Cisco Unified IP Phone Software Denial of Service Vulnerability

2018-06-0616:00:00

tools.cisco.com

EPSS

0.002

Percentile

61.9%

JSON

A vulnerability in the Session Initiation Protocol (SIP) ingress packet processing of Cisco Unified IP Phone software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.

The vulnerability is due to a lack of flow-control mechanisms in the software. An attacker could exploit this vulnerability by sending high volumes of SIP INVITE traffic to the targeted device. Successful exploitation could allow the attacker to cause a disruption of services on the targeted IP phone.

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-20180606-ip-phone-dos [“https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-ip-phone-dos”]

Affected configurations

Vulners

Node

ciscounified_ip_phones_9900_series_firmwareMatchany

ciscoip_phone_8800_seriesMatchany

ciscoip_phone_7800_series_firmwareMatchany

ciscounified_ip_phone_7900_series_firmwareMatchany

ciscounified_ip_phone_6900_series_firmwareMatchany

ciscounified_ip_phones_9951_firmwareMatch9900_series_firmware

ciscounified_ip_phoneMatch8800_series_software

ciscounified_ip_phoneMatch7800_series

ciscounified_ip_phoneMatch7900_series

ciscounified_ip_phoneMatch6900_series

VendorProductVersionCPE
ciscounified_ip_phones_9900_series_firmwareanycpe:2.3:o:cisco:unified_ip_phones_9900_series_firmware:any:*:*:*:*:*:*:*
ciscoip_phone_8800_seriesanycpe:2.3:a:cisco:ip_phone_8800_series:any:*:*:*:*:*:*:*
ciscoip_phone_7800_series_firmwareanycpe:2.3:o:cisco:ip_phone_7800_series_firmware:any:*:*:*:*:*:*:*
ciscounified_ip_phone_7900_series_firmwareanycpe:2.3:o:cisco:unified_ip_phone_7900_series_firmware:any:*:*:*:*:*:*:*
ciscounified_ip_phone_6900_series_firmwareanycpe:2.3:o:cisco:unified_ip_phone_6900_series_firmware:any:*:*:*:*:*:*:*
ciscounified_ip_phones_9951_firmware9900_series_firmwarecpe:2.3:o:cisco:unified_ip_phones_9951_firmware:9900_series_firmware:*:*:*:*:*:*:*
ciscounified_ip_phone8800_series_softwarecpe:2.3:h:cisco:unified_ip_phone:8800_series_software:*:*:*:*:*:*:*
ciscounified_ip_phone7800_seriescpe:2.3:h:cisco:unified_ip_phone:7800_series:*:*:*:*:*:*:*
ciscounified_ip_phone7900_seriescpe:2.3:h:cisco:unified_ip_phone:7900_series:*:*:*:*:*:*:*
ciscounified_ip_phone6900_seriescpe:2.3:h:cisco:unified_ip_phone:6900_series:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cisco	unified_ip_phones_9900_series_firmware	any	cpe:2.3:o:cisco:unified_ip_phones_9900_series_firmware:any:::::::*
cisco	ip_phone_8800_series	any	cpe:2.3:a:cisco:ip_phone_8800_series:any:::::::*
cisco	ip_phone_7800_series_firmware	any	cpe:2.3:o:cisco:ip_phone_7800_series_firmware:any:::::::*
cisco	unified_ip_phone_7900_series_firmware	any	cpe:2.3:o:cisco:unified_ip_phone_7900_series_firmware:any:::::::*
cisco	unified_ip_phone_6900_series_firmware	any	cpe:2.3:o:cisco:unified_ip_phone_6900_series_firmware:any:::::::*
cisco	unified_ip_phones_9951_firmware	9900_series_firmware	cpe:2.3:o:cisco:unified_ip_phones_9951_firmware:9900_series_firmware:::::::*
cisco	unified_ip_phone	8800_series_software	cpe:2.3:h:cisco:unified_ip_phone:8800_series_software:::::::*
cisco	unified_ip_phone	7800_series	cpe:2.3:h:cisco:unified_ip_phone:7800_series:::::::*
cisco	unified_ip_phone	7900_series	cpe:2.3:h:cisco:unified_ip_phone:7900_series:::::::*
cisco	unified_ip_phone	6900_series	cpe:2.3:h:cisco:unified_ip_phone:6900_series:::::::*