CVE-2023-26551

EUVD-2023-30348
mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write in the cp<cpdec while loop. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.6 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CISA-ADPADP
5.6 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 44%
Affected Products (NVD)
VendorProductVersion
ntpntp
4.2.8:p15
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
ntp
bullseye
unimportant
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
ntp
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
kinetic
dne
lunar
dne
mantic
dne
noble
dne
oracular
dne
trusty
ignored
xenial
needs-triage
Common Weakness Enumeration
References
https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26551
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-2023-26551
https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506667321