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computer vulnerability note 20739

Jasig CAS Server: privilege escalation via statistics

Synthesis of the vulnerability

An attacker can use statistics pages of Jasig CAS Server, in order to escalate his privileges.
Impacted products: CAS Server.
Severity of this bulletin: 3/4.
Consequences of an intrusion: administrator access/rights, privileged access/rights, user access/rights, data reading.
Hacker's origin: intranet client.
Creation date: 30/09/2016.
Revision date: 25/10/2016.
Références of this threat: VIGILANCE-VUL-20739.

Description of the vulnerability

The Jasig CAS Server product offers a web service.

However, the following pages are public:
 - /statistics/ping
 - /statistics/threads
 - /statistics/metrics
 - /statistics/healthcheck
 - /statistics/ssosessions

An attacker can therefore use statistics pages of Jasig CAS Server, in order to escalate his privileges.
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