Multiple Anti-Virus SMTP Message Long Line Parsing DoS

Medium Nessus Plugin ID 11270


The remote SMTP server is vulnerable to denial of service.


Some antivirus scanners die when they process an email with a long string without line breaks.

Such a message was sent. If there is an antivirus on your MTA, it might have crashed. Please check its status right now, as it is not possible to do it remotely


This plugin tests for a generic condition. It may be remedied by upgrading, reconfiguring, or changing your email antivirus solution.

Plugin Details

Severity: Medium

ID: 11270

File Name: smtp_too_long_line.nasl

Version: $Revision: 1.15 $

Type: remote

Published: 2003/02/25

Modified: 2016/12/09

Dependencies: 10263, 11038, 10262

Risk Information

Risk Factor: Medium


Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Information

Required KB Items: Settings/ParanoidReport