VulnerabilityModified
CVE-2023-26554
mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a '\0' character.
MEDIUM 5.6EPSS 0.65%
Does this matter?
Lower severity and a low EPSS score (0.65%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.6 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- EPSS
- 0.65% probability · 49th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- ntp/ntp
- Source
- cve@mitre.org
References
- https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26554Third Party Advisory
- https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506667321Third Party Advisory
- https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26554Third Party Advisory
- https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506667321Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.