HIGH · 7.5

CVE-2018-0332

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)...

Vulnerability Description

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. Cisco Bug IDs: CSCve10064, CSCve14617, CSCve14638, CSCve14683, CSCve20812, CSCve20926, CSCve20945.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
CiscoUnified Ip Phone Firmware9.9\(9.99002.1\)
CiscoUnified Ip Phone 9951-
CiscoUnified Ip Phone 9971-
CiscoUnified Ip Phone 7906G-
CiscoUnified Ip Phone 7911G-
CiscoUnified Ip Phone 7912G-
CiscoUnified Ip Phone 7931G-
CiscoUnified Ip Phone 7940G-
CiscoUnified Ip Phone 7941G-
CiscoUnified Ip Phone 7942G-
CiscoUnified Ip Phone 7945G-
CiscoUnified Ip Phone 7960G-
CiscoUnified Ip Phone 7961G-
CiscoUnified Ip Phone 7962G-
CiscoUnified Ip Phone 7965G-
CiscoUnified Ip Phone 7975G-
CiscoIp Phone Firmware9.4\(2\)sr3.1
CiscoIp Phone 7811-
CiscoIp Phone 7821-
CiscoIp Phone 7841-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2018-0332?

CVE-2018-0332 is a vulnerability with a CVSS score of 7.5 (HIGH). 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)...

How severe is CVE-2018-0332?

CVE-2018-0332 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-0332?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Unified Ip Phone Firmware, Cisco Unified Ip Phone 9951, Cisco Unified Ip Phone 9971, Cisco Unified Ip Phone 7906G, Cisco Unified Ip Phone 7911G.