Kerio Connect < 8.1.0 SSL/TLS Information Disclosure

This script is Copyright (C) 2014 Tenable Network Security, Inc.


Synopsis :

The remote mail server is affected by file disclosure and corruption
vulnerabilities.

Description :

According to its banner, the remote host is running a version of Kerio
Connect (formerly known Kerio MailServer) prior to 8.1.0. It is,
therefore, affected by a vulnerability in the SSL 3.0 and TLS 1.0
implementation that could allow information disclosure if an attacker
intercepts encrypted web traffic served from an affected system.
Exploitation of this vulnerability is known as the 'BEAST' attack.

TLS 1.1, TLS 1.2, and all cipher suites that do not use CBC mode are
not affected.

See also :

http://www.kerio.com/connect/history/older

Solution :

Upgrade to Kerio Connect 8.1.0 or later.

Risk factor :

Medium / CVSS Base Score : 4.3
(CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N)
CVSS Temporal Score : 3.7
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: Misc.

Nessus Plugin ID: 72393 ()

Bugtraq ID: 49778

CVE ID: CVE-2011-3389