MS.ASP.Net.Forms.Authentication.Bypass

description-logoDescription

This indicates an attack attempt to exploit an Authentication Bypass vulnerability in Microsoft ASP.Net.
The vulnerability is due to insufficient sanitizing of user supplied inputs in the application allowing an attacker to escalate their privileges to the security context of the user they are targeting. As a result, an attacker may be able to execute arbitrary code within the security context of the targeted user.

affected-products-logoAffected Products

Microsoft .NET Framework 1.1 Service Pack 1
Microsoft .NET Framework 2.0 Service Pack 2
Microsoft .NET Framework 3.5 Service Pack 1
Microsoft .NET Framework 3.5.1
Microsoft .NET Framework 4.0

Impact logoImpact

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

recomended-action-logoRecommended Actions

Apply the most recent upgrade or patch from the vendor.
http://technet.microsoft.com/en-us/security/bulletin/ms11-100

Telemetry logoTelemetry

Coverage

IPS (Regular DB)
IPS (Extended DB)