Vulnerability detail

Vendor

Microsoft

Product

Internet Explorer

Published

Dec 30, 2012

EPSS

—

Description

Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to an object that (1) was not properly allocated or (2) is deleted, as demonstrated by a CDwnBindInfo object, and exploited in the wild in December 2012.

SSVC decision points

Exploitation

active

Automatable

No

Technical impact

total

References

• http://www.us-cert.gov/cas/techalerts/TA13-008A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-008
• http://www.kb.cert.org/vuls/id/154201
• https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ie_cbutton_uaf.rb
• http://labs.alienvault.com/labs/index.php/2012/just-another-water-hole-campaign-using-an-internet-explorer-0day/
• http://packetstormsecurity.com/files/119168/Microsoft-Internet-Explorer-CDwnBindInfo-Object-Use-After-Free.html
• http://eromang.zataz.com/2012/12/29/attack-and-ie-0day-informations-used-against-council-on-foreign-relations/
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16361
• http://www.us-cert.gov/cas/techalerts/TA13-015A.html
• http://blog.fireeye.com/research/2012/12/council-foreign-relations-water-hole-attack-details.html
• http://blogs.technet.com/b/srd/archive/2012/12/29/new-vulnerability-affecting-internet-explorer-8-users.aspx
• http://technet.microsoft.com/security/advisory/2794220
• http://blogs.technet.com/b/srd/archive/2012/12/31/microsoft-quot-fix-it-quot-available-for-internet-explorer-6-7-and-8.aspx

Potential proof of concepts