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computer vulnerability bulletin CVE-2016-1301

Cisco ASA-CX, Prime Security Manager: privilege escalation via the password changing function

Synthesis of the vulnerability

An attacker can define the password of any user of of Cisco ASA and Prime Security Manager, in order to escalate his privileges.
Impacted software: ASA, Cisco PRSM.
Severity of this computer vulnerability: 3/4.
Consequences of an attack: administrator access/rights, privileged access/rights.
Attacker's origin: internet client.
Creation date: 04/02/2016.
Références of this announce: CERTFR-2016-AVI-047, cisco-sa-20160203-prsm, CVE-2016-1301, VIGILANCE-VUL-18868.

Description of the vulnerability

The products Cisco ASA and Prime Security Manager manage user accounts the password of which may be defined with a web service.

However, the code that implements the password changing function does not fully check the HTTP request, and some requests allow any user to define the password of any user, including the one for administrative accounts.

An attacker can therefore define the password of any user of of Cisco ASA and Prime Security Manager, in order to escalate his privileges.
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