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Home >> Browse Vulnerability Assessment Database >> Denial of Service >> Kerio MailServer IMAP Server Login Command Denial of Service Vulnerability


Vulnerability Assessment Details

Kerio MailServer IMAP Server Login Command Denial of Service Vulnerability

Vulnerability Assessment Summary
Checks how KMS IMAP server responds to login requests

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote IMAP server is prone to denial of service attacks.

Description :

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

The installed version of Kerio MailServer terminates abnormally when
it receives certain malformed IMAP LOGIN commands. An unauthenticated
remote attacker can exploit this issue to deny access to legitimate
users.

Note that the application may not terminate immediately but only after
an administrator acknowledges a console message.

See also :

http://lists.grok.org.uk/pipermail/full-disclosure/2006-March/043567.html
http://www.kerio.com/kms_history.html

Solution :

Upgrade to Kerio MailServer 6.1.3 Patch 1 or later.

Network Security Threat Level:

Low / CVSS Base Score : 3.3
(AV:R/AC:L/Au:NR/C:N/I:N/A:C/B:N)

Networks Security ID: 17043

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

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