CVE-2022-24756

{"id": "CVE-2022-24756", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2022-03-15T15:15:08.437", "references": [{"url": "https://github.com/bareos/bareos/pull/1115", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/bareos/bareos/pull/1119", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/bareos/bareos/pull/1121", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/bareos/bareos/security/advisories/GHSA-jh55-4wgw-xc9j", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://huntr.dev/bounties/480121f2-bc3c-427e-986e-5acffb1606c5/", "tags": ["Exploit", "Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "Bareos is open source software for backup, archiving, and recovery of data for operating systems. When Bareos Director >= 18.2 but prior to 21.1.0, 20.0.6, and 19.2.12 is built and configured for PAM authentication, a failed PAM authentication will leak a small amount of memory. An attacker that is able to use the PAM Console (i.e. by knowing the shared secret or via the WebUI) can flood the Director with failing login attempts which will eventually lead to an out-of-memory condition in which the Director will not work anymore. Bareos Director versions 21.1.0, 20.0.6 and 19.2.12 contain a Bugfix for this problem. Users who are unable to upgrade may disable PAM authentication as a workaround."}, {"lang": "es", "value": "Bareos es un software de c\u00f3digo abierto para la realizaci\u00f3n de copias de seguridad, archivo y recuperaci\u00f3n de datos para sistemas operativos. Cuando Bareos Director versiones posteriores a 18.2 incluy\u00e9ndola, pero anteriores a 21.1.0, 20.0.6, y 19.2.12, es construido y configurado para la autenticaci\u00f3n PAM, una autenticaci\u00f3n PAM fallida filtrar\u00e1 una peque\u00f1a cantidad de memoria. Un atacante que sea capaz de usar la consola PAM (es decir, conociendo el secreto compartido o por medio de la WebUI) puede inundar el Director con intentos fallidos de inicio de sesi\u00f3n, lo que finalmente conllevar\u00e1 a una condici\u00f3n de falta de memoria en la que Director dejar\u00e1 de funcionar. Bareos Director versiones 21.1.0, 20.0.6 y 19.2.12, contienen una correcci\u00f3n de errores para este problema. Los usuarios que no puedan actualizar pueden deshabilitar la autenticaci\u00f3n PAM Como medida de mitigaci\u00f3n"}], "lastModified": "2022-03-24T02:58:07.437", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:bareos:bareos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8B87F6ED-504F-444D-B73F-FB992F85BE8C", "versionEndExcluding": "19.2.12", "versionStartIncluding": "18.2"}, {"criteria": "cpe:2.3:a:bareos:bareos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B7A73A54-46B9-44DD-A72B-3C7079A1C3DA", "versionEndExcluding": "20.0.6", "versionStartIncluding": "20.0.0"}, {"criteria": "cpe:2.3:a:bareos:bareos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D8107656-119B-4C4F-8365-CB1B79CE3233", "versionEndExcluding": "21.1.0", "versionStartIncluding": "21.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}