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CVE-2022-40624: pfSense pfBlockerNG - OS Command Injection

TitlepfSense pfBlockerNG - OS Command Injection
Authorritikchaddha
SeverityCritical
ImpactAllows remote attackers to execute arbitrary code on the affected system
RemediationUpdate to the latest version of pfSense pfBlockerNG to mitigate CVE-2022-40624
CVSS Score9.8
EPSS Score0.91092
CVE IDCVE-2022-40624
CWE IDCWE-78
Shodan QuerypfBlockerNG
Fofa QuerypfBlockerNG
Tags cve cve2024 pfsense pfblockerng rce sqli netgate vuln

🔍 Vulnerability Description

pfSense pfBlockerNG through 2.1.4_27 allows remote attackers to execute arbitrary OS commands as root via the HTTP Host header.

🌐 HTTP Request

GET /pfblockerng/www/index.php HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/ Firefox/3.6.1
Connection: close
Accept-Encoding: gzip

📚 References

🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2022/CVE-2022-40624.yaml

🦈 Packet Capture: ⬇️ Download cve-2022-40624.pcap

⚠️ Notice: These rules are for detection purposes. Please tune them before applying to a production environment.
Snort 2 Rule
N/A
Snort 3 Rule
N/A