Microsoft Internet Explorer OnBeforeDeactivate Event Remote Code Execution

2012.12.21
Credit: Anonymous
Risk: High
Local: No
Remote: Yes
CWE: CWE-94


Ogólna skala CVSS: 9.3/10
Znaczenie: 10/10
Łatwość wykorzystania: 8.6/10
Wymagany dostęp: Zdalny
Złożoność ataku: Średnia
Autoryzacja: Nie wymagana
Wpływ na poufność: Pełny
Wpływ na integralność: Pełny
Wpływ na dostępność: Pełny

ZDI-12-194 : Microsoft Internet Explorer OnBeforeDeactivate Event Remote Code Execution Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-12-194 December 21, 2012 - -- CVE ID: CVE-2012-1878 - -- CVSS: 7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P - -- Affected Vendors: Microsoft - -- Affected Products: Microsoft Internet Explorer - -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 12388. For further product information on the TippingPoint IPS, visit: http://www.tippingpoint.com - -- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Internet Explorer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the way Internet Explorer handles the onbeforedeactivate callback function for certain elements. During the execution of the onbeforedeactivate callback function it is possible to alter the DOM tree of the page which can lead to a use-after-free vulnerability when the function returns. This can result in remote code execution under the context of the current process. - -- Vendor Response: Microsoft has issued an update to correct this vulnerability. More details can be found at: https://technet.microsoft.com/en-us/security/bulletin/ms12-037 - -- Disclosure Timeline: 2012-03-14 - Vulnerability reported to vendor 2012-12-21 - Coordinated public release of advisory - -- Credit: This vulnerability was discovered by: * Anonymous - -- About the Zero Day Initiative (ZDI): Established by TippingPoint, The Zero Day Initiative (ZDI) represents a best-of-breed model for rewarding security researchers for responsibly disclosing discovered vulnerabilities. Researchers interested in getting paid for their security research through the ZDI can find more information and sign-up at: http://www.zerodayinitiative.com The ZDI is unique in how the acquired vulnerability information is used. TippingPoint does not re-sell the vulnerability details or any exploit code. Instead, upon notifying the affected product vendor, TippingPoint provides its customers with zero day protection through its intrusion prevention technology. Explicit details regarding the specifics of the vulnerability are not exposed to any parties until an official vendor patch is publicly available. Furthermore, with the altruistic aim of helping to secure a broader user base, TippingPoint provides this vulnerability information confidentially to security vendors (including competitors) who have a vulnerability protection or mitigation product. Our vulnerability disclosure policy is available online at: http://www.zerodayinitiative.com/advisories/disclosure_policy/ Follow the ZDI on Twitter: http://twitter.com/thezdi

Referencje:

http://www.zerodayinitiative.com/advisories/ZDI-12-194
https://technet.microsoft.com/en-us/security/bulletin/ms12-037


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