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[RHSA-2016:0301-01] Important: openssl security update

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=====================================================================

Red Hat Security Advisory

 

Synopsis: Important: openssl security update

Advisory ID: RHSA-2016:0301-01

Product: Red Hat Enterprise Linux

Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-0301.html

Issue date: 2016-03-01

CVE Names: CVE-2015-3197 CVE-2016-0702 CVE-2016-0705

CVE-2016-0797 CVE-2016-0800

=====================================================================

 

1. Summary:

 

Updated openssl packages that fix multiple security issues are now

available for Red Hat Enterprise Linux 6 and 7.

 

Red Hat Product Security has rated this update as having Important 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 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 padding oracle flaw was found in the Secure Sockets Layer version 2.0

(SSLv2) protocol. An attacker can potentially use this flaw to decrypt

RSA-encrypted cipher text from a connection using a newer SSL/TLS protocol

version, allowing them to decrypt such connections. This cross-protocol

attack is publicly referred to as DROWN. (CVE-2016-0800)

 

Note: This issue was addressed by disabling the SSLv2 protocol by default

when using the 'SSLv23' connection methods, and removing support for weak

SSLv2 cipher suites. For more information, refer to the knowledge base

article linked to in the References section.

 

A flaw was found in the way malicious SSLv2 clients could negotiate SSLv2

ciphers that have been disabled on the server. This could result in weak

SSLv2 ciphers being used for SSLv2 connections, making them vulnerable to

man-in-the-middle attacks. (CVE-2015-3197)

 

A side-channel attack was found that makes use of cache-bank conflicts on

the Intel Sandy-Bridge microarchitecture. An attacker who has the ability

to control code in a thread running on the same hyper-threaded core as the

victim's thread that is performing decryption, could use this flaw to

recover RSA private keys. (CVE-2016-0702)

 

A double-free flaw was found in the way OpenSSL parsed certain malformed

DSA (Digital Signature Algorithm) private keys. An attacker could create

specially crafted DSA private keys that, when processed by an application

compiled against OpenSSL, could cause the application to crash.

(CVE-2016-0705)

 

An integer overflow flaw, leading to a NULL pointer dereference or a

heap-based memory corruption, was found in the way some BIGNUM functions of

OpenSSL were implemented. Applications that use these functions with large

untrusted input could crash or, potentially, execute arbitrary code.

(CVE-2016-0797)

 

Red Hat would like to thank the OpenSSL project for reporting these issues.

Upstream acknowledges Nimrod Aviram and Sebastian Schinzel as the original

reporters of CVE-2016-0800 and CVE-2015-3197; Adam Langley

(Google/BoringSSL) as the original reporter of CVE-2016-0705; Yuval Yarom

(University of Adelaide and NICTA), Daniel Genkin (Technion and Tel Aviv

University), Nadia Heninger (University of Pennsylvania) as the original

reporters of CVE-2016-0702; and Guido Vranken as the original reporter of

CVE-2016-0797.

 

All openssl users are advised to upgrade to these updated packages,

which contain backported patches to correct 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.

 

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

 

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

 

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

 

1301846 - CVE-2015-3197 OpenSSL: SSLv2 doesn't block disabled ciphers

1310593 - CVE-2016-0800 SSL/TLS: Cross-protocol attack on TLS using SSLv2 (DROWN)

1310596 - CVE-2016-0705 OpenSSL: Double-free in DSA code

1310599 - CVE-2016-0702 OpenSSL: Side channel attack on modular exponentiation

1311880 - CVE-2016-0797 OpenSSL: BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption

 

6. Package List:

 

Red Hat Enterprise Linux Desktop (v. 6):

 

Source:

openssl-1.0.1e-42.el6_7.4.src.rpm

 

i386:

openssl-1.0.1e-42.el6_7.4.i686.rpm

openssl-debuginfo-1.0.1e-42.el6_7.4.i686.rpm

 

x86_64:

openssl-1.0.1e-42.el6_7.4.i686.rpm

openssl-1.0.1e-42.el6_7.4.x86_64.rpm

openssl-debuginfo-1.0.1e-42.el6_7.4.i686.rpm

openssl-debuginfo-1.0.1e-42.el6_7.4.x86_64.rpm

 

