CVE-2012-1895: Critical severity microsoft .net framework 4 vulnerability

Published Nov 14, 2012
·
Updated

The reflection implementation in Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5.1, and 4 does not properly enforce object permissions, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (aka XBAP) or (2) a crafted .NET Framework application, aka "Reflection Bypass Vulnerability."

Affected Software

60 affected components
All of the following
Microsoft .NET Framework=1.0-sp3
Any of the following
Microsoft Windows XP=2005-sp3
Microsoft Windows XP=2005-sp3
All of the following
Microsoft .NET Framework=1.1-sp1
Any of the following
Microsoft Windows Server 2003=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Vista=sp2
Microsoft Windows XP=sp3
Microsoft Windows XP=sp2
All of the following
Microsoft .NET Framework=2.0-sp2
Any of the following
Microsoft Windows Server 2003=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Vista=sp2
Microsoft Windows XP=sp3
Microsoft Windows XP=sp2
All of the following
Microsoft .NET Framework=3.5.1
Any of the following
Microsoft Windows 7
Microsoft Windows 7
Microsoft Windows 7=sp1
Microsoft Windows 7=sp1
Microsoft Windows Server 2008=r2
Microsoft Windows Server 2008=r2
All of the following
Microsoft .NET Framework=4.0
Any of the following
Microsoft Windows 7
Microsoft Windows 7
Microsoft Windows 7=sp1
Microsoft Windows 7=sp1
Microsoft Windows Server 2003=sp2
Microsoft Windows Server 2008=r2
Microsoft Windows Server 2008=r2
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Vista=sp2
Microsoft Windows XP=sp3
Microsoft Windows XP=sp2
Microsoft .NET Framework=1.0-sp3
Microsoft Windows XP=2005-sp3
Microsoft Windows XP=2005-sp3
Microsoft .NET Framework=1.1-sp1
Microsoft Windows Server 2003=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Vista=sp2
Microsoft Windows Vista=sp2
Microsoft Windows XP=sp3
Microsoft Windows XP=sp2
Microsoft .NET Framework=2.0-sp2
Microsoft .NET Framework=3.5.1
Microsoft Windows 7
Microsoft Windows 7
Microsoft Windows 7=sp1
Microsoft Windows 7=sp1
Microsoft Windows Server 2008=r2
Microsoft Windows Server 2008=r2
Microsoft .NET Framework=4.0

Event History

Nov 14, 2012
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2012-1895?

CVE-2012-1895 has a high severity rating, indicating a significant risk of remote code execution.

2

How do I fix CVE-2012-1895?

To fix CVE-2012-1895, update the Microsoft .NET Framework to the latest version available.

3

Which software is affected by CVE-2012-1895?

CVE-2012-1895 affects Microsoft .NET Framework versions 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5.1, and 4.

4

What kind of attacks can exploit CVE-2012-1895?

CVE-2012-1895 can be exploited through crafted XAML browser applications or .NET Framework applications.

5

Is there a workaround for CVE-2012-1895?

While the best approach is to update to a secured version, a temporary workaround may involve restricting the execution of untrusted code.

Contact

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