Test ID:	1.3.6.1.4.1.25623.1.0.106170
Category:	CISCO
Title:	Cisco IOS Software Crafted Network Time Protocol Packets Denial of Service Vulnerability
Summary:	A vulnerability in the processing of Network Time Protocol (NTP); packets by Cisco IOS could allow an unauthenticated, remote attacker to cause an interface wedge and an; eventual denial of service (DoS) condition on the affected device.;; The vulnerability is due to insufficient checks on clearing the invalid NTP packets from the; interface queue. An attacker could exploit this vulnerability by sending a number of crafted NTP; packets to be processed by an affected device. An exploit could allow the attacker to cause an; interface wedge and an eventual denial of service (DoS) condition on the affected device.;; Cisco has released software updates that address this vulnerability. There are no workarounds that; address this vulnerability. However, there is a mitigation for this vulnerability.
Description:	Summary: A vulnerability in the processing of Network Time Protocol (NTP) packets by Cisco IOS could allow an unauthenticated, remote attacker to cause an interface wedge and an eventual denial of service (DoS) condition on the affected device. The vulnerability is due to insufficient checks on clearing the invalid NTP packets from the interface queue. An attacker could exploit this vulnerability by sending a number of crafted NTP packets to be processed by an affected device. An exploit could allow the attacker to cause an interface wedge and an eventual denial of service (DoS) condition on the affected device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. However, there is a mitigation for this vulnerability. Solution: See the referenced vendor advisory for a solution. CVSS Score: 7.8 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2016-1478 BugTraq ID: 92317 http://www.securityfocus.com/bid/92317 Cisco Security Advisory: 20160804 Cisco IOS Software Crafted Network Time Protocol Packets Denial of Service Vulnerability http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160804-wedge http://www.securitytracker.com/id/1036541
Copyright	Copyright (C) 2016 Greenbone AG

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