CVE-2023-26555

2023-04-1121:15:21

Debian Security Bug Tracker

security-tracker.debian.org

cve-2023-26555

ntp 4.2.8p15

out-of-bounds write

praecis_parse

gps receiver

unix

6.4 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

25.6%

JSON

praecis_parse in ntpd/refclock_palisade.c in NTP 4.2.8p15 has an out-of-bounds write. Any attack method would be complex, e.g., with a manipulated GPS receiver.

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