Test ID:	1.3.6.1.4.1.25623.1.0.140551
Category:	CISCO
Title:	Cisco IP Phone 8800 Series Denial of Service Vulnerability
Summary:	A vulnerability in Session Initiation Protocol (SIP) call handling in Cisco;IP Phone 8800 Series devices could allow an unauthenticated, remote attacker to cause a denial of service (DoS);condition because the SIP process unexpectedly restarts. All active phone calls are dropped as the SIP process;restarts.
Description:	Summary: A vulnerability in Session Initiation Protocol (SIP) call handling in Cisco IP Phone 8800 Series devices could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition because the SIP process unexpectedly restarts. All active phone calls are dropped as the SIP process restarts. Vulnerability Insight: The vulnerability is due to incomplete input validation of the SIP packet header. An attacker could exploit this vulnerability by sending a malformed SIP packet to a targeted phone. Vulnerability Impact: An exploit could allow the attacker to cause a DoS condition because all phone calls are dropped when the SIP process unexpectedly restarts. Solution: See the referenced vendor advisory for a solution. CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2017-12328 BugTraq ID: 102003 http://www.securityfocus.com/bid/102003 http://www.securitytracker.com/id/1039922
Copyright	Copyright (C) 2017 Greenbone AG

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