{ "id": "CVE-2021-43859", "sourceIdentifier": "security-advisories@github.com", "published": "2022-02-01T12:15:08.080", "lastModified": "2023-11-07T03:39:28.010", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "XStream is an open source java library to serialize objects to XML and back again. Versions prior to 1.4.19 may allow a remote attacker to allocate 100% CPU time on the target system depending on CPU type or parallel execution of such a payload resulting in a denial of service only by manipulating the processed input stream. XStream 1.4.19 monitors and accumulates the time it takes to add elements to collections and throws an exception if a set threshold is exceeded. Users are advised to upgrade as soon as possible. Users unable to upgrade may set the NO_REFERENCE mode to prevent recursion. See GHSA-rmr5-cpv2-vgjf for further details on a workaround if an upgrade is not possible." }, { "lang": "es", "value": "XStream es una biblioteca java de c\u00f3digo abierto para serializar objetos a XML y viceversa. Las versiones anteriores a 1.4.19, pueden permitir a un atacante remoto asignar el 100% del tiempo de la CPU en el sistema de destino, dependiendo del tipo de CPU o de la ejecuci\u00f3n en paralelo de dicha carga \u00fatil, resultando en una denegaci\u00f3n de servicio \u00fanicamente mediante la manipulaci\u00f3n del flujo de entrada procesado. XStream versi\u00f3n 1.4.19 monitoriza y acumula el tiempo que tarda en a\u00f1adir elementos a las colecciones y lanza una excepci\u00f3n si es superado un umbral establecido. Se recomienda a usuarios que actualicen lo antes posible. Los usuarios que no puedan actualizar pueden establecer el modo NO_REFERENCE para impedir una recursi\u00f3n. Ver GHSA-rmr5-cpv2-vgjf para m\u00e1s detalles sobre una medida de mitigaci\u00f3n adicional si una actualizaci\u00f3n no es posible" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 }, { "source": "security-advisories@github.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-400" } ] }, { "source": "security-advisories@github.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-400" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", 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"cpe:2.3:a:oracle:retail_xstore_point_of_service:19.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "073FEA23-E46A-4C73-9D29-95CFF4F5A59D" }, { "vulnerable": true, "criteria": "cpe:2.3:a:oracle:retail_xstore_point_of_service:20.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "A69FB468-EAF3-4E67-95E7-DF92C281C1F1" } ] } ] } ], "references": [ { "url": "http://www.openwall.com/lists/oss-security/2022/02/09/1", "source": "security-advisories@github.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://github.com/x-stream/xstream/commit/e8e88621ba1c85ac3b8620337dd672e0c0c3a846", "source": "security-advisories@github.com", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://github.com/x-stream/xstream/security/advisories/GHSA-rmr5-cpv2-vgjf", "source": "security-advisories@github.com", "tags": [ "Exploit", "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00018.html", "source": "security-advisories@github.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VACQYG356OHUTD5WQGAQ4L2TTFTAV3SJ/", "source": "security-advisories@github.com" }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XODFRE2ZL64FICBJDOPWOLPTSSAI4U7X/", "source": "security-advisories@github.com" }, { "url": "https://www.oracle.com/security-alerts/cpuapr2022.html", "source": "security-advisories@github.com", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://www.oracle.com/security-alerts/cpujul2022.html", "source": "security-advisories@github.com", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://x-stream.github.io/CVE-2021-43859.html", "source": "security-advisories@github.com", "tags": [ "Exploit", "Vendor Advisory" ] } ] }