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osvGoogleOSV:CVE-2023-26553
HistoryApr 11, 2023 - 9:15 p.m.

CVE-2023-26553

2023-04-1121:15:21
Google
osv.dev
3
ntp
out-of-bounds write
vulnerability
mstolfp
libntp
client process

CVSS3

5.6

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

AI Score

5.9

Confidence

Low

EPSS

0.001

Percentile

37.9%

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.

CVSS3

5.6

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

AI Score

5.9

Confidence

Low

EPSS

0.001

Percentile

37.9%