#VU36001 Security Features in ntp - CVE-2019-11331

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Main Vulnerability Database Vulnerabilities #VU36001

#VU36001 Security Features in ntp - CVE-2019-11331

Published: April 19, 2019 / Updated: August 8, 2020


Vulnerability identifier: #VU36001
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-11331
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
ntp
Software vendor:
ntp.org

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Network Time Protocol (NTP), as specified in RFC 5905, uses port 123 even for modes where a fixed port number is not required, which makes it easier for remote attackers to conduct off-path attacks.


Remediation

Install update from vendor's website.

External links