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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 >> Notes MTA denial


Vulnerability Assessment Details

Notes MTA denial

Vulnerability Assessment Summary
Crashes the remote SMTP server

Detailed Explanation for this Vulnerability Assessment

It was possible to perform a denial of service against the remote
SMTP server by sending it two HELO commands followed by a too long argument.


This problem permits a possible hacker to prevent your SMTP server from sending or
receiving emails, thus preventing you from working properly.

Solution : contact your vendor for a patch, or change your MTA.

Network Security Threat Level: Medium

Networks Security ID:

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

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