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ubuntucveUbuntu.comUB:CVE-2023-26554
HistoryApr 11, 2023 - 12:00 a.m.

CVE-2023-26554

2023-04-1100:00:00
ubuntu.com
ubuntu.com
17
cve-2023-26554; ntp; out-of-bounds write; mstolfp; libntp; ntpq cli issue; unix

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

34.3%

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.

Notes

Author Note
rodrigo-zaiden ntpq CLI issue only.

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

34.3%