CVE-2026-119560

Publié : 30 octobre 2026

Modifié : 30 octobre 2026

Score CVSS

5.9

MEDIUM

Description détaillée

OPNsense core through 26.7.8 contains a configuration injection vulnerability that allows authenticated users to append ntpd.conf directives by embedding newlines in the fudge and refid fields. Attackers holding the page-services-ntp-gps or PPS privilege can submit CR/LF characters via services_ntpd_gps.php or services_ntpd_pps.php to inject directives loaded by ntpd running as root.

Vecteur d'attaque (CVSS)

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

Références et Patchs

https://abraxaslabs.tech/research/opnsense-ntp-gps-fudge https://github.com/opnsense/core https://github.com/opnsense/core/blob/26.7.8/src/etc/inc/plugins.inc.d/ntpd.inc#L285-L312 https://github.com/opnsense/core/blob/26.7.8/src/www/services_ntpd_gps.php#L49 https://github.com/opnsense/core/security/advisories/GHSA-fq94-cxvc-9r7w https://www.vulncheck.com/advisories/opnsense-core-through-26.7.8-ntp-configuration-injection-via-gps-and-pps-fudge-fields

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