# CVE-2012-4792

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.

- Page: https://www.vulneraibility.com/cve/CVE-2012-4792
- CVSS: 8.8
- Known exploited: yes, in CISA KEV since 2024-07-23; CISA due date 2024-08-13
- EPSS: 78.82% (percentile 99.6)
- Public exploit code: 2 on Exploit-DB · 1 Metasploit module · 1 GitHub proof of concept (first 2012-12-31)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2024-07-23)
- Weakness: CWE-416
- Published: 2012-12-30

## Affected

- microsoft:internet_explorer

## References

- [advisory] http://www.us-cert.gov/cas/techalerts/TA13-008A.html
- [advisory] https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-008
- [advisory] http://www.kb.cert.org/vuls/id/154201
- [other] https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ie_cbutton_uaf.rb
- [other] http://labs.alienvault.com/labs/index.php/2012/just-another-water-hole-campaign-using-an-internet-explorer-0day/
- [other] http://packetstormsecurity.com/files/119168/Microsoft-Internet-Explorer-CDwnBindInfo-Object-Use-After-Free.html
- [other] http://eromang.zataz.com/2012/12/29/attack-and-ie-0day-informations-used-against-council-on-foreign-relations/
- [other] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16361
- [advisory] http://www.us-cert.gov/cas/techalerts/TA13-015A.html
- [other] http://blog.fireeye.com/research/2012/12/council-foreign-relations-water-hole-attack-details.html
- [other] http://blogs.technet.com/b/srd/archive/2012/12/29/new-vulnerability-affecting-internet-explorer-8-users.aspx
- [other] http://technet.microsoft.com/security/advisory/2794220
- [other] http://blogs.technet.com/b/srd/archive/2012/12/31/microsoft-quot-fix-it-quot-available-for-internet-explorer-6-7-and-8.aspx
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-4792

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.