CVE-2023-26552 — MEDIUM (5.6)

Vulnerability Description

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

CVSS Score

5.6

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Ntp	Ntp	4.2.8

Related Weaknesses (CWE)

CWE-787

References

https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26552Third Party Advisory
https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506667321Third Party Advisory
https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26552Third Party Advisory
https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506667321Third Party Advisory

FAQ

What is CVE-2023-26552?

CVE-2023-26552 is a vulnerability with a CVSS score of 5.6 (MEDIUM). mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a decimal point. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.

How severe is CVE-2023-26552?

CVE-2023-26552 has been rated MEDIUM with a CVSS base score of 5.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-26552?

Check the references section above for vendor advisories and patch information. Affected products include: Ntp Ntp.