
CVE-2017-12328
https://notcve.org/view.php?id=CVE-2017-12328
30 Nov 2017 — 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. 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. An exploit could allo... • http://www.securityfocus.com/bid/102003 • CWE-20: Improper Input Validation •

CVE-2017-6656
https://notcve.org/view.php?id=CVE-2017-6656
13 Jun 2017 — A vulnerability in Session Initiation Protocol (SIP) call handling of Cisco IP Phone 8800 Series devices could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition due to the SIP process unexpectedly restarting. All active phone calls are dropped as the SIP process restarts. More Information: CSCvc29353. Known Affected Releases: 11.0(0.1). Known Fixed Releases: 11.0(0)MP2.153 11.0(0)MP2.62. • http://www.securityfocus.com/bid/98996 • CWE-20: Improper Input Validation •

CVE-2017-6630
https://notcve.org/view.php?id=CVE-2017-6630
22 May 2017 — A vulnerability in the Session Initiation Protocol (SIP) implementation of Cisco IP Phone 8851 11.0(0.1) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to an abnormal SIP message. An attacker could exploit this vulnerability by manipulating the CANCEL packet. An exploit could allow the attacker to cause a disruption of service to the phone. Cisco Bug IDs: CSCvc34795. • http://www.securityfocus.com/bid/98533 • CWE-399: Resource Management Errors •