CVE-2012-4792

Known Exploited

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 88.23% Top 5%
KEV Since 
Vendor Advisory microsoft.com Vendor Advisory microsoft.com
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2012-4792?
CVE-2012-4792 has been scored as a high severity vulnerability.
How to fix CVE-2012-4792?
To fix CVE-2012-4792, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-4792 being actively exploited in the wild?
It is confirmed that CVE-2012-4792 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~88% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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