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MS.ASP.NET.Form.Authentication.Insecure.Redirect

Release Date

Jan 11, 2012

Severity

medium

Impact

Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.

Description

This indicates an attack attempt against a URL Spoofing vulnerability in Microsoft ASP.NET.

The vulnerability is caused by an error when the vulnerable software handles insecure redirect url. It allows a remote attacker to gain sensitive information from vulnerable systems by sending a crafted return url.

Affected Products

Microsoft .NET Framework 2.0 Service Pack 2 when installed on Windows XP Service Pack 3
Microsoft .NET Framework 2.0 Service Pack 2 when installed on Windows XP Professional x64 Edition Service Pack 2
Microsoft .NET Framework 2.0 Service Pack 2 when installed on Windows Server 2003 Service Pack 2
Microsoft .NET Framework 2.0 Service Pack 2 when installed on Windows Server 2003 x64 Edition Service Pack 2
Microsoft .NET Framework 2.0 Service Pack 2 when installed on Windows Server 2003 with SP2 for Itanium-based Systems
Microsoft .NET Framework 2.0 Service Pack 2 when installed on Windows Vista Service Pack 2
Microsoft .NET Framework 2.0 Service Pack 2 when installed on Windows Vista x64 Edition Service Pack 2
Microsoft .NET Framework 2.0 Service Pack 2 when installed on Windows Server 2008 for 32-bit Systems Service Pack 2
Microsoft .NET Framework 2.0 Service Pack 2 when installed on Windows Server 2008 for x64-based Systems Service Pack 2
Microsoft .NET Framework 2.0 Service Pack 2 when installed on Windows Server 2008 for Itanium-based Systems Service Pack 2
Microsoft .NET Framework 3.5 Service Pack 1 when installed on Windows XP Service Pack 3
Microsoft .NET Framework 3.5 Service Pack 1 when installed on Windows XP Professional x64 Edition Service Pack 2
Microsoft .NET Framework 3.5 Service Pack 1 when installed on Windows Server 2003 Service Pack 2
Microsoft .NET Framework 3.5 Service Pack 1 when installed on Windows Server 2003 x64 Edition Service Pack 2
Microsoft .NET Framework 3.5 Service Pack 1 when installed on Windows Server 2003 with SP2 for Itanium-based Systems
Microsoft .NET Framework 3.5 Service Pack 1 when installed on Windows Vista Service Pack 2
Microsoft .NET Framework 3.5 Service Pack 1 when installed on Windows Vista x64 Edition Service Pack 2
Microsoft .NET Framework 3.5 Service Pack 1 when installed on Windows Server 2008 for 32-bit Systems Service Pack 2
Microsoft .NET Framework 3.5 Service Pack 1 when installed on Windows Server 2008 for x64-based Systems Service Pack 2
Microsoft .NET Framework 3.5 Service Pack 1 when installed on Windows Server 2008 for Itanium-based Systems Service Pack 2
Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems and Windows 7 for 32-bit Systems Service Pack 1
Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems and Windows 7 for x64-based Systems Service Pack 1
Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems and Windows Server 2008 R2 for x64-based Systems Service Pack 1
Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for Itanium-based Systems and Windows Server 2008 R2 for Itanium-based Systems Service Pack 1
Microsoft .NET Framework 4.0 on Windows XP Service Pack 3
Microsoft .NET Framework 4.0 on Windows XP Professional x64 Edition Service Pack 2
Microsoft .NET Framework 4.0 on Windows Server 2003 Service Pack 2
Microsoft .NET Framework 4.0 on Windows Server 2003 x64 Edition Service Pack 2
Microsoft .NET Framework 4.0 on Windows Server 2003 with SP2 for Itanium-based Systems
Microsoft .NET Framework 4.0 on Windows Vista Service Pack 2
Microsoft .NET Framework 4.0 on Windows Vista x64 Edition Service Pack 2
Microsoft .NET Framework 4.0 on Windows Server 2008 for 32-bit Systems Service Pack 2
Microsoft .NET Framework 4.0 on Windows Server 2008 for x64-based Systems Service Pack 2
Microsoft .NET Framework 4.0 on Windows Server 2008 for Itanium-based Systems Service Pack 2
Microsoft .NET Framework 4.0 on Windows 7 for 32-bit Systems and Windows 7 for 32-bit Systems Service Pack 1
Microsoft .NET Framework 4.0 on Windows 7 for x64-based Systems and Windows 7 for x64-based Systems Service Pack 1
Microsoft .NET Framework 4.0 on Windows Server 2008 R2 for x64-based Systems
Microsoft .NET Framework 4.0 on Windows Server 2008 R2 for x64-based Systems Service Pack 1
Microsoft .NET Framework 4.0 on Windows Server 2008 R2 for Itanium-based Systems and Windows Server 2008 R2 for Itanium-based Systems Service Pack 1

Recommended Actions

Refer to the vendor's web site for suggested workaround:
http://www.microsoft.com/technet/security/Bulletin/ms11-100.mspx

Coverage

IPS
VCM

Common Vulnerabilities and Exposures (CVE)

CVE-2011-3415

Reference/s

http://technet.microsoft.com/en-us/security/bulletin/ms11-100.mspx (MS-ID)

Reference: VID-30715