ID de Prueba:	1.3.6.1.4.1.25623.1.0.106053
Categoría:	CISCO
Título:	Cisco ASA DHCPv6 Relay DoS Vulnerability (cisco-sa-20150115-asa-dhcp)
Resumen:	A vulnerability in the DHCPv6 relay feature of Cisco ASA may; lead to a denial of service.
Descripción:	Summary: A vulnerability in the DHCPv6 relay feature of Cisco ASA may lead to a denial of service. Vulnerability Insight: A vulnerability in the DHCPv6 relay feature could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to insufficient validation of DHCPv6 packets. Cisco ASA Software is affected by this vulnerability only if the software is configured with the DHCPv6 relay feature. An attacker could exploit this vulnerability by sending crafted DHCPv6 packets to an affected device. Only DHCPv6 packets directed to the Cisco ASA interface where the DHCPv6 relay feature is enabled can be used to trigger this vulnerability. Vulnerability Impact: An unauthenticated, remote attacker could cause the system to reload. Affected Software/OS: Version 9.0, 9.1, 9.2 and 9.3 on Cisco Adaptive Security Virtual Appliance (ASAv), Cisco ASA 1000V Cloud Firewall, Cisco ASA 5500 Series Adaptive Security Appliances, Cisco ASA 5500-X Series Next-Generation Firewalls and Cisco ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers. Solution: Apply the appropriate updates from Cisco. As a workaround disable the DHCPv6 relay feature. CVSS Score: 5.7 CVSS Vector: AV:A/AC:M/Au:N/C:N/I:N/A:C
Referencia Cruzada:	Common Vulnerability Exposure (CVE) ID: CVE-2015-0578 BugTraq ID: 72718 http://www.securityfocus.com/bid/72718 Cisco Security Advisory: 20150114 Cisco ASA DHCPv6 Relay DoS Vulnerability http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0578 Cisco Security Advisory: 20150115 Cisco Adaptive Security Appliance DHCPv6 Relay Denial of Service Vulnerability https://tools.cisco.com/security/center/viewAlert.x?alertId=37022 http://www.securitytracker.com/id/1031542 XForce ISS Database: cisco-asa-cve20150578-dos(100549) https://exchange.xforce.ibmcloud.com/vulnerabilities/100549
Copyright	Copyright (C) 2015 Greenbone Networks GmbH

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