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Netasq, Stormshield Network Security: Man-in-the-Middle via NSRPC Client
Synthesis of the vulnerability
An attacker can act as a Man-in-the-Middle via NSRPC on Netasq or Stormshield Network Security, in order to obtain administrator privileges.
Vulnerable software: SNS, NETASQ.
Severity of this announce: 2/4.
Consequences of an intrusion: administrator access/rights, privileged access/rights, data reading, data creation/edition.
Attacker's origin: intranet server.
Creation date: 30/05/2016.
Références of this computer vulnerability: STORM-2016-001, VIGILANCE-VUL-19729.
Description of the vulnerability
The Netasq and Stormshield Network Security products use the NSRPC client.
However, an attacker can alter the size of NSRPC message, to perform a brute force, to get the administrator password hash.
An attacker can therefore act as a Man-in-the-Middle via NSRPC on Netasq or Stormshield Network Security, in order to obtain administrator privileges.
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