=====================================================================
                                   CERT-Renater

                        Note d'Information No. 2011/VULN041
_____________________________________________________________________

DATE                      : 20/01/2011

HARDWARE PLATFORM(S)      : /

OPERATING SYSTEM(S)       : Systems running IBM WebSphere MQ.

======================================================================
http://xforce.iss.net/xforce/xfdb/64628
______________________________________________________________________

IBM WebSphere MQ message header buffer overflow

wmq-messageheader-bo (64628) 	The risk level is classified as High
High Risk

Description:

IBM WebSphere MQ is vulnerable to a buffer overflow, caused by improper
bounds checking during message handling. By sending a message contain
a specially-crafted header field, a remote attacker could overflow a
buffer and execute arbitrary code on the system with MQM privileges
or cause the application to crash.IBM3

*CVSS:
Base Score: 	6.8
  Access Vector: 	Network
  Access Complexity: 	Medium
  Authentication: 	None
  Confidentiality Impact: 	Partial
  Integrity Impact: 	Partial
  Availability Impact: 	Partial

Temporal Score: 	5
  Exploitability: 	Unproven
  Remediation Level: 	Official-Fix
  Report Confidence: 	Confirmed

Consequences:

Gain Access

Remedy:

For WebSphere MQ 7.0:
Apply the latest Fix Pack (7.0.1.4 or later) or APAR IZ77607.


See References.

References:

    * IBM APAR IZ77607: Fixes by version for WebSphere MQ.
    * CVE-2011-0310: Buffer overflow in IBM WebSphere MQ 7.0
before 7.0.1.4 allows remote attackers to execute arbitrary
code or cause a denial of service (application crash) via a
crafted header field in a message.
    * VUPEN/ADV-2011-0128: IBM WebSphere MQ Message Handling
Buffer Overflow Vulnerability

Platforms Affected:

    * IBM WebSphere MQ 7.0

Reported:

Jan 12, 2011

The information within this database may change without notice.
Use of this information constitutes acceptance for use in an
AS IS condition. There are NO warranties, implied or otherwise,
with regard to this information or its use. Any use of this
information is at the user's risk. In no event shall the
author/distributor (IBM Internet Security Systems X-Force) be
held liable for any damages whatsoever arising out of or in
connection with the use or spread of this information.

For corrections or additions please email iss-xfdbresearch-8f-iss

Return to the main page

* According to the Forum of Incident Response and Security Teams
(FIRST), the Common Vulnerability Scoring System (CVSS) is an
"industry open standard designed to convey vulnerability severity
and help to determine urgency and priority of response." IBM
PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND,
INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR
ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY
VULNERABILITY.
The information within this database may change without notice.
Use of this information constitutes acceptance for use in an
AS IS condition. There are NO warranties, implied or otherwise,
with regard to this information or its use. Any use of this
information is at the user's risk. In no event shall IBM be
held liable for any damages whatsoever arising out of or in
connection with the use or spread of this information.

About IBM Internet Security Systems
IBM Internet Security Systems is a trusted security advisor to
thousands of the world's leading businesses and governments,
helping to provide pre-emptive protection for networks,
desktops and servers. The IBM Proventia? integrated security
platform is designed to automatically protect against both
known and unknown threats, helping to keep networks up and
running and shield customers from online attacks before
they impact business assets. IBM Internet Security Systems
products and services are based on the proactive security
intelligence of its X-Force? research and development team ?
an unequivocal world authority in vulnerability and threat
research. The IBM Internet Security Systems product line
is also complemented by comprehensive Managed Security Services
and Professional Security Services. For more information,
visit the IBM Internet Security Systems Web site at
www.iss.net or call 800-776-2362.


======================================================================

          =========================================================
          Les serveurs de référence du CERT-Renater
          http://www.urec.fr/securite
          http://www.cru.fr/securite
          http://www.renater.fr
          =========================================================
          + CERT-RENATER          | tel : 01-53-94-20-44          +
          + 23 - 25 Rue Daviel    | fax : 01-53-94-20-41          +
          + 75013 Paris           | email: certsvp@renater.fr     +
          =========================================================