Updated openssl packages that fix one security issue are now available for Red Hat Enterprise Linux 6 and 7. Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which

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

Synopsis:          Moderate: openssl security update
Advisory ID:       RHSA-2015:1072-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2015:1072.html
Issue date:        2015-06-04
CVE Names:         CVE-2015-4000 
====================================================================
1. Summary:

Updated openssl packages that fix one security issue are now available for
Red Hat Enterprise Linux 6 and 7.

Red Hat Product Security 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 Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - 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 (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - 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.

A flaw was found in the way the TLS protocol composes the Diffie-Hellman
(DH) key exchange. A man-in-the-middle attacker could use this flaw to
force the use of weak 512 bit export-grade keys during the key exchange,
allowing them do decrypt all traffic. (CVE-2015-4000)

Note: This update forces the TLS/SSL client implementation in OpenSSL to
reject DH key sizes below 768 bits, which prevents sessions to be
downgraded to export-grade keys. Future updates may raise this limit to
1024 bits.

All openssl users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. 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.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

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

1223211 - CVE-2015-4000 LOGJAM: TLS connections which support export grade DHE key-exchange are vulnerable to MITM attacks

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
openssl-1.0.1e-30.el6_6.9.src.rpm

i386:
openssl-1.0.1e-30.el6_6.9.i686.rpm
openssl-debuginfo-1.0.1e-30.el6_6.9.i686.rpm

x86_64:
openssl-1.0.1e-30.el6_6.9.i686.rpm
openssl-1.0.1e-30.el6_6.9.x86_64.rpm
openssl-debuginfo-1.0.1e-30.el6_6.9.i686.rpm
openssl-debuginfo-1.0.1e-30.el6_6.9.x86_64.rpm

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

i386:
openssl-debuginfo-1.0.1e-30.el6_6.9.i686.rpm
openssl-devel-1.0.1e-30.el6_6.9.i686.rpm
openssl-perl-1.0.1e-30.el6_6.9.i686.rpm
openssl-static-1.0.1e-30.el6_6.9.i686.rpm

x86_64:
openssl-debuginfo-1.0.1e-30.el6_6.9.i686.rpm
openssl-debuginfo-1.0.1e-30.el6_6.9.x86_64.rpm
openssl-devel-1.0.1e-30.el6_6.9.i686.rpm
openssl-devel-1.0.1e-30.el6_6.9.x86_64.rpm
openssl-perl-1.0.1e-30.el6_6.9.x86_64.rpm
openssl-static-1.0.1e-30.el6_6.9.x86_64.rpm

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

Source:
openssl-1.0.1e-30.el6_6.9.src.rpm

x86_64:
openssl-1.0.1e-30.el6_6.9.i686.rpm
openssl-1.0.1e-30.el6_6.9.x86_64.rpm
openssl-debuginfo-1.0.1e-30.el6_6.9.i686.rpm
openssl-debuginfo-1.0.1e-30.el6_6.9.x86_64.rpm

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

x86_64:
openssl-debuginfo-1.0.1e-30.el6_6.9.i686.rpm
openssl-debuginfo-1.0.1e-30.el6_6.9.x86_64.rpm
openssl-devel-1.0.1e-30.el6_6.9.i686.rpm
openssl-devel-1.0.1e-30.el6_6.9.x86_64.rpm
openssl-perl-1.0.1e-30.el6_6.9.x86_64.rpm
openssl-static-1.0.1e-30.el6_6.9.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
openssl-1.0.1e-30.el6_6.9.src.rpm

i386:
openssl-1.0.1e-30.el6_6.9.i686.rpm
openssl-debuginfo-1.0.1e-30.el6_6.9.i686.rpm
openssl-devel-1.0.1e-30.el6_6.9.i686.rpm

ppc64:
openssl-1.0.1e-30.el6_6.9.ppc.rpm
openssl-1.0.1e-30.el6_6.9.ppc64.rpm
openssl-debuginfo-1.0.1e-30.el6_6.9.ppc.rpm
openssl-debuginfo-1.0.1e-30.el6_6.9.ppc64.rpm
openssl-devel-1.0.1e-30.el6_6.9.ppc.rpm
openssl-devel-1.0.1e-30.el6_6.9.ppc64.rpm

