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Vulnerability Details : 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.
Publish Date : 2012-12-30 Last Update Date : 2013-11-02
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- CVSS Scores & Vulnerability Types

CVSS Score
9.3
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute Code
CWE ID 399

- Related OVAL Definitions

Title Definition Id Class Family
Internet Explorer Use After Free Vulnerability - MS13-008 oval:org.mitre.oval:def:16361 windows
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2012-4792

# Product Type Vendor Product Version Update Edition Language
1 Application Microsoft Internet Explorer 6 Version Details Vulnerabilities
2 Application Microsoft Internet Explorer 7 Version Details Vulnerabilities
3 Application Microsoft Internet Explorer 8 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Microsoft Internet Explorer 3

- References For CVE-2012-4792

http://www.us-cert.gov/cas/techalerts/TA13-015A.html
CERT TA13-015A
http://www.kb.cert.org/vuls/id/154201
CERT-VN VU#154201
http://blog.fireeye.com/research/2012/12/council-foreign-relations-water-hole-attack-details.html
http://blogs.technet.com/b/srd/archive/2012/12/29/new-vulnerability-affecting-internet-explorer-8-users.aspx 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 CONFIRM
http://labs.alienvault.com/labs/index.php/2012/just-another-water-hole-campaign-using-an-internet-explorer-0day/
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ie_cbutton_uaf.rb
http://eromang.zataz.com/2012/12/29/attack-and-ie-0day-informations-used-against-council-on-foreign-relations/
http://packetstormsecurity.com/files/119168/Microsoft-Internet-Explorer-CDwnBindInfo-Object-Use-After-Free.html
http://technet.microsoft.com/en-us/security/advisory/2794220
Microsoft Advisory http://technet.microsoft.com/security/advisory/2794220 Microsoft Security Advisory (2794220): Vulnerability in Internet Explorer Could Allow Remote Code Execution - Version: 2.0 Revision Note: V2.0 (January 14, 2013): Advisory updated to reflect publication of security bulletin. Summary: Microsoft has completed the investigation into a public report of this vulnerability. We have issued MS13-008 to address this issue. For more information about this issue, including download links for an available security update, please review MS13-008. The vulnerability addressed is the Internet Explorer Use After Free Vulnerability - CVE-2012-4792.Release Date:2013-01-14
http://technet.microsoft.com/en-us/security/bulletin/ms13-008
Microsoft Security Bulletin MS13-008 MS13-008 - Critical : Security Update for Internet Explorer (2799329) - Version: 1.0 Severity Rating: Critical Revision Note: V1.0 (January 14, 2013): Bulletin published. Summary: This security update resolves one publicly disclosed vulnerability in Internet Explorer. The vulnerability could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited this vulnerabilities could gain the same user rights as the current user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.Release Date:2013-01-14
http://www.us-cert.gov/cas/techalerts/TA13-008A.html
CERT TA13-008A

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2012-4792

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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