UBUNTU-CVE-2023-4012

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Source
https://ubuntu.com/security/CVE-2023-4012
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-4012.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2023-4012
Upstream
Published
2023-08-07T18:15:00Z
Modified
2025-07-18T16:54:06Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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

References

Affected packages

Ubuntu:Pro:18.04:LTS / ntpsec

Package

Name
ntpsec
Purl
pkg:deb/ubuntu/ntpsec@1.1.0+dfsg1-1ubuntu0.2?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.0.0+dfsg1-1
1.0.0+dfsg1-3
1.1.0+dfsg1-1
1.1.0+dfsg1-1ubuntu0.1
1.1.0+dfsg1-1ubuntu0.2

Ubuntu:Pro:20.04:LTS / ntpsec

Package

Name
ntpsec
Purl
pkg:deb/ubuntu/ntpsec@1.1.8+dfsg1-4build1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.1.3+dfsg1-2
1.1.7+dfsg1-1
1.1.7+dfsg1-2
1.1.8+dfsg1-1
1.1.8+dfsg1-3
1.1.8+dfsg1-4
1.1.8+dfsg1-4build1

Ubuntu:22.04:LTS / ntpsec

Package

Name
ntpsec
Purl
pkg:deb/ubuntu/ntpsec@1.2.1+dfsg1-4?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.2.0+dfsg1-4
1.2.1+dfsg1-2
1.2.1+dfsg1-3
1.2.1+dfsg1-3ubuntu1
1.2.1+dfsg1-4