CVE-2019-5440

{"id": "CVE-2019-5440", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}]}, "published": "2019-05-28T19:29:06.190", "references": [{"url": "https://hackerone.com/reports/576504", "tags": ["Exploit", "Third Party Advisory"], "source": "support@hackerone.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-338"}]}, {"type": "Secondary", "source": "support@hackerone.com", "description": [{"lang": "en", "value": "CWE-338"}]}], "descriptions": [{"lang": "en", "value": "Use of cryptographically weak PRNG in the password recovery token generation of Revive Adserver < v4.2.1 causes a potential authentication bypass attack if an attacker exploits the password recovery functionality. In lib/OA/Dal/PasswordRecovery.php, the function generateRecoveryId() generates a password reset token that relies on the PHP uniqid function and consequently depends only on the current server time, which is often visible in an HTTP Date header."}, {"lang": "es", "value": "El uso de PRNG (Generador de Numeros PseudoRandom) PRNG criptogr\u00e1ficamente d\u00e9bil en la generaci\u00f3n de token de recuperaci\u00f3n de contrase\u00f1a de Revive Adserver anterior a la versi\u00f3n 4.2.1, provoca un potencial ataque de omisi\u00f3n de autenticaci\u00f3n si un atacante explota la funcionalidad de recuperaci\u00f3n de contrase\u00f1a (password recovery)."}], "lastModified": "2019-10-09T23:50:52.417", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:revive-adserver:revive_adserver:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D7EECFFC-D1A0-42DD-AD60-85A922AA9159", "versionEndExcluding": "4.2.1"}], "operator": "OR"}]}], "sourceIdentifier": "support@hackerone.com"}