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

 

i386:

openssl-debuginfo-1.0.1e-42.el6_7.4.i686.rpm

openssl-devel-1.0.1e-42.el6_7.4.i686.rpm

openssl-perl-1.0.1e-42.el6_7.4.i686.rpm

openssl-static-1.0.1e-42.el6_7.4.i686.rpm

 

x86_64:

openssl-debuginfo-1.0.1e-42.el6_7.4.i686.rpm

openssl-debuginfo-1.0.1e-42.el6_7.4.x86_64.rpm

openssl-devel-1.0.1e-42.el6_7.4.i686.rpm

openssl-devel-1.0.1e-42.el6_7.4.x86_64.rpm

openssl-perl-1.0.1e-42.el6_7.4.x86_64.rpm

openssl-static-1.0.1e-42.el6_7.4.x86_64.rpm

 

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

 

Source:

openssl-1.0.1e-42.el6_7.4.src.rpm

 

x86_64:

openssl-1.0.1e-42.el6_7.4.i686.rpm

openssl-1.0.1e-42.el6_7.4.x86_64.rpm

openssl-debuginfo-1.0.1e-42.el6_7.4.i686.rpm

openssl-debuginfo-1.0.1e-42.el6_7.4.x86_64.rpm

 

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

 

x86_64:

openssl-debuginfo-1.0.1e-42.el6_7.4.i686.rpm

openssl-debuginfo-1.0.1e-42.el6_7.4.x86_64.rpm

openssl-devel-1.0.1e-42.el6_7.4.i686.rpm

openssl-devel-1.0.1e-42.el6_7.4.x86_64.rpm

openssl-perl-1.0.1e-42.el6_7.4.x86_64.rpm

openssl-static-1.0.1e-42.el6_7.4.x86_64.rpm

 

Red Hat Enterprise Linux Server (v. 6):

 

Source:

openssl-1.0.1e-42.el6_7.4.src.rpm

 

i386:

openssl-1.0.1e-42.el6_7.4.i686.rpm

openssl-debuginfo-1.0.1e-42.el6_7.4.i686.rpm

openssl-devel-1.0.1e-42.el6_7.4.i686.rpm

 

ppc64:

openssl-1.0.1e-42.el6_7.4.ppc.rpm

openssl-1.0.1e-42.el6_7.4.ppc64.rpm

openssl-debuginfo-1.0.1e-42.el6_7.4.ppc.rpm

openssl-debuginfo-1.0.1e-42.el6_7.4.ppc64.rpm

openssl-devel-1.0.1e-42.el6_7.4.ppc.rpm

openssl-devel-1.0.1e-42.el6_7.4.ppc64.rpm

 

s390x:

openssl-1.0.1e-42.el6_7.4.s390.rpm

openssl-1.0.1e-42.el6_7.4.s390x.rpm

openssl-debuginfo-1.0.1e-42.el6_7.4.s390.rpm

openssl-debuginfo-1.0.1e-42.el6_7.4.s390x.rpm

openssl-devel-1.0.1e-42.el6_7.4.s390.rpm

openssl-devel-1.0.1e-42.el6_7.4.s390x.rpm

 

x86_64:

openssl-1.0.1e-42.el6_7.4.i686.rpm

openssl-1.0.1e-42.el6_7.4.x86_64.rpm

openssl-debuginfo-1.0.1e-42.el6_7.4.i686.rpm

openssl-debuginfo-1.0.1e-42.el6_7.4.x86_64.rpm

openssl-devel-1.0.1e-42.el6_7.4.i686.rpm

openssl-devel-1.0.1e-42.el6_7.4.x86_64.rpm

 

