{ "id": "CVE-2021-43267", "sourceIdentifier": "cve@mitre.org", "published": "2021-11-02T23:15:07.487", "lastModified": "2024-11-21T06:28:57.330", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "An issue was discovered in net/tipc/crypto.c in the Linux kernel before 5.14.16. The Transparent Inter-Process Communication (TIPC) functionality allows remote attackers to exploit insufficient validation of user-supplied sizes for the MSG_CRYPTO message type." }, { "lang": "es", "value": "Se ha detectado un problema en el archivo net/tipc/crypto.c en el kernel de Linux versiones anteriores a 5.14.16. La funcionalidad Transparent Inter-Process Communication (TIPC) permite a atacantes remotos explotar una comprobaci\u00f3n insuficiente de los tama\u00f1os suministrados por el usuario para el tipo de mensaje MSG_CRYPTO" } ], "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:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "baseScore": 7.5, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL" }, "baseSeverity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-1284" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.10.77", "matchCriteriaId": "B96ED468-9053-475E-8C7C-98F6E133DADB" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.14.16", "matchCriteriaId": "2681B950-4548-4649-A9E1-4124B59FC09C" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { 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"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVWL7HZV5T5OEKJPO2D67RMFMKBBXGGB/", "source": "cve@mitre.org" }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDDEW4APTYKJK365HC2JZIVXYUV7ZRN7/", "source": "cve@mitre.org" }, { "url": "https://security.netapp.com/advisory/ntap-20211125-0002/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2022/02/10/1", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Mailing List", "Third Party Advisory" ] }, { "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.16", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Release Notes", "Vendor Advisory" ] }, { "url": "https://github.com/torvalds/linux/commit/fa40d9734a57bcbfa79a280189799f76c88f7bb0", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVWL7HZV5T5OEKJPO2D67RMFMKBBXGGB/", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDDEW4APTYKJK365HC2JZIVXYUV7ZRN7/", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://security.netapp.com/advisory/ntap-20211125-0002/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] } ] }