_4.2.i686.rpm
x86_64:
openssl-1.0.0-27.el6_4.2.i686.rpm
openssl-1.0.0-27.el6_4.2.x86_64.rpm
openssl-debuginfo-1.0.0-27.el6_4.2.i686.rpm
openssl-debuginfo-1.0.0-27.el6_4.2.x86_64.rpm
openssl-devel-1.0.0-27.el6_4.2.i686.rpm
openssl-devel-1.0.0-27.el6_4.2.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
Source:
openssl-1.0.0-27.el6_4.2.src.rpm
i386:
openssl-debuginfo-1.0.0-27.el6_4.2.i686.rpm
openssl-perl-1.0.0-27.el6_4.2.i686.rpm
openssl-static-1.0.0-27.el6_4.2.i686.rpm
x86_64:
openssl-debuginfo-1.0.0-27.el6_4.2.x86_64.rpm
openssl-perl-1.0.0-27.el6_4.2.x86_64.rpm
openssl-static-1.0.0-27.el6_4.2.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-2012-4929.html
https://www.redhat.com/security/data/cve/CVE-2013-0166.html
https://www.redhat.com/security/data/cve/CVE-2013-0169.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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