Citadel/UX USER Command Remote Overflow

This script is Copyright (C) 2004-2011 Tenable Network Security, Inc.


Synopsis :

The remote messaging service has a buffer overflow vulnerability.

Description :

The remote host is running Citadel/UX, a messaging server for Unix.

There is a buffer overflow in the remote version of this software
that could be exploited by a remote attacker to create a denial of
service, or execute arbitrary code.

To exploit this flaw, an attacker would need to provide a specially
crafted argument to the USER command.

See also :

http://archives.neohapsis.com/archives/bugtraq/2004-07/0337.html

Solution :

Upgrade to Citadel 6.24 or later.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 9.0
(CVSS2#E:F/RL:W/RC:C)
Public Exploit Available : true

Family: Gain a shell remotely

Nessus Plugin ID: 13856 (citadel_overflow.nasl)

Bugtraq ID: 10833

CVE ID: CVE-2004-1705