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

 

i386:

openssl-debuginfo-1.0.1e-42.el6_7.4.i686.rpm

openssl-perl-1.0.1e-42.el6_7.4.i686.rpm

openssl-static-1.0.1e-42.el6_7.4.i686.rpm

 

ppc64:

openssl-debuginfo-1.0.1e-42.el6_7.4.ppc64.rpm

openssl-perl-1.0.1e-42.el6_7.4.ppc64.rpm

openssl-static-1.0.1e-42.el6_7.4.ppc64.rpm

 

s390x:

openssl-debuginfo-1.0.1e-42.el6_7.4.s390x.rpm

openssl-perl-1.0.1e-42.el6_7.4.s390x.rpm

openssl-static-1.0.1e-42.el6_7.4.s390x.rpm

 

x86_64:

openssl-debuginfo-1.0.1e-42.el6_7.4.x86_64.rpm

openssl-perl-1.0.1e-42.el6_7.4.x86_64.rpm

openssl-static-1.0.1e-42.el6_7.4.x86_64.rpm

 

Red Hat Enterprise Linux Workstation (v. 6):

 

Source:

openssl-1.0.1e-42.el6_7.4.src.rpm

 

i386:

openssl-1.0.1e-42.el6_7.4.i686.rpm

openssl-debuginfo-1.0.1e-42.el6_7.4.i686.rpm

openssl-devel-1.0.1e-42.el6_7.4.i686.rpm

 

x86_64:

openssl-1.0.1e-42.el6_7.4.i686.rpm

openssl-1.0.1e-42.el6_7.4.x86_64.rpm

openssl-debuginfo-1.0.1e-42.el6_7.4.i686.rpm

openssl-debuginfo-1.0.1e-42.el6_7.4.x86_64.rpm

openssl-devel-1.0.1e-42.el6_7.4.i686.rpm

openssl-devel-1.0.1e-42.el6_7.4.x86_64.rpm

 

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

 

i386:

openssl-debuginfo-1.0.1e-42.el6_7.4.i686.rpm

openssl-perl-1.0.1e-42.el6_7.4.i686.rpm

openssl-static-1.0.1e-42.el6_7.4.i686.rpm

 

x86_64:

openssl-debuginfo-1.0.1e-42.el6_7.4.x86_64.rpm

openssl-perl-1.0.1e-42.el6_7.4.x86_64.rpm

openssl-static-1.0.1e-42.el6_7.4.x86_64.rpm

 

Red Hat Enterprise Linux Client (v. 7):

 

Source:

openssl-1.0.1e-51.el7_2.4.src.rpm

 

x86_64:

openssl-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.i686.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-libs-1.0.1e-51.el7_2.4.i686.rpm

openssl-libs-1.0.1e-51.el7_2.4.x86_64.rpm

 

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

 

x86_64:

openssl-debuginfo-1.0.1e-51.el7_2.4.i686.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-devel-1.0.1e-51.el7_2.4.i686.rpm

openssl-devel-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-perl-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-static-1.0.1e-51.el7_2.4.i686.rpm

openssl-static-1.0.1e-51.el7_2.4.x86_64.rpm

 

Red Hat Enterprise Linux ComputeNode (v. 7):

 

Source:

openssl-1.0.1e-51.el7_2.4.src.rpm

 

x86_64:

openssl-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.i686.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-libs-1.0.1e-51.el7_2.4.i686.rpm

openssl-libs-1.0.1e-51.el7_2.4.x86_64.rpm

 

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

 

x86_64:

openssl-debuginfo-1.0.1e-51.el7_2.4.i686.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-devel-1.0.1e-51.el7_2.4.i686.rpm

openssl-devel-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-perl-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-static-1.0.1e-51.el7_2.4.i686.rpm

openssl-static-1.0.1e-51.el7_2.4.x86_64.rpm

 

Red Hat Enterprise Linux Server (v. 7):

 

