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CVE-2023-26553

Date: April 11, 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.

Language: C

Severity Score

Related Resources (6)

https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506667321
https://nvd.nist.gov/vuln/detail/CVE-2023-26553
https://access.redhat.com/security/cve/CVE-2023-26553
https://security-tracker.debian.org/tracker/CVE-2023-26553
https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26553
https://www.mend.io/vulnerability-database/CVE-2023-26553

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

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