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Cisco IP Phone 7800 and 8800 Series Session Initiation Protocol Denial of Service Vulnerability

cisco-sa-20190703-ip-phone-sip-dos · Medium · Published · Updated

A vulnerability in Cisco SIP IP Phone Software for Cisco IP Phone 7800 Series and 8800 Series could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected phone. The vulnerability is due to insufficient validation of input Session Initiation Protocol (SIP) packets. An attacker could exploit this vulnerability by altering the SIP replies that are sent to the affected phone during the registration process. A successful exploit could allow the attacker to cause the phone to reboot and not complete the registration process. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-ip-phone-sip-dos

Cisco advisory ·CSAF JSON

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2019-1922
Cisco Bug IDsCSCvc61672
CVSS ScoreBase 5.3
Base 5.3 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H/E:X/RL:X/RC:X
Product Names From Source
Cisco IP Phone 8800 Series Software, Cisco IP Phone 7800 Series

CSAF Product Statuses

Product Status Source CVE Rows
Cisco IP Phone 7800 Series known_affected cisco_csaf CVE-2019-1922 1
Cisco IP Phone 8800 Series Software known_affected cisco_csaf CVE-2019-1922 1

Related Products

Product CVE Evidence
Cisco IP phone CVE-2019-1922 Cisco OpenVuln
Cisco IP Phone 7800 Series CVE-2019-1922 Cisco OpenVuln · family-level
Cisco IP Phone 8800 Series Software CVE-2019-1922 Cisco OpenVuln · family-level
Cisco 8000 Series Routers CVE-2019-1922 Cisco OpenVuln