Security Features in ntp

1) Security Features

EUVDB-ID: #VU36001

Risk: High

CVSSv4.0: 7.2 [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 - Security Features

Exploit availability: No

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ntp: All versions

CPE2.3

• cpe:2.3:a:ntp_org:ntp:*:*:*:*:*:*:*:*

External links

https://www.securityfocus.com/bid/108010
https://support.f5.com/csp/article/K09940637
https://support.f5.com/csp/article/K09940637?utm_source=f5support&utm_medium=RSS
https://tools.ietf.org/html/draft-gont-ntp-port-randomization-00

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.