Vulnerability Assessment & Network Security Forums

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 >> Kerio MailServer < 6.3.1 Denial of Service Vulnerability

Vulnerability Assessment Details

Kerio MailServer < 6.3.1 Denial of Service Vulnerability

Vulnerability Assessment Summary
Checks version of KMS SMTP server

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote LDAP server is prone to a denial of service attack.

Description :

The remote host is running Kerio MailServer, a commercial mail server
available for Windows, Linux, and Mac OS X platforms.

According to its banner, the LDAP service associated with the
installed version of Kerio MailServer terminates abnormally when it
receives certain malformed LDAP search requests. An unauthenticated
remote attacker can exploit this issue to deny access to legitimate
users.

See also :

http://www.securityfocus.com/archive/1/454455/30/0/threaded
http://forums.kerio.com/index.php?t=msg&th=10321&start=0

Solution :

Upgrade to Kerio MailServer 6.3.1 or later.

Network Security Threat Level:

Low / CVSS Base Score : 2.3
(AV:R/AC:L/Au:NR/C:N/I:N/A:P/B:N)

Networks Security ID: 21091

Vulnerability Assessment Copyright: This script is Copyright (C) 2006 Tenable Network Security

Cables, Connectors