Vulnerability Monitor

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CVE-2012-4969

Use-after-free vulnerability in the CMshtmlEd::Exec function in mshtml.dll in Microsoft Internet Explorer 6 through 9 allows remote attackers to execute arbitrary code via a crafted web site, as exploited in the wild in September 2012.

Published

2012-09-18T10:39:14.147

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 8.1 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

10.0

Weaknesses

Type: Primary
NVD-CWE-Other
Type: Secondary
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	microsoft	internet_explorer	6	Yes
Operating System	microsoft	windows_server	2003	No
Operating System	microsoft	windows_server	2003	No
Operating System	microsoft	windows_server	2003	No
Operating System	microsoft	windows_xp	*	No
Operating System	microsoft	windows_xp	*	No
Application	microsoft	internet_explorer	7	Yes
Operating System	microsoft	windows_server	2003	No
Operating System	microsoft	windows_server	2003	No
Operating System	microsoft	windows_server	2003	No
Operating System	microsoft	windows_server	2008	No
Operating System	microsoft	windows_server	2008	No
Operating System	microsoft	windows_server	2008	No
Operating System	microsoft	windows_vista	*	No
Operating System	microsoft	windows_vista	*	No
Operating System	microsoft	windows_vista	-	No
Operating System	microsoft	windows_xp	*	No
Operating System	microsoft	windows_xp	-	No
Application	microsoft	internet_explorer	8	Yes
Operating System	microsoft	windows_7	*	No
Operating System	microsoft	windows_7	*	No
Operating System	microsoft	windows_7	*	No
Operating System	microsoft	windows_7	-	No
Operating System	microsoft	windows_server	2003	No
Operating System	microsoft	windows_server	2003	No
Operating System	microsoft	windows_server	2008	No
Operating System	microsoft	windows_server	2008	No
Operating System	microsoft	windows_server_2008	r2	No
Operating System	microsoft	windows_server_2008	r2	No
Operating System	microsoft	windows_server_2008	r2	No
Operating System	microsoft	windows_server_2008	r2	No
Operating System	microsoft	windows_vista	*	No
Operating System	microsoft	windows_vista	*	No
Operating System	microsoft	windows_vista	-	No
Operating System	microsoft	windows_xp	*	No
Operating System	microsoft	windows_xp	-	No
Application	microsoft	internet_explorer	9	Yes
Operating System	microsoft	windows_7	*	No
Operating System	microsoft	windows_7	*	No
Operating System	microsoft	windows_7	*	No
Operating System	microsoft	windows_7	*	No
Operating System	microsoft	windows_7	-	No
Operating System	microsoft	windows_7	-	No
Operating System	microsoft	windows_7	-	No
Operating System	microsoft	windows_server_2008	*	No
Operating System	microsoft	windows_server_2008	-	No
Operating System	microsoft	windows_server_2008	r2	No
Operating System	microsoft	windows_server_2008	r2	No
Operating System	microsoft	windows_vista	*	No
Operating System	microsoft	windows_vista	sp2	No

References

http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/ Broken Link ([email protected])
http://dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rb Broken Link ([email protected])
http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/ Third Party Advisory ([email protected])
http://technet.microsoft.com/security/advisory/2757760 Patch, Vendor Advisory ([email protected])
http://www.kb.cert.org/vuls/id/480095 Third Party Advisory, US Government Resource ([email protected])
http://www.securitytracker.com/id?1027538 Third Party Advisory, VDB Entry ([email protected])
http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild Third Party Advisory ([email protected])
http://www.us-cert.gov/cas/techalerts/TA12-255A.html Third Party Advisory, US Government Resource ([email protected])
http://www.us-cert.gov/cas/techalerts/TA12-262A.html Third Party Advisory, US Government Resource ([email protected])
http://www.us-cert.gov/cas/techalerts/TA12-265A.html Third Party Advisory, US Government Resource ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15729 Third Party Advisory ([email protected])
http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/ Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rb Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://technet.microsoft.com/security/advisory/2757760 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kb.cert.org/vuls/id/480095 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1027538 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.us-cert.gov/cas/techalerts/TA12-255A.html Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.us-cert.gov/cas/techalerts/TA12-262A.html Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.us-cert.gov/cas/techalerts/TA12-265A.html Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15729 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)