Microsoft ASP.NET Authentication Bypass Elevation of Privilege (MS11-100; CVE-2011-3416)
| Check Point Reference: | CPAI-2012-012 | |
| Date Published: | ||
| Severity: | ||
| Source: | Microsoft Security Bulletin: MS11-100 | |
| Industry Reference(s): | CVE-2011-3416 | |
| Protection Provided by: |
Security Gateway
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| Who is Vulnerable? 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 SP3 Microsoft .NET Framework 1.1 SP2 Microsoft .NET Framework 1.1 SP1 Microsoft .NET Framework 1.1 | ||
| Vulnerability Description An elevation of privilege vulnerability has been reported in Microsoft ASP.NET. |
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Vulnerability Details The vulnerability is due to an error in the way that .NET Framework authenticates usernames. A remote unauthenticated attacker may exploit this vulnerability by sending a specially crafted web request to the ASP.NET application. To exploit this vulnerability, an attacker would need to be able to register an account on the ASP.NET application, and must know an existing account name for a targeted user. Successful exploitation could allow an attacker to take any action in the context of the targeted user, including executing arbitrary commands on the site. |
Protection Overview
This protection will detect and block the transferring of specially crafted web requests.
In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, Protection tab and select the version of your choice.
To configure the defense, select your product from the list below and follow the related protection steps.