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Vulnerability of WebSphere AS: information disclosure via HttpSessionIdReuse

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via HttpSessionIdReuse of WebSphere AS, in order to obtain sensitive information.
Vulnerable software: WebSphere AS Traditional, IBM WebSphere ESB.
Severity of this announce: 2/4.
Creation date: 17/08/2016.
Références of this computer vulnerability: 1982588, 1989628, 7014463, CVE-2016-0385, VIGILANCE-VUL-20407.

Description of the vulnerability 

An attacker can bypass access restrictions to data via HttpSessionIdReuse of WebSphere AS, in order to obtain sensitive information.
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This computer vulnerability alert impacts software or systems such as WebSphere AS Traditional, IBM WebSphere ESB.

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

The trust level is of type confirmed by the editor, with an origin of intranet client.

An attacker with a expert ability can exploit this security vulnerability.

Solutions for this threat 

WebSphere AS: solution for HttpSessionIdReuse.
The solution is indicated in information sources.

IBM WebSphere Application Server: version 7.0.0.43.
The version 7.0.0.43 is fixed.

WebSphere Enterprise Service Bus: solution for WebSphere AS.
The solution is indicated in information sources.
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Vigil@nce provides computer security bulletins. The Vigil@nce team tracks computer vulnerabilities impacting systems and applications.