SB2018060718 - Denial of service in Cisco IP Phones



SB2018060718 - Denial of service in Cisco IP Phones

Published: June 7, 2018

Security Bulletin ID SB2018060718
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 security vulnerability.


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

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.