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10.11.2011 - MS11-044 - Critical : Vulnerability in .NET Framework Could Allow Remote Code Execution (2538814) - Version: 1.1

View Microsoft related news. Severity Rating: Critical
Revision Note: V1.1 (October 11, 2011): Added an update FAQ to announce a detection change for KB2518870 and KB2518864 that corrects an installation issue. This is a detection change only. There were no changes to the security update files. Customers who have already successfully updated their systems do not need to take any action.
Summary: This security update resolves a publicly disclosed vulnerability in Microsoft .NET Framework. The vulnerability could allow remote code execution on a client system if a user views a specially crafted Web page using a Web browser that can run XAML Browser Applications (XBAPs). Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights. The vulnerability could also allow remote code execution on a server system running IIS, if that server allows processing ASP.NET pages and an attacker succeeds in uploading a specially crafted ASP.NET page to that server and then executes the page, as could be the case in a Web hosting scenario. This vulnerability could also be used by Windows .NET applications to bypass Code Access Security (CAS) restrictions.

- View Microsoft Security Bulletin MS11-044
- View Microsoft Knowledge Base Article - on: 1.
- Visit Microsoft Corporation

NID: 39662 / Submitted by: The Zilla of Zuron
Categories: Microsoft
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