WEB_IIS nsiislog.dll access

 

Code: p1193

Severity: Warning

 

Description: This event is generated when an attempt is made to access nsiislog.dll on a host running Microsoft Internet Information Server (IIS).

Impact: Possible buffer overrun leading to arbitrary code execution.

Corrective: Upgrade to the latest non-affected version of the software. Check the IIS implementation on the host. Ensure all measures have been taken to deny access to sensitive files. Ensure that the IIS implementation is fully patched. Ensure that the underlying operating system is fully patched. Employ strategies to harden the IIS implementation and operating system. Check the host for signs of compromise.