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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2012:1277
The remote host is missing updates announced in
advisory RHSA-2012:1277.

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 discovered that the Apache Qpid daemon (qpidd) did not allow the
number of connections from clients to be restricted. A malicious client
could use this flaw to open an excessive amount of connections, preventing
other legitimate clients from establishing a connection to qpidd.

To address CVE-2012-2145, new qpidd configuration options were introduced:
max-negotiate-time defines the time during which initial protocol
negotiation must succeed, connection-limit-per-user and
connection-limit-per-ip can be used to limit the number of connections per
user and client host IP. Refer to the qpidd manual page for additional

It was discovered that qpidd did not require authentication for catch-up
shadow connections created when a new broker joins a cluster. A malicious
client could use this flaw to bypass client authentication. (CVE-2012-3467)

This update also fixes multiple bugs and adds enhancements. Documentation
for these changes will be available shortly from the Technical Notes
document linked to in the References section.

All users of the Messaging capabilities of Red Hat Enterprise MRG 2.2 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-2012-2145
BugTraq ID: 55608
RedHat Security Advisories: RHSA-2012:1269
RedHat Security Advisories: RHSA-2012:1277
XForce ISS Database: apache-qpid-broker-dos(78730)
Common Vulnerability Exposure (CVE) ID: CVE-2012-3467
BugTraq ID: 54954
RedHat Security Advisories: RHSA-2012:1279
XForce ISS Database: apache-qpid-broker-sec-bypass(77568)
CopyrightCopyright (c) 2012 E-Soft Inc.

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