CVE-2012-4777
First published: Wed Nov 14 2012(Updated: )
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."
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| Microsoft .NET Framework 4 | =4.0 | |
| Any of | ||
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Vista | =sp2 | |
| Microsoft Windows XP | =sp3 | |
| Microsoft Windows XP | =sp2 | |
| All of | ||
| Microsoft .NET Framework 4 | =4.5 | |
| Any of | ||
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 8.0 | ||
| Microsoft Windows 8.0 | ||
| Microsoft Windows RT | ||
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | ||
| Microsoft Windows Vista | =sp2 | |
| Microsoft .NET Framework 4 | =4.0 | |
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Vista | =sp2 | |
| Microsoft Windows Vista | =sp2 | |
| Microsoft Windows XP | =sp3 | |
| Microsoft Windows XP | =sp2 | |
| Microsoft .NET Framework 4 | =4.5 | |
| Microsoft Windows 8.0 | ||
| Microsoft Windows 8.0 | ||
| Microsoft Windows RT | ||
| Microsoft Windows Server |
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Reference Links
- http://osvdb.org/87267
- http://secunia.com/advisories/51236
- http://www.securityfocus.com/bid/56464
- http://www.securitytracker.com/id?1027753
- http://www.us-cert.gov/cas/techalerts/TA12-318A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-074
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15960
Frequently Asked Questions
What is the severity of CVE-2012-4777?
CVE-2012-4777 is rated as critical due to its potential to allow remote code execution.
How do I fix CVE-2012-4777?
To mitigate CVE-2012-4777, users should apply the latest security updates released by Microsoft for the .NET Framework.
Who is affected by CVE-2012-4777?
CVE-2012-4777 affects users of Microsoft .NET Framework versions 4.0 and 4.5 across several Microsoft operating systems.
What types of attacks can exploit CVE-2012-4777?
CVE-2012-4777 can be exploited through crafted XAML browser applications (XBAP) or malicious .NET applications.
Is there a workaround for CVE-2012-4777?
Currently, the best workaround for CVE-2012-4777 is to avoid using untrusted applications and to keep the .NET Framework updated.
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- agent/weakness
- agent/description
- agent/event
- agent/author
- agent/softwarecombine
- agent/tags
- collector/nvd-api
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/microsoft
- canonical/microsoft .net framework 4
- version/microsoft .net framework 4/4.0
- canonical/microsoft windows 7
- version/microsoft windows 7/sp1
- canonical/microsoft windows server
- version/microsoft windows server/sp2
- version/microsoft windows server/r2
- canonical/microsoft windows vista
- version/microsoft windows vista/sp2
- canonical/microsoft windows xp
- version/microsoft windows xp/sp3
- version/microsoft windows xp/sp2
- version/microsoft .net framework 4/4.5
- canonical/microsoft windows 8.0
- canonical/microsoft windows rt