ID de Prueba:	1.3.6.1.4.1.25623.1.0.105654
Categoría:	CISCO
Título:	Cisco IOS Software and IOS XE Software LISP Denial of Service Vulnerability
Resumen:	A vulnerability in Locator/ID Separation Protocol (LISP) control message processing; in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a vulnerable; device to disable Cisco Express Forwarding and eventually drop traffic passing through.;; The vulnerability is due to insufficient checking of certain parameters in LISP control messages on the Ingress Tunnel Router (ITR).; An attacker could exploit this vulnerability by sending malformed LISP control messages to the ITR. An exploit could allow the attacker; to cause a vulnerable device to disable Cisco Express Forwarding and eventually drop traffic passing through.;; Cisco has confirmed the vulnerability in a security notice and released software updates.;;; To exploit this vulnerability, an attacker may need access to trusted, internal networks to send malformed LISP control; messages to a targeted device. This access requirement may reduce the possibility of a successful exploit.;; Cisco indicates through the CVSS score that functional exploit code exists. However, the code is not known to be publicly available.
Descripción:	Summary: A vulnerability in Locator/ID Separation Protocol (LISP) control message processing in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a vulnerable device to disable Cisco Express Forwarding and eventually drop traffic passing through. The vulnerability is due to insufficient checking of certain parameters in LISP control messages on the Ingress Tunnel Router (ITR). An attacker could exploit this vulnerability by sending malformed LISP control messages to the ITR. An exploit could allow the attacker to cause a vulnerable device to disable Cisco Express Forwarding and eventually drop traffic passing through. Cisco has confirmed the vulnerability in a security notice and released software updates. To exploit this vulnerability, an attacker may need access to trusted, internal networks to send malformed LISP control messages to a targeted device. This access requirement may reduce the possibility of a successful exploit. Cisco indicates through the CVSS score that functional exploit code exists. However, the code is not known to be publicly available. Solution: See the referenced vendor advisory for a solution. CVSS Score: 4.3 CVSS Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Referencia Cruzada:	Common Vulnerability Exposure (CVE) ID: CVE-2014-3262 Cisco Security Advisory: 20140514 Cisco IOS Software and IOS XE Software LISP Denial of Service Vulnerability http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3262 http://www.securitytracker.com/id/1030243
Copyright	Copyright (C) 2016 Greenbone AG

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