Synopsis :

Arbitrary code can be executed on the remote host due to a flaw in the
Plug-And-Play service.

Description :

The remote version of Windows contains a flaw in the function
'PNP_QueryResConfList()' in the Plug and Play service that may allow
an attacker to execute arbitrary code on the remote host with SYSTEM
privileges.

A series of worms (Zotob) are known to exploit this vulnerability in
the wild.

Solution :

Microsoft has released a set of patches for Windows 2000, XP and
2003 :

http://technet.microsoft.com/en-us/security/bulletin/ms05-039

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 8.3
(CVSS2#E:F/RL:OF/RC:C)
Public Exploit Available : true