Test Kennung:	1.3.6.1.4.1.25623.1.0.140023
Kategorie:	CISCO
Titel:	Cisco Email Security Appliance Malformed MIME Header Vulnerability
Zusammenfassung:	A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS; Software for Cisco Email Security Appliances (ESA) and Web Security Appliances (WSA) could allow an; unauthenticated, remote attacker to bypass configured user filters on the device.;; The vulnerability is due to improper error handling of a malformed MIME header in an email; attachment. An attacker could exploit this vulnerability by sending an email with a crafted MIME; attachment. For example, a successful exploit could allow the attacker to bypass configured user; filters to prevent executable files from being opened. The malformed MIME headers may not be RFC; compliant but some mail clients could still allow users to access the attachment, which may not have; been properly filtered by the device.;; Cisco has released software updates that address this vulnerability. Workarounds that address this; vulnerability are not available.
Beschreibung:	Summary: A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) and Web Security Appliances (WSA) could allow an unauthenticated, remote attacker to bypass configured user filters on the device. The vulnerability is due to improper error handling of a malformed MIME header in an email attachment. An attacker could exploit this vulnerability by sending an email with a crafted MIME attachment. For example, a successful exploit could allow the attacker to bypass configured user filters to prevent executable files from being opened. The malformed MIME headers may not be RFC compliant but some mail clients could still allow users to access the attachment, which may not have been properly filtered by the device. Cisco has released software updates that address this vulnerability. Workarounds that address this vulnerability are not available. Solution: See the referenced vendor advisory for a solution. CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2016-1480 BugTraq ID: 93914 http://www.securityfocus.com/bid/93914 http://www.securitytracker.com/id/1037116 http://www.securitytracker.com/id/1037117
Copyright	Copyright (C) 2016 Greenbone AG

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