Exchange XEXCH50 Remote Buffer Overflow

This script is Copyright (C) 2003-2012 Digital Defense Inc.


Synopsis :

The remote mail server is prone to a buffer overflow or denial of
service attack.

Description :

The remote mail server appears to be running a version of the
Microsoft Exchange SMTP service that is vulnerable to a flaw in the
XEXCH50 extended verb. This flaw can be used to completely crash
Exchange 5.5 or to execute arbitrary code on Exchange 2000.

See also :

http://archives.neohapsis.com/archives/bugtraq/2003-10/0215.html
http://technet.microsoft.com/en-us/security/bulletin/ms03-046

Solution :

Apply the one of the workarounds listed in the vendor's advisory.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 6.2
(CVSS2#E:F/RL:OF/RC:C)
Public Exploit Available : true

Family: SMTP problems

Nessus Plugin ID: 11889 (exchange_xexch50_overflow.nasl)

Bugtraq ID: 8838

CVE ID: CVE-2003-0714