ID de Prueba:	1.3.6.1.4.1.25623.1.0.105712
Categoría:	CISCO
Título:	Cisco NX-OS Software HSRP Authentication Denial of Service Vulnerability (Cisco-SA-20140611-CVE-2014-3295)
Resumen:	A vulnerability in Hot Standby Router Protocol (HSRP); authentication in the Cisco Nexus series could allow an unauthenticated, adjacent attacker to; affect the state of HSRP group members and cause black holing of traffic.
Descripción:	Summary: A vulnerability in Hot Standby Router Protocol (HSRP) authentication in the Cisco Nexus series could allow an unauthenticated, adjacent attacker to affect the state of HSRP group members and cause black holing of traffic. Vulnerability Insight: The vulnerability is due to incorrect parsing of malformed HSRP packets. An attacker could exploit this vulnerability by sending malformed HSRP packets to bypass HSRP authentication. Vulnerability Impact: An exploit could allow the attacker to bypass HSRP authentication and affect the state of active HSRP group members, causing them to go to SPEAK state, which leads to black holing of traffic and causes a denial of service (DoS) condition. Solution: See the referenced vendor advisory for a solution. CVSS Score: 4.8 CVSS Vector: AV:A/AC:L/Au:N/C:N/I:P/A:P
Referencia Cruzada:	Common Vulnerability Exposure (CVE) ID: CVE-2014-3295 BugTraq ID: 67983 http://www.securityfocus.com/bid/67983 Cisco Security Advisory: 20140610 Cisco NX-OS Software HSRP Authentication Denial of Service Vulnerability http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3295 http://www.securitytracker.com/id/1030409 http://secunia.com/advisories/59158
Copyright	Copyright (C) 2016 Greenbone Networks GmbH

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