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ubuntucveUbuntu.comUB:CVE-2023-26551
HistoryApr 11, 2023 - 12:00 a.m.

CVE-2023-26551

2023-04-1100:00:00
ubuntu.com
ubuntu.com
102
cve-2023-26551
mstolfp
libntp
out-of-bounds write
ntp 4.2.8p15
cp<cpdec while loop
ntpq cli
ntpd
adversary
attack
client
process
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

34.4%

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.

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

34.4%