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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2012:0528
The remote host is missing updates announced in
advisory RHSA-2012:0528.

Red Hat Enterprise MRG (Messaging, Realtime, and Grid) is a next-generation
IT infrastructure for enterprise computing. MRG offers increased
performance, reliability, interoperability, and faster computing for
enterprise customers.

MRG Messaging is a high-speed reliable messaging distribution for Linux
based on AMQP (Advanced Message Queuing Protocol), an open protocol
standard for enterprise messaging that is designed to make mission critical
messaging widely available as a standard service, and to make enterprise
messaging interoperable across platforms, programming languages, and
vendors. MRG Messaging includes an AMQP 0-10 messaging broker
AMQP 0-10
client libraries for C++, Java JMS, and Python
as well as persistence
libraries and management tools.

It was found that Qpid accepted any password or SASL mechanism, provided
the remote user knew a valid cluster username. This could give a remote
attacker unauthorized access to the cluster, exposing cluster messages and
internal Qpid/MRG configurations. (CVE-2011-3620)

Note: If you are using an ACL, the cluster-username must be allowed to
publish to the qpid.cluster-credentials exchange. For example, if your
cluster-username is foo, in your ACL file:

acl allow foo@QPID publish exchange name=qpid.cluster-credentials

The CVE-2011-3620 fix changes the cluster initialization protocol. As such,
the cluster with all new version brokers must be restarted for the changes
to take effect. Refer below for details.

These updated packages provide numerous enhancements and bug fixes for the
Messaging component of MRG. Space precludes documenting all of these
changes in this advisory. Documentation for these changes will be available
shortly in the Technical Notes document linked to in the References

All users of the Messaging capabilities of Red Hat Enterprise MRG 2.1 are
advised to upgrade to these updated packages, which resolve the issues and
add the enhancements noted in the Red Hat Enterprise MRG 2 Technical Notes.
After installing the updated packages, stop the cluster by either running
service qpidd stop on all nodes, or qpid-cluster --all-stop on any one
of the cluster nodes. Once stopped, restart the cluster with
service qpidd start on all nodes for the update to take effect.

Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

Risk factor : Medium

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2011-3620
CopyrightCopyright (c) 2012 E-Soft Inc.

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