What is the severity of CVE-2023-4012?

CVE-2023-4012 has been rated as a medium severity vulnerability due to potential system crashes.

How do I fix CVE-2023-4012?

To fix CVE-2023-4012, ensure that the NTP service is configured to handle NTS-enabled client requests properly.

What software versions are affected by CVE-2023-4012?

CVE-2023-4012 affects NTPsec version 1.2.2.

What happens if my server receives an NTS-enabled client request with CVE-2023-4012?

If your server is not NTS-enabled, it will crash upon receiving an NTS-enabled client request in mode 3.

Is this vulnerability specific to NTPsec software?

Yes, CVE-2023-4012 specifically affects the NTPsec software implementation.

Vulnerability/
CVE-2023-4012

high

7.5

CWE

372

7/8/2023

21/11/2024

CVE-2023-4012: Incomplete Internal State Distinction in ntpsec

First published: Mon Aug 07 2023(Updated: )

ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request (mode 3).

Credit: cve@gitlab.com cve@gitlab.com

Affected Software	Affected Version	How to fix
NTPsec	=1.2.2

Remedy

Upgrade to version 1.2.2a or 1.2.3

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2023-4012?
CVE-2023-4012 has been rated as a medium severity vulnerability due to potential system crashes.
How do I fix CVE-2023-4012?
To fix CVE-2023-4012, ensure that the NTP service is configured to handle NTS-enabled client requests properly.
What software versions are affected by CVE-2023-4012?
CVE-2023-4012 affects NTPsec version 1.2.2.
What happens if my server receives an NTS-enabled client request with CVE-2023-4012?
If your server is not NTS-enabled, it will crash upon receiving an NTS-enabled client request in mode 3.
Is this vulnerability specific to NTPsec software?
Yes, CVE-2023-4012 specifically affects the NTPsec software implementation.

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agent/softwarecombine
agent/event
agent/source
agent/tags
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/software-canonical-lookup-request
collector/nvd-index
vendor/ntpsec
canonical/ntpsec
version/ntpsec/1.2.2

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Frequently Asked Questions

What is the severity of CVE-2023-4012?
CVE-2023-4012 has been rated as a medium severity vulnerability due to potential system crashes.
How do I fix CVE-2023-4012?
To fix CVE-2023-4012, ensure that the NTP service is configured to handle NTS-enabled client requests properly.
What software versions are affected by CVE-2023-4012?
CVE-2023-4012 affects NTPsec version 1.2.2.
What happens if my server receives an NTS-enabled client request with CVE-2023-4012?
If your server is not NTS-enabled, it will crash upon receiving an NTS-enabled client request in mode 3.
Is this vulnerability specific to NTPsec software?
Yes, CVE-2023-4012 specifically affects the NTPsec software implementation.