Source:

openssl-1.0.1e-51.el7_2.4.src.rpm

 

ppc64:

openssl-1.0.1e-51.el7_2.4.ppc64.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.ppc.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.ppc64.rpm

openssl-devel-1.0.1e-51.el7_2.4.ppc.rpm

openssl-devel-1.0.1e-51.el7_2.4.ppc64.rpm

openssl-libs-1.0.1e-51.el7_2.4.ppc.rpm

openssl-libs-1.0.1e-51.el7_2.4.ppc64.rpm

 

ppc64le:

openssl-1.0.1e-51.el7_2.4.ppc64le.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.ppc64le.rpm

openssl-devel-1.0.1e-51.el7_2.4.ppc64le.rpm

openssl-libs-1.0.1e-51.el7_2.4.ppc64le.rpm

 

s390x:

openssl-1.0.1e-51.el7_2.4.s390x.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.s390.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.s390x.rpm

openssl-devel-1.0.1e-51.el7_2.4.s390.rpm

openssl-devel-1.0.1e-51.el7_2.4.s390x.rpm

openssl-libs-1.0.1e-51.el7_2.4.s390.rpm

openssl-libs-1.0.1e-51.el7_2.4.s390x.rpm

 

x86_64:

openssl-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.i686.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-devel-1.0.1e-51.el7_2.4.i686.rpm

openssl-devel-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-libs-1.0.1e-51.el7_2.4.i686.rpm

openssl-libs-1.0.1e-51.el7_2.4.x86_64.rpm

 

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

 

ppc64:

openssl-debuginfo-1.0.1e-51.el7_2.4.ppc.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.ppc64.rpm

openssl-perl-1.0.1e-51.el7_2.4.ppc64.rpm

openssl-static-1.0.1e-51.el7_2.4.ppc.rpm

openssl-static-1.0.1e-51.el7_2.4.ppc64.rpm

 

ppc64le:

openssl-debuginfo-1.0.1e-51.el7_2.4.ppc64le.rpm

openssl-perl-1.0.1e-51.el7_2.4.ppc64le.rpm

openssl-static-1.0.1e-51.el7_2.4.ppc64le.rpm

 

s390x:

openssl-debuginfo-1.0.1e-51.el7_2.4.s390.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.s390x.rpm

openssl-perl-1.0.1e-51.el7_2.4.s390x.rpm

openssl-static-1.0.1e-51.el7_2.4.s390.rpm

openssl-static-1.0.1e-51.el7_2.4.s390x.rpm

 

x86_64:

openssl-debuginfo-1.0.1e-51.el7_2.4.i686.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-perl-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-static-1.0.1e-51.el7_2.4.i686.rpm

openssl-static-1.0.1e-51.el7_2.4.x86_64.rpm

 

Red Hat Enterprise Linux Workstation (v. 7):

 

Source:

openssl-1.0.1e-51.el7_2.4.src.rpm

 

x86_64:

openssl-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.i686.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-devel-1.0.1e-51.el7_2.4.i686.rpm

openssl-devel-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-libs-1.0.1e-51.el7_2.4.i686.rpm

openssl-libs-1.0.1e-51.el7_2.4.x86_64.rpm

 

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

 

x86_64:

openssl-debuginfo-1.0.1e-51.el7_2.4.i686.rpm

openssl-debuginfo-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-perl-1.0.1e-51.el7_2.4.x86_64.rpm

openssl-static-1.0.1e-51.el7_2.4.i686.rpm

openssl-static-1.0.1e-51.el7_2.4.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-2015-3197

https://access.redhat.com/security/cve/CVE-2016-0702

https://access.redhat.com/security/cve/CVE-2016-0705

https://access.redhat.com/security/cve/CVE-2016-0797

https://access.redhat.com/security/cve/CVE-2016-0800

https://access.redhat.com/security/updates/classification/#important

https://access.redhat.com/articles/2176731

https://drownattack.com/

http://cachebleed.info/

https://openssl.org/news/secadv/20160128.txt

https://openssl.org/news/secadv/20160301.txt

 

8. Contact:

 

The Red Hat security contact is . More contact

details at https://access.redhat.com/security/team/contact/

 

Copyright 2016 Red Hat, Inc.

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