SB2018060718 - Denial of service in Cisco IP Phones

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Main Vulnerability Database SB2018060718

SB2018060718 - Denial of service in Cisco IP Phones

Published: June 7, 2018

Security Bulletin ID SB2018060718
CSH Severity
Low
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper input validation (CVE-ID: CVE-2018-0332)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists in the Session Initiation Protocol (SIP) ingress packet processing of Cisco Unified IP Phone software due to a lack of flow-control mechanisms in the software. A remote attacker can send high volumes of SIP INVITE traffic and cause a disruption of services on the targeted IP phone.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References