Ntpsec
CVE-2023-4012
HIGH
Vulnerability Assessment
| Weakness |
CWE
|
| Impact | CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system. |
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Alert meAnalysisAI
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.
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.
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Technical ContextAI · show details
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.
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- Exploit and PoC references, threat intelligence from 22 sources
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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
DescriptionNVD
ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request (mode 3).
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)NVD
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
Arbitrary shell command execution in gpsd's gpsprof profiling tool (through release-3.27.5) allows an attacker who contr
Remote denial of service in NTPsec ntpd 1.1.4 through 1.2.5 lets an unauthenticated network attacker crash the daemon by
Denial of service in NTPsec ntpd 1.1.4 through 1.2.5 allows a remote unauthenticated attacker to terminate the daemon by
ntpkeygen can generate keys that ntpd fails to parse. Rated high severity (CVSS 7.4), this vulnerability is remotely exp
Heap-based memory corruption in NTPsec ntpd before 1.2.6 affects deployments that explicitly enable the non-default JJY
Out-of-bounds read in NTPsec ntpd before 1.2.6 can crash the daemon or disclose limited memory when an attacker controls
Buffer overflow in NTPsec's Zyfer refclock driver crashes the ntpd daemon on affected systems running versions prior to
ntpd in NTP 4.2.8p3 and NTPsec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 relies on the underlying operating system to pro
GitHub PoC
Exploit-DB