CVE-2018-0378: cisco cisco nx-os software for nexus 6000 series Improper Input Validation

Vulnerability summary

CVE-2018-0378 is a high (CVSS 8.6) Improper Input Validation vulnerability in cisco cisco nx-os software for nexus 6000 series. EPSS estimates a 4.01% chance of exploitation in the next 30 days, higher than 90.4% of scored vulnerabilities.

Timeline

1. 17-10-2018
   PublishedVulnerability first disclosed.
2. 26-11-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability in the Precision Time Protocol (PTP) feature of Cisco Nexus 5500, 5600, and 6000 Series Switches running Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a lack of protection against PTP frame flood attacks. An attacker could exploit this vulnerability by sending large streams of malicious IPv4 or IPv6 PTP traffic to the affected device. A successful exploit could allow the attacker to cause a DoS condition, impacting the traffic passing through the device.

• CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.