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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.


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Vulnerability Assessment Details

walld service

Vulnerability Assessment Summary
Checks the presence of a RPC service

Detailed Explanation for this Vulnerability Assessment

The walld RPC service is running. It is usually used by the administrator
to tell something to the users of a network by making a message appear
on their screen.

Since this service lacks any kind of authentication, a possible hacker
may use it to trick users into doing something (change their password,
leave the console, or worse), by sending a message which would appear to be
written by the administrator.

It can also be used as a denial of service attack, by continually sending
garbage to the users screens, preventing them from working properly.

Solution : Disable this service.
Network Security Threat Level: Medium

Networks Security ID:

Vulnerability Assessment Copyright: This script is Copyright (C) 1999 Renaud Deraison

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