MS.IIS.WebDAV.Remote.Authentication.Bypass

description-logoDescription

This indicates an attack attempt to exploit an Authentication Bypass vulnerability in Microsoft Windows IIS server.
The vulnerability is caused by an error that occurs when the software handles a malicious WebDAV request. A remote attacker may exploit this to bypass authentication via a crafted HTTP request.

affected-products-logoAffected Products

Microsoft Internet Information Services 5.0
Microsoft Internet Information Services 5.1
Microsoft Internet Information Services 6.0

Impact logoImpact

Security Bypass: Remote attackers can bypass the security checking of vulnerable systems.

recomended-action-logoRecommended Actions

Refer to Microsoft Security Advisory 971492 for the suggested workaround:
http://www.microsoft.com/technet/security/advisory/971492.mspx

Telemetry logoTelemetry

Coverage

IPS (Regular DB)
IPS (Extended DB)