Multiple MTA HELO Command Remote Overflow

The remote SMTP server seems to allow remote users to send mail anonymously by providing arguments that are too long to the HELO command more than 1024 chars. This problem may allow malicious users to send unsolicited mail i.e., SPAM or threatening mail using the server, and keep their anonymity....

smtp.acct.probing.txt

http://www.l8r.com/nwa/nwa1.htm Network Abuse Information SMTP Server abuse Software: GeoList Pro Author: www.earthonline.com SPECIAL UPDATE: 03/08/99 GeoList Pro is being pulled from distribution. Details can be found at EarthOnline's Site. Use the URL above. Jump to Updates Original Posting:...

qmail-DoS-anonymous.txt

Date: Tue, 5 Jan 1999 22:41:44 -0000 From: D. J. Bernstein To: [email protected] Subject: Re: Anonymous Qmail Denial of Service News flash: There are dozens of denial-of-service attacks on every MTA. Example: Any Internet user can create a continuing torrent of mail from random Internet...

MDaemon SMTP HELO Command Remote Overflow DoS

It was possible to crash the remote SMTP server by sending a too long argument to the HELO command. This allows an unauthenticated, remote attacker to deny service to legitimate users of the server. It may also indicate the service is affected by a buffer overflow vulnerability which, if true,...

MTA Open Mail Relaying Allowed

Nessus has detected that the remote SMTP server allows mail relaying. This issue allows any spammer to use your mail server to send their mail to the world, thus flooding your network bandwidth and possibly getting your mail server blacklisted. C Tenable Network Security, Inc. include'compat.inc'...

Lotus Notes SMTP Server HELO Command Overflow DoS

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 allows an unauthenticated, remote attacker to deny service to legitimate users of the server. C Tenable Network Security, Inc. include"compat.inc";...

CVE-1999-0404

Buffer overflow in the Mail-Max SMTP server for Windows systems allows remote command execution...

Dan Bernstein QMail 1.0 3 - RCPT Denial of Service (2)

// source: https://www.securityfocus.com/bid/2237/info qmail is an e-mail server package developed by Dan Bernstein. The qmail smtp server is subject to a denial of service. By specifying a large number of addresses in the recipient field RCPT, qmail will stop responding. This behaviour is due to...