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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

HP LaserJet display hack

Vulnerability Assessment Summary
Changes the printer's display

Detailed Explanation for this Vulnerability Assessment
It may be possible to
remotely change the printer's display
text. Please check the printer display,
and if it is set to 'Nessus' then the
test succeeded.

This attack can be used in addition
to social engineering tricks, so you
should fix this problem.

Solution : filter incoming packets to port 9001.

Network Security Threat Level: Low

Networks Security ID: 2245

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

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