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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"}], "id": "CVE-2021-43859", "lastModified": "2023-11-07T03:39:28.010", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2022-02-01T12:15:08.080", "references": [{"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2022/02/09/1"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/x-stream/xstream/commit/e8e88621ba1c85ac3b8620337dd672e0c0c3a846"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/x-stream/xstream/security/advisories/GHSA-rmr5-cpv2-vgjf"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00018.html"}, {"source": "security-advisories@github.com", "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", "tags": ["Patch", "Third Party Advisory"], "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": ["Exploit", "Vendor Advisory"], "url": "https://x-stream.github.io/CVE-2021-43859.html"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2022:5532", "cpe": "cpe:/a:redhat:jboss_fuse:7", "package": "xstream", "product_name": "Red Hat Fuse 7.11", "release_date": "2022-07-07T00:00:00Z"}, {"advisory": "RHSA-2022:1420", "cpe": "cpe:/a:redhat:openshift:3.11::el7", "package": "jenkins-0:2.319.3.1650348949-1.el7", "product_name": "Red Hat OpenShift Container Platform 3.11", "release_date": "2022-04-27T00:00:00Z"}, {"advisory": "RHSA-2022:5606", "cpe": "cpe:/a:redhat:camel_quarkus:2.7", "package": "xstream", "product_name": "RHINT Camel-Q 2.7", "release_date": "2022-07-19T00:00:00Z"}], "bugzilla": {"description": "xstream: Injecting highly recursive collections or maps can cause a DoS", "id": "2049783", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2049783"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-400->CWE-770", "details": ["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."], "name": "CVE-2021-43859", "package_state": [{"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:6", "fix_state": "Out of support scope", "package_name": "xstream", "product_name": "Red Hat BPM Suite 6"}, {"cpe": "cpe:/a:redhat:jboss_developer_studio:12.", "fix_state": "Affected", "package_name": "xstream", "product_name": "Red Hat CodeReady Studio 12"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:8", "fix_state": "Affected", "package_name": "xstream", "product_name": "Red Hat Data Grid 8"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_brms_platform:7", "fix_state": "Will not fix", "package_name": "xstream", "product_name": "Red Hat Decision Manager 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "xstream", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:integration:1", "fix_state": "Affected", "package_name": "xstream", "product_name": "Red Hat Integration Camel K"}, {"cpe": "cpe:/a:redhat:jboss_amq:6", "fix_state": "Out of support scope", "package_name": "xstream", "product_name": "Red Hat JBoss A-MQ 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_brms_platform:5", "fix_state": "Out of support scope", "package_name": "xstream", "product_name": "Red Hat JBoss BRMS 5"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_brms_platform:6", "fix_state": "Out of support scope", "package_name": "xstream", "product_name": "Red Hat JBoss BRMS 6"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:7", "fix_state": "Out of support scope", "package_name": "xstream", "product_name": "Red Hat JBoss Data Grid 7"}, {"cpe": "cpe:/a:redhat:jboss_data_virtualization:6", "fix_state": "Out of support scope", "package_name": "xstream", "product_name": "Red Hat JBoss Data Virtualization 6"}, {"cpe": "cpe:/a:redhat:jboss_fuse:6", "fix_state": "Out of support scope", "package_name": "xstream", "product_name": "Red Hat JBoss Fuse 6"}, {"cpe": "cpe:/a:redhat:jboss_fuse_service_works:6", "fix_state": "Out of support scope", "package_name": "xstream", "product_name": "Red Hat JBoss Fuse Service Works 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_soa_platform:5", "fix_state": "Out of support scope", "package_name": "xstream", "product_name": "Red Hat JBoss SOA Platform 5"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "jenkins", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7", "fix_state": "Affected", "package_name": "xstream", "product_name": "Red Hat Process Automation 7"}], "public_date": "2022-01-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-43859\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-43859"], "statement": "Red Hat Product Security has rated this issue as having Moderate security impact and the issue is not currently planned to be addressed in future updates for Red Hat Enterprise Linux 7, hence, marked as Out-of-Support-Scope. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.", "threat_severity": "Moderate", "upstream_fix": "xstream 1.4.19"}