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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.


Home >> Browse Vulnerability Assessment Database >> Denial of Service >> spank.c


Vulnerability Assessment Details

spank.c

Vulnerability Assessment Summary
Sends a TCP packet from a multicast address

Detailed Explanation for this Vulnerability Assessment

Your machine answers to TCP packets that are coming from a multicast
address. This is known as the 'spank' denial of service attack.

A possible hacker might use this flaw to shut down this server and
saturate your network, thus preventing you from working properly.
This also could be used to run stealth scans against your machine.

Solution : contact your operating system vendor for a patch.
Filter out multicast addresses (224.0.0.0/4)

Network Security Threat Level: Medium

Networks Security ID:

Vulnerability Assessment Copyright: This script is Copyright (C) 2003 Michel Arboi

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Discussions

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