Internet Information Services 5.0-6.0 - Denial of Service via WebDAV PROPFIND XML Attribute Flood
The WebDAV Message Handler for Internet Information Services (IIS) 5.0, 5.1, and 6.0 allows remote attackers to cause a denial of service (memory and CPU exhaustion, application crash) via a PROPFIND request with an XML message containing XML elements with a large number of attributes.