Microsoft .NET Framework CVE-2011-3415 Form Authentication URI Open Redirection Vulnerability

Bugtraq ID:	51202
Class:	Design Error
CVE:	CVE-2011-3415
Remote:	Yes
Local:	No
Published:	Dec 29 2011 12:00AM
Updated:	Nov 19 2013 12:43AM
Credit:	Irene Abezgauz of Seeker Research Center.
Vulnerable:	Microsoft .NET Framework 3.5.1 Microsoft .NET Framework 4.0 Microsoft .NET Framework 3.5 SP1 Microsoft .NET Framework 3.5 Microsoft .NET Framework 2.0 SP2 Microsoft .NET Framework 2.0 SP1 Microsoft .NET Framework 2.0 Microsoft .NET Framework 1.1 SP1 Avaya Messaging Application Server 5.2 Avaya Messaging Application Server 5 Avaya Messaging Application Server 4 Avaya Meeting Exchange - Webportal 0 Avaya Meeting Exchange - Web Conferencing Server 0 Avaya Meeting Exchange - Streaming Server 0 Avaya Meeting Exchange - Recording Server 0 Avaya Meeting Exchange - Client Registration Server 0 Avaya Meeting Exchange 5.0 .0.52 Avaya Meeting Exchange 5.2 SP2 Avaya Meeting Exchange 5.2 SP1 Avaya Meeting Exchange 5.2 Avaya Meeting Exchange 5.1 SP1 Avaya Meeting Exchange 5.1 Avaya Meeting Exchange 5.0 SP2 Avaya Meeting Exchange 5.0 SP1 Avaya Meeting Exchange 5.0 Avaya Communication Server 1000 Telephony Manager 4.0 Avaya Communication Server 1000 Telephony Manager 3.0 Avaya CallPilot 5.0 Avaya CallPilot 4.0 Avaya Aura Conferencing 6.0 Standard
Not Vulnerable:

Microsoft .NET Framework CVE-2011-3415 Form Authentication URI Open Redirection Vulnerability

Microsoft .NET Framework is prone to a URI open-redirection vulnerability because it fails to properly sanitize user-supplied input.

Successful exploits will redirect a user to a potentially malicious site; this could aid in phishing attacks.

Microsoft .NET Framework CVE-2011-3415 Form Authentication URI Open Redirection Vulnerability

To exploit this issue, an attacker must entice an unsuspecting user to follow a crafted URI.

The following example URI is available:

http://www.example.com/Login.aspx?ReturnURL=http://www.example1.com\

Microsoft .NET Framework CVE-2011-3415 Form Authentication URI Open Redirection Vulnerability

Solution:
Vendor updates are available. Please see the references for details.


Microsoft .NET Framework 2.0 SP2

• Microsoft Security Update for Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2003 and Windows X
  http://www.microsoft.com/downloads/details.aspx?familyid=eff633f7-abd9 -45cc-acbd-4885123dbed2


• Microsoft Security Update for Microsoft .NET Framework 2.0 Service Pack 2 on Windows Vista Service Pack 2 and
  http://www.microsoft.com/downloads/details.aspx?familyid=49050cf2-949a -40e5-b2ee-6257a3837294

Microsoft .NET Framework 3.5 SP1

• Microsoft Security Update for Microsoft .NET Framework 3.5 Service Pack 1 on Windows XP, Windows Server 2003,
  http://www.microsoft.com/downloads/details.aspx?familyid=306acd0a-bea2 -40dd-a639-f381587c9eb7


• Microsoft Security Update for Microsoft .NET Framework 3.5.1 on Windows 7 and Windows Server 2008 R2
  http://www.microsoft.com/downloads/details.aspx?familyid=2de28d32-1efd -4177-82e6-19a08266096c


• Microsoft Security Update for Microsoft .NET Framework 3.5.1 on Windows 7 Service Pack 1 and Windows Server 20
  http://www.microsoft.com/downloads/details.aspx?familyid=26e0b56d-9228 -49cf-9276-0741257567a9

Microsoft .NET Framework 4.0

• Microsoft Security Update for Microsoft .NET Framework 4
  http://www.microsoft.com/downloads/details.aspx?familyid=37a8fb34-e3ad -4605-980b-28361889ce72

Microsoft .NET Framework 1.1 SP1

• Microsoft Security Update for Microsoft .NET Framework 1.1 Service Pack 1 on Windows Server 2003 Service Pack
  http://www.microsoft.com/downloads/details.aspx?familyid=7538762a-50e9 -4f13-a60e-ff99aa8fbbf8


• Microsoft Security Update for Microsoft .NET Framework 1.1 Service Pack 1 on Windows XP, Windows Server 2003 (
  http://www.microsoft.com/downloads/details.aspx?familyid=471e1f51-c79c -4285-9f1e-aee1e4c4f189

Microsoft .NET Framework CVE-2011-3415 Form Authentication URI Open Redirection Vulnerability

References:

• .NET Framework Homepage (Microsoft)
  
• Insecure Redirect in .NET Form Authentication -Redirect From Login Mechanism (Seeker Research Center)
  
• ASA-2012-006 MS11-100 Vulnerability in ASP.NET Could Allow Denial of Service (26 (Avaya)
  
• Microsoft Security Bulletin MS11-100 - Critical (Microsoft)