IBM WebSphere MQ client connection buffer overflow

websphere-mq-clientconnection-bo (50641) The risk level is classified as MediumMedium Risk

Description:

The WebSphere MQ queue manager is vulnerable to a buffer overflow, caused by improper bounds checking when handling certain client requests. By sending a specially-crafted request via the WebSphere MQ client, a remote attacker could trigger a buffer overflow and execute arbitrary code on the system with elevated privileges or cause the application to crash.

Note: This vulnerability can not be exploited on queue managers secured with security exits or authentication through SSL, unless an attacker has valid authentication credentials or a valid SSL certificate.

IBM acknowledges the assistance of MWR InfoSecurity Limited for the reporting and diagnosis of this problem.IBM3


Consequences:

Gain Access

Remedy:

For WebSphere MQ 6.0:
Apply the latest Fix Pack (6.0.2.7 or later), APAR IZ50784, or APAR PK87106. See References.

For WebSphere MQ 7.0:
Apply the latest Fix Pack (7.0.1.0 or later), APAR IZ50784, or APAR PK87106. See References.

References:

  • IBM Support & downloads: Interim fix for Security Vulnerability APAR IZ50784.
  • BID-35170: IBM WebSphere MQ Remote Buffer Overflow Vulnerability
  • CVE-2009-0896: Buffer overflow in the queue manager in IBM WebSphere MQ 6.x before 6.0.2.7 and 7.x before 7.0.1.0 allows remote attackers to execute arbitrary code via a crafted request.
  • SA35303: IBM WebSphere MQ Buffer Overflow Vulnerability
  • SECTRACK ID: 1022311: IBM WebSphere MQ Buffer Overflow Lets Remote Users Execute Arbitrary Code
  • VUPEN/ADV-2009-1463: IBM WebSphere MQ Data Handling Buffer Overflow Vulnerability

Platforms Affected:

  • IBM WebSphere MQ 6.0
  • IBM WebSphere MQ 7.0

Reported:

May 20, 2009

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