A vulnerability in the implementation of Session Initiation Protocol (SIP) functionality in Cisco Small Business SPA51x Series IP Phones could allow an unauthenticated, remote attacker to cause an affected device to become unresponsive, resulting in a denial of service (DoS) condition. The vulnerability is due to the improper handling of SIP request messages by an affected device. An attacker could exploit this vulnerability by sending malformed SIP messages to an affected device. A successful exploit could allow the attacker to cause the affected device to become unresponsive, resulting in a DoS condition that persists until the device is restarted manually. This vulnerability affects Cisco Small Business SPA51x Series IP Phones that are running Cisco SPA51x Firmware Release 7.6.2SR1 or earlier. Cisco Bug IDs: CSCvc63982.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published: 2017-10-19T08:00:00

Updated: 2024-08-05T18:28:16.740Z

Reserved: 2017-08-03T00:00:00

Link: CVE-2017-12259

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2017-10-19T08:29:00.263

Modified: 2019-10-09T23:22:46.107

Link: CVE-2017-12259

cve-icon Redhat

No data.