s390x:
openssl-1.0.1e-30.el6_6.9.s390.rpm
openssl-1.0.1e-30.el6_6.9.s390x.rpm
openssl-debuginfo-1.0.1e-30.el6_6.9.s390.rpm
openssl-debuginfo-1.0.1e-30.el6_6.9.s390x.rpm
openssl-devel-1.0.1e-30.el6_6.9.s390.rpm
openssl-devel-1.0.1e-30.el6_6.9.s390x.rpm

x86_64:
openssl-1.0.1e-30.el6_6.9.i686.rpm
openssl-1.0.1e-30.el6_6.9.x86_64.rpm
openssl-debuginfo-1.0.1e-30.el6_6.9.i686.rpm
openssl-debuginfo-1.0.1e-30.el6_6.9.x86_64.rpm
openssl-devel-1.0.1e-30.el6_6.9.i686.rpm
openssl-devel-1.0.1e-30.el6_6.9.x86_64.rpm

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

i386:
openssl-debuginfo-1.0.1e-30.el6_6.9.i686.rpm
openssl-perl-1.0.1e-30.el6_6.9.i686.rpm
openssl-static-1.0.1e-30.el6_6.9.i686.rpm

ppc64:
openssl-debuginfo-1.0.1e-30.el6_6.9.ppc64.rpm
openssl-perl-1.0.1e-30.el6_6.9.ppc64.rpm
openssl-static-1.0.1e-30.el6_6.9.ppc64.rpm

s390x:
openssl-debuginfo-1.0.1e-30.el6_6.9.s390x.rpm
openssl-perl-1.0.1e-30.el6_6.9.s390x.rpm
openssl-static-1.0.1e-30.el6_6.9.s390x.rpm

x86_64:
openssl-debuginfo-1.0.1e-30.el6_6.9.x86_64.rpm
openssl-perl-1.0.1e-30.el6_6.9.x86_64.rpm
openssl-static-1.0.1e-30.el6_6.9.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
openssl-1.0.1e-30.el6_6.9.src.rpm

i386:
openssl-1.0.1e-30.el6_6.9.i686.rpm
openssl-debuginfo-1.0.1e-30.el6_6.9.i686.rpm
openssl-devel-1.0.1e-30.el6_6.9.i686.rpm

x86_64:
openssl-1.0.1e-30.el6_6.9.i686.rpm
openssl-1.0.1e-30.el6_6.9.x86_64.rpm
openssl-debuginfo-1.0.1e-30.el6_6.9.i686.rpm
openssl-debuginfo-1.0.1e-30.el6_6.9.x86_64.rpm
openssl-devel-1.0.1e-30.el6_6.9.i686.rpm
openssl-devel-1.0.1e-30.el6_6.9.x86_64.rpm

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

i386:
openssl-debuginfo-1.0.1e-30.el6_6.9.i686.rpm
openssl-perl-1.0.1e-30.el6_6.9.i686.rpm
openssl-static-1.0.1e-30.el6_6.9.i686.rpm

x86_64:
openssl-debuginfo-1.0.1e-30.el6_6.9.x86_64.rpm
openssl-perl-1.0.1e-30.el6_6.9.x86_64.rpm
openssl-static-1.0.1e-30.el6_6.9.x86_64.rpm

Red Hat Enterprise Linux Client (v. 7):

Source:
openssl-1.0.1e-42.el7_1.6.src.rpm

x86_64:
openssl-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.i686.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-libs-1.0.1e-42.el7_1.6.i686.rpm
openssl-libs-1.0.1e-42.el7_1.6.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
openssl-debuginfo-1.0.1e-42.el7_1.6.i686.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-devel-1.0.1e-42.el7_1.6.i686.rpm
openssl-devel-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-perl-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-static-1.0.1e-42.el7_1.6.i686.rpm
openssl-static-1.0.1e-42.el7_1.6.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
openssl-1.0.1e-42.el7_1.6.src.rpm

