CVE-2019-12578

{"id": "CVE-2019-12578", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2019-07-11T20:15:13.193", "references": [{"url": "https://github.com/mirchr/security-research/blob/master/vulnerabilities/PIA/CVE-2019-12578.txt", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-88"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the London Trust Media Private Internet Access (PIA) VPN Client v82 for Linux could allow an authenticated, local attacker to run arbitrary code with elevated privileges. The openvpn_launcher.64 binary is setuid root. This binary executes /opt/pia/openvpn-64/openvpn, passing the parameters provided from the command line. Care was taken to programmatically disable potentially dangerous openvpn parameters; however, the --route-pre-down parameter can be used. This parameter accepts an arbitrary path to a script/program to be executed when OpenVPN exits. The --script-security parameter also needs to be passed to allow for this action to be taken, and --script-security is not currently in the disabled parameter list. A local unprivileged user can pass a malicious script/binary to the --route-pre-down option, which will be executed as root when openvpn is stopped."}, {"lang": "es", "value": "Una vulnerabilidad en el cliente VPN de Private Internet Access (PIA) de London Trust Media para Linux, podr\u00eda permitir a un atacante local autenticado ejecutar c\u00f3digo arbitrario con privilegios elevados. El binario openvpn_launcher.64 es root setuid. Este binario ejecuta el archivo /opt/pia/openvpn-64/openvpn, pasando los par\u00e1metros proporcionados desde la l\u00ednea de comandos. Se tuvo cuidado de desactivar mediante programaci\u00f3n los par\u00e1metros openvpn potencialmente peligrosos; sin embargo, puede ser utilizado el par\u00e1metro --route-pre-down. Este par\u00e1metro acepta una ruta (path) arbitraria en un script/programa que se ejecutar\u00e1 cuando se cierre OpenVPN. El par\u00e1metro --script-security tambi\u00e9n debe pasarse para permitir que se tome esta acci\u00f3n y --script-security no est\u00e1 actualmente en la lista de par\u00e1metros deshabilitados. Un usuario local sin privilegios puede pasar un script/binario malicioso a la opci\u00f3n --route-pre-down, que ser\u00e1 ejecutado como root cuando se detenga openvpn."}], "lastModified": "2020-08-24T17:37:01.140", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:londontrustmedia:private_internet_access_vpn_client:82:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "23845C1B-3AC7-426E-92C5-9EE5CAC42B68"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}