ID de Prueba:	1.3.6.1.4.1.25623.1.0.900876
Categoría:	Windows : Microsoft Bulletins
Título:	Microsoft Windows CryptoAPI X.509 Spoofing Vulnerabilities (974571)
Resumen:	This host is missing a critical security update according to; Microsoft Bulletin MS09-056.
Descripción:	Summary: This host is missing a critical security update according to Microsoft Bulletin MS09-056. Vulnerability Insight: - The issue is due to the Windows CryptoAPI incorrectly parsing a null terminator as the end of any values identified by an Object Identifier (OID) when processing ASN.1 information from X.509 certificates. - An integer overflow error in the Windows CryptoAPI when parsing ASN.1 object identifiers from X.509 certificates, which could allow an attacker to generate a malicious certificate that would be parsed incorrectly by the Windows CryptoAPI. Vulnerability Impact: Successful exploitation will allow attacker to conduct spoofing attacks on the affected system. Affected Software/OS: - Microsoft Windows 7 - Microsoft Windows 2K Service Pack 4 and prior - Microsoft Windows XP Service Pack 3 and prior - Microsoft Windows 2K3 Service Pack 2 and prior - Microsoft Windows Vista Service Pack 1/2 and prior - Microsoft Windows Server 2008 Service Pack 1/2 and prior Solution: The vendor has released updates. Please see the references for more information. CVSS Score: 7.5 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Referencia Cruzada:	Common Vulnerability Exposure (CVE) ID: CVE-2009-2510 BugTraq ID: 36475 http://www.securityfocus.com/bid/36475 Cert/CC Advisory: TA09-286A http://www.us-cert.gov/cas/techalerts/TA09-286A.html http://www.networkworld.com/news/2009/073009-more-holes-found-in-webs.html http://www.networkworld.com/news/2009/091709-microsoft-ie-security-hole.html http://www.wired.com/threatlevel/2009/07/kaminsky/ Microsoft Security Bulletin: MS09-056 https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-056 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5842 Common Vulnerability Exposure (CVE) ID: CVE-2009-2511 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6186
Copyright	Copyright (C) 2009 Greenbone AG

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