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Category:   Application (E-mail Server)  >   Red Hat Enterprise MRG Messaging Vendors:   Red Hat
Red Hat Enterprise MRG Messaging Qpid Bug Lets Certain Remote Users Bypass Authentication
SecurityTracker Alert ID:  1026990
SecurityTracker URL:  http://securitytracker.com/id/1026990
CVE Reference:   CVE-2011-3620   (Links to External Site)
Updated:  Apr 30 2012
Original Entry Date:  Apr 30 2012
Impact:   Disclosure of system information, Disclosure of user information, Modification of user information, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2
Description:   A vulnerability was reported in Red Hat Enterprise MRG Messaging. A remote user can access cluster messages and view the internal configuration.

Qpid may accept arbitrary passwords and SASL mechanims. A remote user on the local private interconnect network with knowledge of a valid cluster name can gain access to the target cluster. The remote user can receive replicated messages to the cluster, send arbitrary cluster messages, mark any present message as consumed, run arbitrary jobs on the cluster, and view, modify, or create arbitrary user jobs. The remote user can view the internal Qpid/MRG configuration.

Impact:   A remote user can access cluster messages and view the internal configuration.
Solution:   The vendor has issued a fix.

The vendor's advisories are available at:

https://rhn.redhat.com/errata/RHSA-2012-0528.html
https://rhn.redhat.com/errata/RHSA-2012-0529.html

Vendor URL:  rhn.redhat.com/errata/RHSA-2012-0528.html (Links to External Site)
Cause:   Authentication error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  5, 6

Message History:   None.


 Source Message Contents

Subject:  [RHSA-2012:0528-01] Moderate: Red Hat Enterprise MRG Messaging 2.1 security and enhancement update

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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: Red Hat Enterprise MRG Messaging 2.1 security and enhancement update
Advisory ID:       RHSA-2012:0528-01
Product:           Red Hat Enterprise MRG for RHEL-6
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2012-0528.html
Issue date:        2012-04-30
CVE Names:         CVE-2011-3620 
=====================================================================

1. Summary:

Updated Messaging packages that resolve one security issue, fix multiple
bugs, and add various enhancements are now available for Red Hat Enterprise
MRG 2.1 for Red Hat Enterprise Linux 6.

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:

MRG Grid Execute Node for RHEL 6 ComputeNode v.2 - x86_64
MRG Grid Execute Node for RHEL 6 Server v.2 - i386, x86_64
MRG Grid for RHEL 6 Server v.2 - i386, x86_64
MRG Management for RHEL 6 ComputeNode v.2 - x86_64
MRG Management for RHEL 6 Server v.2 - i386, x86_64
Red Hat MRG Messaging for RHEL 6 Server v.2 - i386, noarch, x86_64

3. Description:

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
section.

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.

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/):

747078 - CVE-2011-3620 qpid-cpp: cluster authentication ignores cluster-* settings

6. Package List:

MRG Grid Execute Node for RHEL 6 ComputeNode v.2:

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/RHEMRG-RHEL6/SRPMS/condor-7.6.5-0.14.el6.src.rpm

x86_64:
condor-7.6.5-0.14.el6.x86_64.rpm
condor-classads-7.6.5-0.14.el6.x86_64.rpm
condor-debuginfo-7.6.5-0.14.el6.x86_64.rpm
condor-kbdd-7.6.5-0.14.el6.x86_64.rpm
condor-qmf-7.6.5-0.14.el6.x86_64.rpm
condor-vm-gahp-7.6.5-0.14.el6.x86_64.rpm

MRG Management for RHEL 6 ComputeNode v.2:

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/RHEMRG-RHEL6/SRPMS/sesame-1.0-5.el6.src.rpm

x86_64:
sesame-1.0-5.el6.x86_64.rpm
sesame-debuginfo-1.0-5.el6.x86_64.rpm

MRG Grid for RHEL 6 Server v.2:

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHEMRG-RHEL6/SRPMS/condor-7.6.5-0.14.el6.src.rpm
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHEMRG-RHEL6/SRPMS/sesame-1.0-5.el6.src.rpm

i386:
condor-7.6.5-0.14.el6.i686.rpm
condor-aviary-7.6.5-0.14.el6.i686.rpm
condor-classads-7.6.5-0.14.el6.i686.rpm
condor-debuginfo-7.6.5-0.14.el6.i686.rpm
condor-kbdd-7.6.5-0.14.el6.i686.rpm
condor-plumage-7.6.5-0.14.el6.i686.rpm
condor-qmf-7.6.5-0.14.el6.i686.rpm
sesame-1.0-5.el6.i686.rpm
sesame-debuginfo-1.0-5.el6.i686.rpm

x86_64:
condor-7.6.5-0.14.el6.x86_64.rpm
condor-aviary-7.6.5-0.14.el6.x86_64.rpm
condor-classads-7.6.5-0.14.el6.x86_64.rpm
condor-debuginfo-7.6.5-0.14.el6.x86_64.rpm
condor-kbdd-7.6.5-0.14.el6.x86_64.rpm
condor-plumage-7.6.5-0.14.el6.x86_64.rpm
condor-qmf-7.6.5-0.14.el6.x86_64.rpm
condor-vm-gahp-7.6.5-0.14.el6.x86_64.rpm
sesame-1.0-5.el6.x86_64.rpm
sesame-debuginfo-1.0-5.el6.x86_64.rpm

