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ubuntucveUbuntu.comUB:CVE-2023-26555
HistoryApr 11, 2023 - 12:00 a.m.

CVE-2023-26555

2023-04-1100:00:00
ubuntu.com
ubuntu.com
19
ntp
out-of-bounds write
gps receiver manipulation
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%

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.

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%