[RHSA-2013:0729-01] Moderate: haproxy security update

[bugzilla at redhat.com]

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                   Red Hat Security Advisory

Synopsis:          Moderate: haproxy security update
Advisory ID:       RHSA-2013:0729-01
Product:           Red Hat OpenShift Enterprise
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2013-0729.html
Issue date:        2013-04-09
CVE Names:         CVE-2013-1912 
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1. Summary:

An updated haproxy package that fixes one security issue is now available
for Red Hat OpenShift Enterprise 1.1.3.

The Red Hat Security Response Team 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 OpenShift Enterprise Node - x86_64

3. Description:

HAProxy provides high availability, load balancing, and proxying for TCP
and HTTP-based applications.

A buffer overflow flaw was found in the way HAProxy handled pipelined HTTP
requests. A remote attacker could send pipelined HTTP requests that would
cause HAProxy to crash or, potentially, execute arbitrary code with the
privileges of the user running HAProxy. This issue only affected systems
using all of the following combined configuration options: HTTP keep alive
enabled, HTTP keywords in TCP inspection rules, and request appending
rules. (CVE-2013-1912)

In Red Hat OpenShift Enterprise, the HAProxy cartridge is added to your
application when you select to have your application scaled. Due to the
way this cartridge is currently used in Red Hat OpenShift Enterprise, the
CVE-2013-1912 issue is not exploitable.

Red Hat would like to thank Willy Tarreau of HAProxy upstream for reporting
this issue. Upstream acknowledges Yves Lafon from the W3C as the original
reporter.

Users of Red Hat OpenShift Enterprise 1.1.3 are advised to upgrade to this
updated package, which contains a backported patch to correct this issue.

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/):

947581 - CVE-2013-1912 haproxy: rewrite rules flaw can lead to arbitrary code execution

6. Package List:

Red Hat OpenShift Enterprise Node:

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHOSE/SRPMS/haproxy-1.4.22-5.el6op.src.rpm

x86_64:
haproxy-1.4.22-5.el6op.x86_64.rpm
haproxy-debuginfo-1.4.22-5.el6op.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-2013-1912.html
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2013 Red Hat, Inc.
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