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CVSS: 7.5EPSS: 4%CPEs: 23EXPL: 0

Microsoft Crypto API 5.131.2600.2180 through 6.0, as used in Outlook, Windows Live Mail, and Office 2007, performs Certificate Revocation List (CRL) checks by using an arbitrary URL from a certificate embedded in a (1) S/MIME e-mail message or (2) signed document, which allows remote attackers to obtain reading times and IP addresses of recipients, and port-scan results, via a crafted certificate with an Authority Information Access (AIA) extension. Microsoft Crypto API 5.131.2600.2180 hasta la 6.0, como las usadas en Outlook, Windows Live Mail, y Office 2007, realiza una lista de revocación de certificado (CRL) utilizando una URL arbitraria de un certificado incluido en (1) mensaje de correo electrónico S/MIME o (2) documento firmado, lo que permite a atacantes remotos conseguir tiempos de lectura y direcciones IP de recipientes, y resultados de escaneo de puerto, a través de un certificado manipulado con una extensión de de una Authority Information Access (AIA). • http://securityreason.com/securityalert/3978 http://www.securityfocus.com/archive/1/493947/100/0/threaded http://www.securityfocus.com/archive/1/494101/100/0/threaded http://www.securityfocus.com/bid/28548 http://www.securitytracker.com/id?1019736 http://www.securitytracker.com/id?1019737 http://www.securitytracker.com/id?1019738 https://www.cynops.de/advisories/AKLINK-SA-2008-002.txt https://www.cynops.de/advisories/AKLINK-SA-2008-003.txt https://www.cynops.de/advisories/AK •