MailEnable SMTP Server HELO Command Remote DoS

medium Nessus Plugin ID 21771

Synopsis

The remote SMTP server is susceptible to a denial of service attack.

Description

The remote host is running MailEnable, a commercial mail server for Windows.

According to the version number in its banner, the SMTP server bundled with the installation of MailEnable on the remote host will crash when handling malformed HELO commands. An unauthenticated attacker may be able to leverage this issue to deny service to legitimate users.

Solution

Apply the ME-10013 hotfix.

See Also

http://www.mailenable.com/hotfix/

http://www.divisionbyzero.be/?p=173

http://www.divisionbyzero.be/?p=174

https://www.securityfocus.com/archive/1/438374/30/0/threaded

https://seclists.org/fulldisclosure/2006/Jun/810

Plugin Details

Severity: Medium

ID: 21771

File Name: mailenable_smtp_helo_dos.nasl

Version: 1.19

Type: remote

Published: 6/28/2006

Updated: 11/15/2018

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

Vulnerability Information

CPE: cpe:/a:mailenable:mailenable

Required KB Items: Settings/ParanoidReport

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 6/24/2006

Reference Information

CVE: CVE-2006-3277

BID: 18630