Ntpsec
CVE-2023-4012
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request (mode 3).
AnalysisAI
ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request (mode 3). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-372. ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request (mode 3). Affected products include: Ntpsec.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
An issue was discovered in NTPsec before 1.1.3. Rated critical severity (CVSS 9.1), this vulnerability is remotely explo
An issue was discovered in NTPsec before 1.1.3. Rated critical severity (CVSS 9.1), this vulnerability is remotely explo
An issue was discovered in NTPsec before 1.1.3. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploit
An issue was discovered in NTPsec before 1.1.3. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploit
ntpkeygen can generate keys that ntpd fails to parse. Rated high severity (CVSS 7.4), this vulnerability is remotely exp
ntpd in NTP 4.2.8p3 and NTPsec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 relies on the underlying operating system to pro
Same weakness CWE-372 – Incomplete Internal State Distinction
View allSame technique Denial Of Service
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External POC / Exploit Code
Leaving vuln.today