MRG Grid Execute Node for RHEL 6 Server v.2:

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHEMRG-RHEL6/SRPMS/condor-7.6.5-0.14.el6.src.rpm

i386:
condor-7.6.5-0.14.el6.i686.rpm
condor-classads-7.6.5-0.14.el6.i686.rpm
condor-debuginfo-7.6.5-0.14.el6.i686.rpm
condor-kbdd-7.6.5-0.14.el6.i686.rpm
condor-qmf-7.6.5-0.14.el6.i686.rpm

x86_64:
condor-7.6.5-0.14.el6.x86_64.rpm
condor-classads-7.6.5-0.14.el6.x86_64.rpm
condor-debuginfo-7.6.5-0.14.el6.x86_64.rpm
condor-kbdd-7.6.5-0.14.el6.x86_64.rpm
condor-qmf-7.6.5-0.14.el6.x86_64.rpm
condor-vm-gahp-7.6.5-0.14.el6.x86_64.rpm

MRG Management for RHEL 6 Server v.2:

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHEMRG-RHEL6/SRPMS/sesame-1.0-5.el6.src.rpm

i386:
sesame-1.0-5.el6.i686.rpm
sesame-debuginfo-1.0-5.el6.i686.rpm

x86_64:
sesame-1.0-5.el6.x86_64.rpm
sesame-debuginfo-1.0-5.el6.x86_64.rpm

Red Hat MRG Messaging for RHEL 6 Server v.2:

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHEMRG-RHEL6/SRPMS/qpid-cpp-0.14-14.el6_2.src.rpm
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHEMRG-RHEL6/SRPMS/qpid-java-0.14-3.el6.src.rpm
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHEMRG-RHEL6/SRPMS/qpid-jca-0.14-9.el6.src.rpm
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHEMRG-RHEL6/SRPMS/qpid-qmf-0.14-7.el6_2.src.rpm
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHEMRG-RHEL6/SRPMS/sesame-1.0-5.el6.src.rpm

i386:
qpid-cpp-client-devel-0.14-14.el6_2.i686.rpm
qpid-cpp-client-rdma-0.14-14.el6_2.i686.rpm
qpid-cpp-debuginfo-0.14-14.el6_2.i686.rpm
qpid-cpp-server-cluster-0.14-14.el6_2.i686.rpm
qpid-cpp-server-devel-0.14-14.el6_2.i686.rpm
qpid-cpp-server-rdma-0.14-14.el6_2.i686.rpm
qpid-cpp-server-store-0.14-14.el6_2.i686.rpm
qpid-cpp-server-xml-0.14-14.el6_2.i686.rpm
qpid-qmf-debuginfo-0.14-7.el6_2.i686.rpm
qpid-qmf-devel-0.14-7.el6_2.i686.rpm
sesame-1.0-5.el6.i686.rpm
sesame-debuginfo-1.0-5.el6.i686.rpm

noarch:
qpid-cpp-client-devel-docs-0.14-14.el6_2.noarch.rpm
qpid-java-client-0.14-3.el6.noarch.rpm
qpid-java-common-0.14-3.el6.noarch.rpm
qpid-java-example-0.14-3.el6.noarch.rpm
qpid-jca-0.14-9.el6.noarch.rpm
qpid-jca-xarecovery-0.14-9.el6.noarch.rpm

x86_64:
qpid-cpp-client-devel-0.14-14.el6_2.x86_64.rpm
qpid-cpp-client-rdma-0.14-14.el6_2.x86_64.rpm
qpid-cpp-debuginfo-0.14-14.el6_2.x86_64.rpm
qpid-cpp-server-cluster-0.14-14.el6_2.x86_64.rpm
qpid-cpp-server-devel-0.14-14.el6_2.x86_64.rpm
qpid-cpp-server-rdma-0.14-14.el6_2.x86_64.rpm
qpid-cpp-server-store-0.14-14.el6_2.x86_64.rpm
qpid-cpp-server-xml-0.14-14.el6_2.x86_64.rpm
qpid-qmf-debuginfo-0.14-7.el6_2.x86_64.rpm
qpid-qmf-devel-0.14-7.el6_2.x86_64.rpm
sesame-1.0-5.el6.x86_64.rpm
sesame-debuginfo-1.0-5.el6.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-2011-3620.html
https://access.redhat.com/security/updates/classification/#moderate
http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_MRG/2/html-single/Technical_Notes/index.html#RHSA-2012-0528

8. Contact:

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

Copyright 2012 Red Hat, Inc.
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