{"id": "CVE-2018-16871", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "
[email protected]", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Secondary", "source": "
[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/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}], "cvssMetricV31": [{"type": "Primary", "source": "
[email protected]", "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": "2019-07-30T17:15:12.187", "references": [{"url": "https://access.redhat.com/errata/RHSA-2019:2696", "tags": ["Third Party Advisory"], "source": "
[email protected]"}, {"url": "https://access.redhat.com/errata/RHSA-2019:2730", "tags": ["Third Party Advisory"], "source": "
[email protected]"}, {"url": "https://access.redhat.com/errata/RHSA-2020:0740", "tags": ["Third Party Advisory"], "source": "
[email protected]"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16871", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "
[email protected]"}, {"url": "https://security.netapp.com/advisory/ntap-20211004-0002/", "tags": ["Third Party Advisory"], "source": "
[email protected]"}, {"url": "https://support.f5.com/csp/article/K18657134", "tags": ["Third Party Advisory"], "source": "
[email protected]"}, {"url": "https://support.f5.com/csp/article/K18657134?utm_source=f5support&%3Butm_medium=RSS", "source": "
[email protected]"}, {"url": "https://access.redhat.com/errata/RHSA-2019:2696", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2019:2730", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2020:0740", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16871", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.netapp.com/advisory/ntap-20211004-0002/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://support.f5.com/csp/article/K18657134", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://support.f5.com/csp/article/K18657134?utm_source=f5support&%3Butm_medium=RSS", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "
[email protected]", "description": [{"lang": "en", "value": "CWE-476"}]}, {"type": "Secondary", "source": "
[email protected]", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in the Linux kernel's NFS implementation, all versions 3.x and all versions 4.x up to 4.20. An attacker, who is able to mount an exported NFS filesystem, is able to trigger a null pointer dereference by using an invalid NFS sequence. This can panic the machine and deny access to the NFS server. Any outstanding disk writes to the NFS server will be lost."}, {"lang": "es", "value": "Se detect\u00f3 un fallo en la implementaci\u00f3n de NFS del kernel de Linux, todas las versiones 3.x y todas las versiones 4.x hasta 4.20. Un atacante, capaz de montar un sistema de archivos NFS exportado, es capaz de desencadenar una desreferencia de puntero null mediante el uso de una secuencia NFS no v\u00e1lida. Esto puede poner en p\u00e1nico a la m\u00e1quina y negar el acceso al servidor NFS. Se perder\u00e1n todas las escrituras de disco pendientes en el servidor NFS."}], "lastModified": "2024-11-21T03:53:29.660", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CC830F9C-B39B-46E9-8544-573950D04576", "versionEndIncluding": "4.20", "versionStartIncluding": "3.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:developer_tools:1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "60937D60-6B78-400F-8D30-7FCF328659A1"}, {"criteria": "cpe:2.3:a:redhat:mrg_realtime:2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AFB0FFE3-4BE1-4024-BCC6-1B87074DE2E3"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*", "vulnerable": true, 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