Vulnerability in Microsoft .Net Framework

CVE-2012-4777

The code-optimization feature in the reflection implementation in Microsoft .NET Framework 4 and 4.5 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 "WPF Reflection Optimization Vulnerability."

EPSS: 0.248 (97.7th percentile) — read the EPSS interpretation.

Affected products

Microsoft .Net_framework — versions 4.0, 4.5
Microsoft Windows_7
Microsoft Windows_8
Microsoft Windows_rt
Microsoft Windows_server_2003
Microsoft Windows_server_2008
Microsoft Windows_server_2012
Microsoft Windows_vista
Microsoft Windows_xp
N/a — versions n/a

Weakness classification (CWE)

CWE-264

References

secure@microsoft.com (US Government Resource, x_refsource_CERT, third-party-advisory)
secure@microsoft.com (x_refsource_MS, vendor-advisory)
secure@microsoft.com (signature, x_refsource_OVAL, vdb-entry)
secure@microsoft.com (x_refsource_OSVDB, vdb-entry)
secure@microsoft.com (vdb-entry, x_refsource_BID)
secure@microsoft.com (x_refsource_SECUNIA, third-party-advisory)
secure@microsoft.com (vdb-entry, x_refsource_SECTRACK)