CVE-2023-26554 - Vulnerability Details - OpenCVE

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a '\0' character. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Ntp	Ntp

Configuration 1 [-]

cpe:2.3:a:ntp:ntp:4.2.8:p15:*:*:*:*:*:*

No data.

References

Link	Providers
https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26554
https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506667321
https://nvd.nist.gov/vuln/detail/CVE-2023-26554
https://www.cve.org/CVERecord?id=CVE-2023-26554

History

Wed, 16 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00162}`	epss `{'score': 0.00166}`

Wed, 12 Feb 2025 20:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-04-11T00:00:00.000Z

Updated: 2025-02-11T15:26:14.067Z

Reserved: 2023-02-25T00:00:00.000Z

Link: CVE-2023-26554

Vulnrichment

Updated: 2024-08-02T11:53:54.436Z

NVD

Status : Modified

Published: 2023-04-11T21:15:21.777

Modified: 2025-02-11T16:15:36.183

Link: CVE-2023-26554

Redhat

Severity : Moderate

Publid Date: 2023-04-12T00:00:00Z

Links: CVE-2023-26554 - Bugzilla

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