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Vulnerability Assessment Details

UDP packets with source port of 53 bypass firewall rules

Vulnerability Assessment Summary
By-passes the remote firewall rules

Detailed Explanation for this Vulnerability Assessment

It is possible to by-pass the rules of the remote firewall
by sending UDP packets with a source port equal to 53.

A possible hacker may use this flaw to inject UDP packets to the remote
hosts, in spite of the existence of a firewall.

Solution : Review your firewall rules policy
Network Security Threat Level: High

Networks Security ID: 7436, 11237

Vulnerability Assessment Copyright: This script is Copyright (C) 2003 Tenable Network Security

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