CVE-2012-4792
Microsoft Internet Explorer Use-After-Free Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 13 August 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 78.75% probability · 100th percentile
- CISA KEV
- Listed 23 July 2024 · due 13 August 2024
- Weakness
- CWE-416
- Affected
- microsoft/internet explorer
- Source
- secure@microsoft.com
CISA notes
The impacted product is end-of-life and should be disconnected if still in use. https://learn.microsoft.com/en-us/lifecycle/products/internet-explorer-11; https://nvd.nist.gov/vuln/detail/CVE-2012-4792
References
- http://blog.fireeye.com/research/2012/12/council-foreign-relations-water-hole-attack-details.htmlBroken Link
- http://blogs.technet.com/b/srd/archive/2012/12/29/new-vulnerability-affecting-internet-explorer-8-users.aspxBroken Link
- http://blogs.technet.com/b/srd/archive/2012/12/31/microsoft-quot-fix-it-quot-available-for-internet-explorer-6-7-and-8.aspxBroken Link
- http://eromang.zataz.com/2012/12/29/attack-and-ie-0day-informations-used-against-council-on-foreign-relations/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.htmlThird Party Advisory, VDB Entry
- http://technet.microsoft.com/security/advisory/2794220Patch, Vendor Advisory
- http://www.kb.cert.org/vuls/id/154201Third Party Advisory, US Government Resource
- http://www.us-cert.gov/cas/techalerts/TA13-008A.htmlThird Party Advisory, US Government Resource
- http://www.us-cert.gov/cas/techalerts/TA13-015A.htmlThird Party Advisory, US Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-008Patch, Vendor Advisory
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ie_cbutton_uaf.rbThird Party Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16361Broken Link
- http://blog.fireeye.com/research/2012/12/council-foreign-relations-water-hole-attack-details.htmlBroken Link
- http://blogs.technet.com/b/srd/archive/2012/12/29/new-vulnerability-affecting-internet-explorer-8-users.aspxBroken Link
- http://blogs.technet.com/b/srd/archive/2012/12/31/microsoft-quot-fix-it-quot-available-for-internet-explorer-6-7-and-8.aspxBroken Link
- http://eromang.zataz.com/2012/12/29/attack-and-ie-0day-informations-used-against-council-on-foreign-relations/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.htmlThird Party Advisory, VDB Entry
- http://technet.microsoft.com/security/advisory/2794220Patch, Vendor Advisory
- http://www.kb.cert.org/vuls/id/154201Third Party Advisory, US Government Resource
- http://www.us-cert.gov/cas/techalerts/TA13-008A.htmlThird Party Advisory, US Government Resource
- http://www.us-cert.gov/cas/techalerts/TA13-015A.htmlThird Party Advisory, US Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-008Patch, Vendor Advisory
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ie_cbutton_uaf.rbThird Party Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16361Broken Link
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-4792US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.