CVE-2026-111227
CVE-2026-111227 · Netgate pfSense CE through 2.9.0 CRLF Injection via services_unbound_acls.php
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Netgate pfSense CE through 2.9.0 contains a CRLF injection vulnerability in services_unbound_acls.php that allows authenticated users with the DNS Resolver: Access Lists privilege to inject Unbound configuration directives. Attackers can embed CR/LF characters in the aclname or aclaction fields written to access_lists.conf to add local-data, local-zone, or forward-zone directives and control DNS answers served to LAN clients.
CVSS 5.1 · Mittel · EPSS 1,8%
- Veröffentlicht
- Aktualisiert
Betroffene Produkte und Versionen
pfsense ce
- Softwareversionen
- ≥ 0, ≤ 2.9.0: Betroffen (semver)
Keine Korrektur veröffentlicht
Originalquellen
- https://github.com/abraxas/pfsense-unbound-acl-crlf
- https://abraxaslabs.tech/research/pfsense-ce-leftovers
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/unbound.inc#L1094-L1112
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/services_unbound_acls.php#L121-L142
- https://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-crlf-injection-via-services-unbound-acls-php
- https://nvd.nist.gov/vuln/detail/CVE-2026-111227