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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 >> SLMail:27 denial of service


Vulnerability Assessment Details

SLMail:27 denial of service

Vulnerability Assessment Summary
VRFY aaaaa(...)aaa crashes the remote MTA

Detailed Explanation for this Vulnerability Assessment
It was possible to perform a denial
of service against the remote SMTP server by
sending a too long argument to the VRFY command on
port 27.

This problem permits a possible hacker to bring down
your mail system, preventing you from sending
and receiving emails.


Solution : Update your MTA, or change it.

Network Security Threat Level: High

Networks Security ID:

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

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