CVE-2023-26551

2023-04-1121:15:21

Debian Security Bug Tracker

security-tracker.debian.org

mstolfp

ntp

out-of-bounds

attack

ntpq

process

5.6 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

0.001 Low

EPSS

Percentile

34.1%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Debian11allntp<= 1:4.2.8p15+dfsg-1ntp_1:4.2.8p15+dfsg-1_all.deb
Debian10allntp<= 1:4.2.8p12+dfsg-4ntp_1:4.2.8p12+dfsg-4_all.deb