[RHSA-2014:1692-01] Important: openssl security update

[bugzilla at redhat.com]

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                   Red Hat Security Advisory

Synopsis:          Important: openssl security update
Advisory ID:       RHSA-2014:1692-01
Product:           Red Hat Storage
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2014-1692.html
Issue date:        2014-10-22
CVE Names:         CVE-2014-3513 CVE-2014-3567 
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1. Summary:

Updated openssl packages that contain a backported patch to mitigate the
CVE-2014-3566 issue and fix two security issues are now available for Red
Hat Storage 2.1.

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 Storage Server 2.1 - x86_64

3. Description:

OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL),
Transport Layer Security (TLS), and Datagram Transport Layer Security
(DTLS) protocols, as well as a full-strength, general purpose cryptography
library.

This update adds support for the TLS Fallback Signaling Cipher Suite Value
(TLS_FALLBACK_SCSV), which can be used to prevent protocol downgrade
attacks against applications which re-connect using a lower SSL/TLS
protocol version when the initial connection indicating the highest
supported protocol version fails.

This can prevent a forceful downgrade of the communication to SSL 3.0.
The SSL 3.0 protocol was found to be vulnerable to the padding oracle
attack when using block cipher suites in cipher block chaining (CBC) mode.
This issue is identified as CVE-2014-3566, and also known under the alias
POODLE. This SSL 3.0 protocol flaw will not be addressed in a future
update; it is recommended that users configure their applications to
require at least TLS protocol version 1.0 for secure communication.

For additional information about this flaw, see the Knowledgebase article
at https://access.redhat.com/articles/1232123

A memory leak flaw was found in the way OpenSSL parsed the DTLS Secure
Real-time Transport Protocol (SRTP) extension data. A remote attacker could
send multiple specially crafted handshake messages to exhaust all available
memory of an SSL/TLS or DTLS server. (CVE-2014-3513)

A memory leak flaw was found in the way an OpenSSL handled failed session
ticket integrity checks. A remote attacker could exhaust all available
memory of an SSL/TLS or DTLS server by sending a large number of invalid
session tickets to that server. (CVE-2014-3567)

All OpenSSL users are advised to upgrade to these updated packages, which
contain backported patches to mitigate the CVE-2014-3566 issue and correct
the CVE-2014-3513 and CVE-2014-3567 issues. For the update to take effect,
all services linked to the OpenSSL library (such as httpd and other
SSL-enabled services) 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/articles/11258

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

1152789 - CVE-2014-3566 openssl: Padding Oracle On Downgraded Legacy Encryption attack
1152953 - CVE-2014-3513 openssl: SRTP memory leak causes crash when using specially-crafted handshake message
1152961 - CVE-2014-3567 openssl: Invalid TLS/SSL session tickets could cause memory leak leading to server crash

6. Package List:

Red Hat Storage Server 2.1:

Source:
openssl-1.0.1e-30.el6_6.2.src.rpm

x86_64:
openssl-1.0.1e-30.el6_6.2.x86_64.rpm
openssl-debuginfo-1.0.1e-30.el6_6.2.x86_64.rpm
openssl-devel-1.0.1e-30.el6_6.2.x86_64.rpm
openssl-perl-1.0.1e-30.el6_6.2.x86_64.rpm
openssl-static-1.0.1e-30.el6_6.2.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/

7. References:

https://access.redhat.com/security/cve/CVE-2014-3513
https://access.redhat.com/security/cve/CVE-2014-3567
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/articles/1232123

8. Contact:

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

Copyright 2014 Red Hat, Inc.
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