x86_64:
openssl-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.i686.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-libs-1.0.1e-42.el7_1.6.i686.rpm
openssl-libs-1.0.1e-42.el7_1.6.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
openssl-debuginfo-1.0.1e-42.el7_1.6.i686.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-devel-1.0.1e-42.el7_1.6.i686.rpm
openssl-devel-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-perl-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-static-1.0.1e-42.el7_1.6.i686.rpm
openssl-static-1.0.1e-42.el7_1.6.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
openssl-1.0.1e-42.el7_1.6.src.rpm

ppc64:
openssl-1.0.1e-42.el7_1.6.ppc64.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.ppc.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.ppc64.rpm
openssl-devel-1.0.1e-42.el7_1.6.ppc.rpm
openssl-devel-1.0.1e-42.el7_1.6.ppc64.rpm
openssl-libs-1.0.1e-42.el7_1.6.ppc.rpm
openssl-libs-1.0.1e-42.el7_1.6.ppc64.rpm

s390x:
openssl-1.0.1e-42.el7_1.6.s390x.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.s390.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.s390x.rpm
openssl-devel-1.0.1e-42.el7_1.6.s390.rpm
openssl-devel-1.0.1e-42.el7_1.6.s390x.rpm
openssl-libs-1.0.1e-42.el7_1.6.s390.rpm
openssl-libs-1.0.1e-42.el7_1.6.s390x.rpm

x86_64:
openssl-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.i686.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-devel-1.0.1e-42.el7_1.6.i686.rpm
openssl-devel-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-libs-1.0.1e-42.el7_1.6.i686.rpm
openssl-libs-1.0.1e-42.el7_1.6.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
openssl-1.0.1e-42.ael7b_1.6.src.rpm

ppc64le:
openssl-1.0.1e-42.ael7b_1.6.ppc64le.rpm
openssl-debuginfo-1.0.1e-42.ael7b_1.6.ppc64le.rpm
openssl-devel-1.0.1e-42.ael7b_1.6.ppc64le.rpm
openssl-libs-1.0.1e-42.ael7b_1.6.ppc64le.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
openssl-debuginfo-1.0.1e-42.el7_1.6.ppc.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.ppc64.rpm
openssl-perl-1.0.1e-42.el7_1.6.ppc64.rpm
openssl-static-1.0.1e-42.el7_1.6.ppc.rpm
openssl-static-1.0.1e-42.el7_1.6.ppc64.rpm

s390x:
openssl-debuginfo-1.0.1e-42.el7_1.6.s390.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.s390x.rpm
openssl-perl-1.0.1e-42.el7_1.6.s390x.rpm
openssl-static-1.0.1e-42.el7_1.6.s390.rpm
openssl-static-1.0.1e-42.el7_1.6.s390x.rpm

x86_64:
openssl-debuginfo-1.0.1e-42.el7_1.6.i686.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-perl-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-static-1.0.1e-42.el7_1.6.i686.rpm
openssl-static-1.0.1e-42.el7_1.6.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64le:
openssl-debuginfo-1.0.1e-42.ael7b_1.6.ppc64le.rpm
openssl-perl-1.0.1e-42.ael7b_1.6.ppc64le.rpm
openssl-static-1.0.1e-42.ael7b_1.6.ppc64le.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
openssl-1.0.1e-42.el7_1.6.src.rpm

x86_64:
openssl-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.i686.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-devel-1.0.1e-42.el7_1.6.i686.rpm
openssl-devel-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-libs-1.0.1e-42.el7_1.6.i686.rpm
openssl-libs-1.0.1e-42.el7_1.6.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
openssl-debuginfo-1.0.1e-42.el7_1.6.i686.rpm
openssl-debuginfo-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-perl-1.0.1e-42.el7_1.6.x86_64.rpm
openssl-static-1.0.1e-42.el7_1.6.i686.rpm
openssl-static-1.0.1e-42.el7_1.6.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

7. References:

https://access.redhat.com/security/cve/CVE-2015-4000
https://access.redhat.com/security/updates/classification#moderate
https://access.redhat.com/articles/1456263


8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact

Copyright 2015 Red Hat, Inc.
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