CVE-2019-11331

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.

CVSS v3 8.1 HIGH
CVSS v2.0 6.8 MEDIUM

8.1^/10

CVSS v3 : HIGH

Vector : AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://www.securityfocus.com/bid/108010	Third Party Advisory
https://support.f5.com/csp/article/K09940637
https://support.f5.com/csp/article/K09940637?utm_source=f5support&amp%3Butm_medium=RSS
https://tools.ietf.org/html/draft-gont-ntp-port-randomization-00	Third Party Advisory
http://www.securityfocus.com/bid/108010	Third Party Advisory
https://support.f5.com/csp/article/K09940637
https://support.f5.com/csp/article/K09940637?utm_source=f5support&amp%3Butm_medium=RSS
https://tools.ietf.org/html/draft-gont-ntp-port-randomization-00	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:ntp:ntp:-:*:*:*:*:*:*:*

History

21 Nov 2024, 04:20

Type	Values Removed	Values Added
References	~~() http://www.securityfocus.com/bid/108010 - Third Party Advisory~~	() http://www.securityfocus.com/bid/108010 - Third Party Advisory
References	~~() https://support.f5.com/csp/article/K09940637 -~~	() https://support.f5.com/csp/article/K09940637 -
References	~~() https://support.f5.com/csp/article/K09940637?utm_source=f5support&amp%3Butm_medium=RSS -~~	() https://support.f5.com/csp/article/K09940637?utm_source=f5support&amp%3Butm_medium=RSS -
References	~~() https://tools.ietf.org/html/draft-gont-ntp-port-randomization-00 - Third Party Advisory~~	() https://tools.ietf.org/html/draft-gont-ntp-port-randomization-00 - Third Party Advisory

Information

Published : 2019-04-18 22:29

Updated : 2024-11-21 04:20

NVD link : CVE-2019-11331

Mitre link : CVE-2019-11331

CVE.ORG link : CVE-2019-11331

JSON object : View

Products Affected

ntp

ntp

CWE

NVD-CWE-noinfo

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