Improper input validation in Cisco NX-OS - CVE-2018-0378
Published: October 17, 2018 / Updated: October 18, 2018
Vulnerability identifier: #VU15420
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2018-0378
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco NX-OS
Cisco NX-OS
Detailed vulnerability description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists in the Precision Time Protocol (PTP) feature due to a lack of protection against PTP frame flood attacks. A remote attacker can send large streams of malicious IPv4 or IPv6 PTP traffic to and cause a DoS condition, impacting the traffic passing through the device.
How to mitigate CVE-2018-0378
Install update from vendor's website.