SB2018081615 - Denial of service in Cisco ASR 9000 Series Aggregation Services Routers



SB2018081615 - Denial of service in Cisco ASR 9000 Series Aggregation Services Routers

Published: August 16, 2018

Security Bulletin ID SB2018081615
Severity
Low
Patch available
YES
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-2018-0418)

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

The vulnerability exists in the Local Packet Transport Services (LPTS) feature set due to lack of input and validation checking on certain Precision Time Protocol (PTP) ingress traffic. A remote attacker can inject malformed traffic into and cause services on the device to become unresponsive.


Remediation

Install update from vendor's website.