CVE-2012-4792

Microsoft Internet Explorer Use-After-Free Vulnerability

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

Act

*SSVC

Descriptions

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.

Una vulnerabilidad de uso después de liberación en Microsoft Internet Explorer v6 a v8 permite a atacantes remotos ejecutar código de su elección a través de un sitio web diseñado para tal fin que desencadena el acceso a un objeto que (1) no se asignó correctamente o (2) se elimina, tal y como se demuestra con un objeto CDwnBindInfo y es explotado en Diciembre de 2012.

Microsoft Internet Explorer contains a use-after-free vulnerability that allows a remote attacker 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.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Act

Exploitation

Active

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2012-09-06 CVE Reserved
2012-12-30 CVE Published
2012-12-31 First Exploit
2024-07-23 Exploited in Wild
2024-08-06 CVE Updated
2024-08-13 KEV Due Date
2024-08-15 EPSS Updated

CWE

CWE-399: Resource Management Errors
CWE-416: Use After Free

CAPEC

References (16)

URL	Tag	Source
http://blog.fireeye.com/research/2012/12/council-foreign-relations-water-hole-attack-details.html	X_refsource_misc
http://blogs.technet.com/b/srd/archive/2012/12/29/new-vulnerability-affecting-internet-explorer-8-users.aspx	X_refsource_confirm
http://blogs.technet.com/b/srd/archive/2012/12/31/microsoft-quot-fix-it-quot-available-for-internet-explorer-6-7-and-8.aspx	X_refsource_confirm
http://eromang.zataz.com/2012/12/29/attack-and-ie-0day-informations-used-against-council-on-foreign-relations	X_refsource_misc
http://labs.alienvault.com/labs/index.php/2012/just-another-water-hole-campaign-using-an-internet-explorer-0day	X_refsource_misc
http://packetstormsecurity.com/files/119168/Microsoft-Internet-Explorer-CDwnBindInfo-Object-Use-After-Free.html	X_refsource_misc
http://www.kb.cert.org/vuls/id/154201	Third Party Advisory
http://www.us-cert.gov/cas/techalerts/TA13-008A.html	Third Party Advisory
http://www.us-cert.gov/cas/techalerts/TA13-015A.html	Third Party Advisory
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ie_cbutton_uaf.rb	X_refsource_misc
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16361	Signature

URL	Date	SRC
https://www.exploit-db.com/exploits/23785	2013-01-02
https://www.exploit-db.com/exploits/23754	2012-12-31
https://github.com/WizardVan/CVE-2012-4792	2015-05-03

URL	Date	SRC

URL	Date	SRC
http://technet.microsoft.com/security/advisory/2794220	2024-07-24
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-008	2024-07-24

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	6 Search vendor "Microsoft" for product "Internet Explorer" and version "6"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2003 Search vendor "Microsoft" for product "Windows Server 2003"	*	sp2	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	6 Search vendor "Microsoft" for product "Internet Explorer" and version "6"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Xp Search vendor "Microsoft" for product "Windows Xp"	*	sp3	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	6 Search vendor "Microsoft" for product "Internet Explorer" and version "6"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Xp Search vendor "Microsoft" for product "Windows Xp"	-	sp2, x64	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	7 Search vendor "Microsoft" for product "Internet Explorer" and version "7"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2003 Search vendor "Microsoft" for product "Windows Server 2003"	*	sp2	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	7 Search vendor "Microsoft" for product "Internet Explorer" and version "7"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"	*	sp2, x64	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	7 Search vendor "Microsoft" for product "Internet Explorer" and version "7"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"	*	sp2, x86	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	7 Search vendor "Microsoft" for product "Internet Explorer" and version "7"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"	-	sp2, itanium	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	7 Search vendor "Microsoft" for product "Internet Explorer" and version "7"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Vista Search vendor "Microsoft" for product "Windows Vista"	*	sp2	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	7 Search vendor "Microsoft" for product "Internet Explorer" and version "7"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Vista Search vendor "Microsoft" for product "Windows Vista"	-	sp2	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	7 Search vendor "Microsoft" for product "Internet Explorer" and version "7"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Xp Search vendor "Microsoft" for product "Windows Xp"	*	sp3	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	7 Search vendor "Microsoft" for product "Internet Explorer" and version "7"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Xp Search vendor "Microsoft" for product "Windows Xp"	-	sp2, x64	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	8 Search vendor "Microsoft" for product "Internet Explorer" and version "8"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows 7 Search vendor "Microsoft" for product "Windows 7"	-	-	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	8 Search vendor "Microsoft" for product "Internet Explorer" and version "8"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows 7 Search vendor "Microsoft" for product "Windows 7"	-	sp1, x64	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	8 Search vendor "Microsoft" for product "Internet Explorer" and version "8"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows 7 Search vendor "Microsoft" for product "Windows 7"	-	sp1, x86	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	8 Search vendor "Microsoft" for product "Internet Explorer" and version "8"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2003 Search vendor "Microsoft" for product "Windows Server 2003"	*	sp2	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	8 Search vendor "Microsoft" for product "Internet Explorer" and version "8"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"	*	r2, itanium	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	8 Search vendor "Microsoft" for product "Internet Explorer" and version "8"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"	*	r2, x64	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	8 Search vendor "Microsoft" for product "Internet Explorer" and version "8"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"	*	sp2, x64	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	8 Search vendor "Microsoft" for product "Internet Explorer" and version "8"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"	*	sp2, x86	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	8 Search vendor "Microsoft" for product "Internet Explorer" and version "8"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Vista Search vendor "Microsoft" for product "Windows Vista"	*	sp2	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	8 Search vendor "Microsoft" for product "Internet Explorer" and version "8"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Vista Search vendor "Microsoft" for product "Windows Vista"	-	sp2	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	8 Search vendor "Microsoft" for product "Internet Explorer" and version "8"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Xp Search vendor "Microsoft" for product "Windows Xp"	*	sp3	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	8 Search vendor "Microsoft" for product "Internet Explorer" and version "8"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Xp Search vendor "Microsoft" for product "Windows Xp"	-	sp2, x64	Safe