GEN:SID 1:2436
Message WEB-CLIENT Microsoft wmf metafile access
Summary This event is generated when an attempt is made to access a file type
that may be subject to a known vulnerability in Microsoft Windows Explorer.
Impact Denial of Service (DoS) possible execution of arbitrary code.
Detailed Information When processing Windows Extended Metafile Format (.emf) files, Windows
Explorer sets a buffer size based on information in the header for the
file. If a malformed header is sent, it may be possible for an attacker
to cause a DoS condition to occur. It may also be possible for an
attacker to execute code of their choosing on a vulnerable host.

This issue may also affect Microsoft Windows Metafile Format (.wmf)
files also.
Affected Systems Microsoft Windows XP Home, Professional and Media Center Edition
    Microsoft Windows XP Home and Professional SP-1
Attack Scenarios An attacker might supply a specially crafted request for such a file
that might cause the error condiion to occur.
Ease of Attack Moderate/Difficult
Corrective Action Apply the appropriate vendor supplied patches
Additional References  
Rule References bugtraq: 10120
bugtraq: 9707
cve: 2003-0906