CVE-2012-4792

high

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.

References

https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ie_cbutton_uaf.rb

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-008

http://www.us-cert.gov/cas/techalerts/TA13-015A.html

http://www.us-cert.gov/cas/techalerts/TA13-008A.html

http://www.kb.cert.org/vuls/id/154201

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://www.cisa.gov/news-events/alerts/2024/07/23/cisa-adds-two-known-exploited-vulnerabilities-catalog

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16361

http://technet.microsoft.com/security/advisory/2794220

http://labs.alienvault.com/labs/index.php/2012/just-another-water-hole-campaign-using-an-internet-explorer-0day/

http://blogs.technet.com/b/srd/archive/2012/12/31/microsoft-quot-fix-it-quot-available-for-internet-explorer-6-7-and-8.aspx

http://blogs.technet.com/b/srd/archive/2012/12/29/new-vulnerability-affecting-internet-explorer-8-users.aspx

http://blog.fireeye.com/research/2012/12/council-foreign-relations-water-hole-attack-details.html

Details

Source: Mitre, NVD

Published: 2012-12-30

Updated: 2025-04-11

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.88228