CVE-2023-26553

Published: 11 April 2023

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when copying the trailing number. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.

Notes

Author	Note
rodrigo-zaiden	ntpq CLI issue only.

Priority

Cvss 3 Severity Score

5.6

Score breakdown

Status

Package	Release	Status
ntp Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	jammy	Needs triage
	kinetic	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	noble	Does not exist
	trusty	Needs triage
	upstream	Needs triage
	xenial	Needs triage

Severity score breakdown

Parameter	Value
Base score	5.6
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity impact	Low
Availability impact	Low
Vector	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

References

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