CVE-2018-0316 Details

CVE-2018-0316

Published: 2018-06-07
Last Modified: 2019-10-09
CVE Author: NIST National Vulnerability Database
CVE Assigner: psirt@cisco.com
Summary

A vulnerability in the Session Initiation Protocol (SIP) call-handling functionality of Cisco IP Phone 6800, 7800, and 8800 Series Phones with Multiplatform Firmware could allow an unauthenticated, remote attacker to cause an affected phone to reload unexpectedly, resulting in a temporary denial of service (DoS) condition. The vulnerability exists because the firmware of an affected phone incorrectly handles errors that could occur when an incoming phone call is not answered. An attacker could exploit this vulnerability by sending a set of maliciously crafted SIP packets to an affected phone. A successful exploit could allow the attacker to cause the affected phone to reload unexpectedly, resulting in a temporary DoS condition. This vulnerability affects Cisco IP Phone 6800, 7800, and 8800 Series Phones with Multiplatform Firmware if they are running a Multiplatform Firmware release prior to Release 11.1(2). Cisco Bug IDs: CSCvi24718.

Analysis
Common Vulnerability Score System v2.0
Severity High
Base Score 7.8/10
Exploit Score 10/10
Access Vector Network
Access Complexity Low
Authentication None
Impact Score 6.9/10
Confidentiality Impact None
Availability Impact Complete
Integrity Impact None
Vector String AV:N/AC:L/Au:N/C:N/I:N/A:C
Common Vulnerability Score System v3.1
Severity High
Base Score 7.5/10
Exploit Score 3.9/10
Access Vector Network
Access Complexity Low
Privileges Required None
Impact Score 3.6/10
Confidentiality Impact None
Availability Impact High
Integrity Impact None
Scope Unchanged
User Interaction None
Vector String CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Products Reported
CPE Vulnerable Start Excluding
References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-
http://www.securitytracker.com/id/1041073

CVE ID
CVE-2018-0316
Published
2018-06-07
Modified
2019-10-09
CVSSv2.0
High
CVSSv3.1
High
PCI Compliance
Pass
US-CERT Alert
No
CWE
CWE-755

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