Ipswitch IMail Server IMAP LIST Command Remote Overflow DoS

This script is Copyright (C) 2005-2011 Tenable Network Security, Inc.


Synopsis :

The remote IMAP server is affected by a denial of service
vulnerability.

Description :

The remote host is running Ipswitch Collaboration Suite or IMail
Server, commercial messaging and collaboration suites for Windows.

The version of Ipswitch Collaboration Suite / IMail server installed
on the remote host contains an IMAP server that suffers from a denial
of service flaw. Using a specially crafted LIST command of around
8000 bytes, an authenticated attacker can crash the IMAP server on the
affected host, thereby denying service to legitimate users.

See also :

http://www.nessus.org/u?60ba29e7
http://www.ipswitch.com/support/ics/updates/ics202.asp
http://www.ipswitch.com/support/imail/releases/imail_professional/im822.asp

Solution :

Upgrade to Ipswitch Collaboration Suite 2.02 / IMail 8.22 or later.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 6.8
(CVSS2#E:H/RL:OF/RC:C)
Public Exploit Available : true

Family: Windows

Nessus Plugin ID: 20320 (ipswitch_imail_imapd_list_overflow.nasl)

Bugtraq ID: 15753

CVE ID: CVE-2005-2923

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