Vulnerability Description
Microsoft Internet Explorer 6, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, as demonstrated by Stephen Fewer as the first of three chained vulnerabilities during a Pwn2Own competition at CanSecWest 2011, aka "Object Management Memory Corruption Vulnerability."
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Internet Explorer | 8 |
| Microsoft | Windows 7 | All versions |
References
- http://dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011
- http://twitter.com/aaronportnoy/statuses/45642180118855680
- http://twitter.com/msftsecresponse/statuses/45646985998516224
- http://www.computerworld.com/s/article/9214002/Safari_IE_hacked_first_at_Pwn2Own
- http://www.securityfocus.com/bid/46821
- http://www.securitytracker.com/id?1025327
- http://www.us-cert.gov/cas/techalerts/TA11-102A.htmlUS Government Resource
- http://www.zdnet.com/blog/security/pwn2own-2011-ie8-on-windows-7-hijacked-with-3
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-01
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66062
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- https://threatpost.com/en_us/blogs/pwn2own-winner-stephen-fewer-031011
- http://dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011
- http://twitter.com/aaronportnoy/statuses/45642180118855680
- http://twitter.com/msftsecresponse/statuses/45646985998516224
FAQ
What is CVE-2011-1345?
CVE-2011-1345 is a vulnerability with a CVSS score of 9.3 (HIGH). Microsoft Internet Explorer 6, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized...
How severe is CVE-2011-1345?
CVE-2011-1345 has been rated HIGH with a CVSS base score of 9.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-1345?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Internet Explorer, Microsoft Windows 7.