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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

Finger backdoor

Vulnerability Assessment Summary
Finger cmd_root@host backdoor

Detailed Explanation for this Vulnerability Assessment

The remote finger daemon seems to be a backdoor, as it seems to react to the
request :

cmd_rootsh@target

If a root shell has been installed as /tmp/.sh, then this finger daemon is
definitely a trojan, and this system has been compromised.

Solution: audit the integrity of this system, since it seems to have been
compromised.

Network Security Threat Level: High

Networks Security ID:

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

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