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More vulnerabilities solved than just the ASP.NET hash collision DoS: Microsoft Security Bulletin MS11-100 – Critical : Vulnerabilities in .NET Framework Could Allow Elevation of Privilege (2638420)

Posted by jpluimers on 2011/12/29

In addition to the ASP.NET hash collision Denial of Service attack, Microsoft patches 3 more vulnerabilities resulting in an Aggregate Severity Rating that is Critical.

This is a summary of the vulnerabilities. Please read the full MS11-100 bulletin for more details and how to download and install the patches.

Vulnerability Severity Rating Maximum Security Impact Affected Software CVE ID
Important Denial of Service Collisions in HashTable May Cause DoS Vulnerability CVE-2011-3414
N/A or Moderate N/A or Spoofing Insecure Redirect in .NET Form Authentication Vulnerability CVE-2011-3415
Critical Elevation of Privilege ASP.Net Forms Authentication Bypass Vulnerability CVE-2011-3416
Important Elevation of Privilege ASP.NET Forms Authentication Ticket Caching Vulnerability CVE-2011-3417

The CVE-2011-3415 is N/A in .NET 1.1, and Moderate in all other .NET versions.

–jeroen

via Microsoft Security Bulletin MS11-100 – Critical : Vulnerabilities in .NET Framework Could Allow Elevation of Privilege (2638420).

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