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MS.ASP.NET.Request.Object.DoS

Release Date

Jan 05, 2012

Severity

high

Impact

Denial of Service: Remote attackers can crash vulnerable systems.

Description

This indicates an attack attempt against a Denial of Service vulnerability in Microsoft ASP.NET.

The vulnerability is caused by an error when the vulnerable software handles overly large HTTP POST requests. It allows a remote attacker to crash vulnerable systems by sending a crafted http request.

Affected Products

Windows XP Service Pack 3
Windows XP Professional x64 Edition Service Pack 2
Windows Server 2003
Windows Server 2003 Service Pack 2
Windows Server 2003 x64 Edition Service Pack 2
Windows Server 2003 with SP2 for Itanium-based Systems
Windows Vista Service Pack 2
Windows Vista x64 Edition Service Pack 2
Windows Server 2008
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for Itanium-based Systems Service Pack 2
Windows 7 for 32-bit Systems
Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems
Windows 7 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for Itanium-based Systems
Windows Server 2008 R2 for Itanium-based Systems Service Pack 1
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 4

Recommended Actions

Refer to the vendor's web site for suggested workaround.
http://technet.microsoft.com/en-us/security/advisory/2659883

Coverage

IPS
VCM

Common Vulnerabilities and Exposures (CVE)

CVE-2011-3414

Reference/s

https://github.com/HybrisDisaster/aspHashDoS
http://technet.microsoft.com/en-us/security/advisory/2659883
http://technet.microsoft.com/en-us/security/bulletin/MS11-100.mspx (MS-ID)

Reference: VID-30710