CVE-2012-4969: Microsoft Internet Explorer Use-After-Free Vulnerability
First published: Tue Sep 18 2012(Updated: )
Use-after-free vulnerability in the CMshtmlEd::Exec function in mshtml.dll in Microsoft Internet Explorer 6 through 9 allows remote attackers to execute arbitrary code via a crafted web site, as exploited in the wild in September 2012.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Internet Explorer | ||
| All of | ||
| Internet Explorer | =6 | |
| Any of | ||
| Microsoft Windows Server | =2003-sp2 | |
| Microsoft Windows Server | =2003-sp2 | |
| Microsoft Windows Server | =2003-sp2 | |
| Microsoft Windows XP | =sp2 | |
| Microsoft Windows XP | =sp3 | |
| All of | ||
| Internet Explorer | =7 | |
| Any of | ||
| Microsoft Windows Server | =2003-sp2 | |
| Microsoft Windows Server | =2003-sp2 | |
| 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 Vista | =sp2 | |
| Microsoft Windows XP | =sp3 | |
| Microsoft Windows XP | =sp2 | |
| All of | ||
| Internet Explorer | =8 | |
| Any of | ||
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows Server | =2003-sp2 | |
| Microsoft Windows Server | =2003-sp2 | |
| Microsoft Windows Server | =2008-sp2 | |
| Microsoft Windows Server | =2008-sp2 | |
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server | =r2-sp1 | |
| Microsoft Windows Server | =r2-sp1 | |
| Microsoft Windows Vista | =sp2 | |
| Microsoft Windows Vista | =sp2 | |
| Microsoft Windows Vista | =sp2 | |
| Microsoft Windows XP | =sp3 | |
| Microsoft Windows XP | =sp2 | |
| All of | ||
| Internet Explorer | =9 | |
| Any of | ||
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server | =r2-sp1 | |
| Microsoft Windows Vista | =sp2 | |
| Microsoft Windows Vista | =sp2 | |
| Internet Explorer | =6 | |
| Microsoft Windows Server | =2003-sp2 | |
| Microsoft Windows Server | =2003-sp2 | |
| Microsoft Windows Server | =2003-sp2 | |
| Microsoft Windows XP | =sp2 | |
| Microsoft Windows XP | =sp3 | |
| Internet Explorer | =7 | |
| 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 Vista | =sp2 | |
| Microsoft Windows XP | =sp2 | |
| Internet Explorer | =8 | |
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server | =r2-sp1 | |
| Microsoft Windows Server | =r2-sp1 | |
| Internet Explorer | =9 | |
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Vista | =sp2 |
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Reference Links
- http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/
- http://dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rb
- http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/
- http://technet.microsoft.com/security/advisory/2757760
- http://www.kb.cert.org/vuls/id/480095
- http://www.securitytracker.com/id?1027538
- http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild
- http://www.us-cert.gov/cas/techalerts/TA12-255A.html
- http://www.us-cert.gov/cas/techalerts/TA12-262A.html
- http://www.us-cert.gov/cas/techalerts/TA12-265A.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15729
- https://nvd.nist.gov/vuln/detail/CVE-2012-4969
Frequently Asked Questions
What is the severity of CVE-2012-4969?
CVE-2012-4969 is a critical vulnerability that allows remote code execution through a use-after-free condition in Microsoft Internet Explorer.
How do I fix CVE-2012-4969?
To fix CVE-2012-4969, users should update Microsoft Internet Explorer to the latest version available from Microsoft.
Which versions of Internet Explorer are affected by CVE-2012-4969?
CVE-2012-4969 affects Microsoft Internet Explorer versions 6 through 9.
What type of attacks exploit CVE-2012-4969?
CVE-2012-4969 can be exploited by attackers through specially crafted web pages that can lead to arbitrary code execution.
Is there a workaround for CVE-2012-4969?
While patching is the best solution, users can mitigate CVE-2012-4969 by avoiding the use of affected Internet Explorer versions and using alternative browsers.
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- agent/software-canonical-lookup-request
- collector/nvd-cve
- source/NVD
- collector/nvd-api
- collector/nvd-index
- vendor/microsoft
- canonical/internet explorer
- version/internet explorer/6
- canonical/microsoft windows server
- version/microsoft windows server/2003-sp2
- canonical/microsoft windows xp
- version/microsoft windows xp/sp2
- version/microsoft windows xp/sp3
- version/internet explorer/7
- version/microsoft windows server/2008-sp2
- canonical/microsoft windows vista
- version/microsoft windows vista/sp2
- version/internet explorer/8
- canonical/microsoft windows 7
- version/microsoft windows 7/sp1
- version/microsoft windows server/r2
- version/microsoft windows server/r2-sp1
- version/internet explorer/9
- version/microsoft windows server/sp2