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Home >> Browse Vulnerability Assessment Database >> SMTP problems >> XTramail MTA 'HELO' denial


Vulnerability Assessment Details

XTramail MTA 'HELO' denial

Vulnerability Assessment Summary
Overflows the remote SMTP server

Detailed Explanation for this Vulnerability Assessment
There is a buffer overflow
when this MTA is issued the 'HELO' command
passed by an argument that is too long.

The HELO command is typically one of the first
commands required by a mail server. The command
is used by the mail server as a first attempt to
permit the client to identify itself. As such, this
command occurs before there is any authentication
or validation of mailboxes, etc.

This problem may permit a possible hacker to
execute arbitrary code on this computer,
or to disable your ability to send or
receive emails.

Solution : contact your vendor for a patch.

Network Security Threat Level: High

Networks Security ID: 791

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

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