IBM WebSphere MQ Subject DN spoofing

websphere-mq-subjectdn-spoofing (60018) The risk level is classified as MediumMedium Risk

Description:

IBM WebSphere MQ could allow a remote attacker to spoof their identity by use of specific Subject DN values in constructing a digital certificate. An attacker could exploit this vulnerability to access a channel, which could be used to launch further attacks against the affected system through sending or receiving messages on the channel.IBM3

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 3.2
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Other

Remedy:

For WebSphere MQ 6.0:
Apply the latest Fix Pack (6.0.2.10 or later) or APAR IZ68707. See References.

For WebSphere MQ 7.0:
Apply the latest Fix Pack (7.0.1.3 or later) or APAR IZ68707. See References.

References:

  • IBM APAR IZ68707: Channel SSLPEER matching gives incorrect results in rare circumstances.
  • BID-44342: IBM WebSphere MQ Subject Distinguished Name (DN) X.509 Certificate Spoofing Vulnerability
  • CVE-2010-0782: IBM WebSphere MQ 6.x before 6.0.2.10 and 7.x before 7.0.1.3 allows remote attackers to spoof X.509 certificate authentication, and send or receive channel messages, via a crafted Subject Distinguished Name (DN) value in a certificate.
  • OSVDB ID: 68754: IBM WebSphere MQ X.509 Certificate Crafted Subject Distinguished Name (DN) Spoofing Weakness
  • SA41993: IBM WebSphere MQ Certificate Spoofing Vulnerability

Platforms Affected:

  • IBM WebSphere MQ 6.0
  • IBM WebSphere MQ 7.0

Reported:

Oct 01, 2010

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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.

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