WEB_IIS WebDAV file lock attempt

 

Code: p1116

Severity: Warning

 

Description: This event is generated when an attempt is made to request a file by the HTTP LOCK method.

Impact: Denial of service. Repeated successful attempts can consume all CPU resources subsequently crashing the victim server.

Corrective: Consider using the IIS Lockdown Tool to disable WebDAV if it is not necessary. Download and install the appropriate patch mentioned in the Microsoft bulletin.