CVE-2023-26553

medium

Description

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when copying the trailing number. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-24-165-05

https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506667321

https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26553

Details

Source: Mitre, NVD

Published: 2023-04-11

Updated: 2023-04-20

Risk Information

CVSS v2

Base Score: 5.1

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 5.6

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L