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Vulnerability of IBM WebSphere MQ: information disclosure via mqcertck

Synthesis of the vulnerability 

A privileged attacker can read mqcertck logs of IBM WebSphere MQ on IBM i, in order to obtain sensitive information.
Impacted products: WebSphere MQ.
Severity of this bulletin: 2/4.
Creation date: 07/06/2016.
Références of this threat: 1984557, CVE-2015-7462, VIGILANCE-VUL-19821.

Description of the vulnerability 

The IBM WebSphere MQ product offers the mqcertck tool, to diagnose TLS configurations.

However, an attacker can read mqcertck logs, to obtain the certificate keystore password.

A privileged attacker can therefore read mqcertck logs of IBM WebSphere MQ on IBM i, in order to obtain sensitive information.
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This security weakness impacts software or systems such as WebSphere MQ.

Our Vigil@nce team determined that the severity of this threat bulletin is medium.

The trust level is of type confirmed by the editor, with an origin of privileged shell.

An attacker with a expert ability can exploit this threat.

Solutions for this threat 

IBM WebSphere MQ for IBM i: version 8.0.0.5.
The version 8.0.0.5 is fixed:
  http://www.ibm.com/support/docview.wss?uid=swg27048144
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