ID de Prueba:	1.3.6.1.4.1.25623.1.0.106855
Categoría:	CISCO
Título:	Cisco Email Security Appliance Attachment Filter Bypass Vulnerability
Resumen:	A vulnerability in the email message scanning of Cisco AsyncOS Software for;Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass configured filters;on the device.
Descripción:	Summary: A vulnerability in the email message scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass configured filters on the device. Vulnerability Insight: The vulnerability is due to improper input validation of an email with an attachment and modified Multipurpose Internet Mail Extensions (MIME) header. An attacker could exploit this vulnerability by sending a malformed email message with an attachment. Vulnerability Impact: A successful exploit could allow the attacker to bypass configured message filters to drop the email. The email may not be RFC compliant. However, some mail clients could still allow users to read the email, which may not have been properly filtered by the device. Solution: See the referenced vendor advisory for a solution. CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
Referencia Cruzada:	Common Vulnerability Exposure (CVE) ID: CVE-2017-6671 BugTraq ID: 98969 http://www.securityfocus.com/bid/98969 http://www.securitytracker.com/id/1038635
Copyright	Copyright (C) 2017 Greenbone AG

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