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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 >> NIS >> bootparamd service


Vulnerability Assessment Details

bootparamd service

Vulnerability Assessment Summary
Checks the presence of a RPC service

Detailed Explanation for this Vulnerability Assessment

The bootparamd RPC service is running.
It is used by diskless clients to get
the necessary information needed to
boot properly.

If a possible hacker uses the BOOTPARAMPROC_WHOAMI
and provides the correct address of the client,
then he will get its NIS domain back from
the server. Once the attacker discovers the NIS domain
name, it may easily get your NIS password
file.


Solution : filter incoming traffic to prevent connections
to the portmapper and to the bootparam daemon,
or deactivate this service if you do not use it.

Network Security Threat Level: High

Networks Security ID:

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

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Discussions

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