The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a database and tools to fix them.

computer vulnerability note 19729

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.
Full Vigil@nce bulletin... (Free trial)

Computer vulnerabilities tracking service

Vigil@nce provides a computers vulnerabilities watch. The Vigil@nce team tracks computer vulnerabilities impacting systems and applications. The Vigil@nce vulnerability database contains several thousand vulnerabilities. The Vigil@nce security watch publishes vulnerability bulletins about threats impacting the information system.