{ "id": "CVE-2021-33910", "sourceIdentifier": "cve@mitre.org", "published": "2021-07-20T19:15:09.783", "lastModified": "2022-06-14T11:15:09.493", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash." }, { "lang": "es", "value": "basic/unit-name.c en systemd anterior a las versiones 246.15, 247.8, 248.5 y 249.1 tiene una asignaci\u00f3n de memoria con un valor de tama\u00f1o excesivo (que involucra a strdupa y alloca para un nombre de ruta controlado por un atacante local) que resulta en una ca\u00edda del sistema operativo" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.9, "impactScore": 6.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-770" } ] } ], "configurations": [ { 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"cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory", "VDB Entry" ] }, { "url": "http://www.openwall.com/lists/oss-security/2021/08/04/2", "source": "cve@mitre.org", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2021/08/17/3", "source": "cve@mitre.org", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2021/09/07/3", "source": "cve@mitre.org", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf", "source": "cve@mitre.org" }, { "url": "https://github.com/systemd/systemd-stable/commit/4a1c5f34bd3e1daed4490e9d97918e504d19733b", "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://github.com/systemd/systemd-stable/commit/764b74113e36ac5219a4b82a05f311b5a92136ce", "source": "cve@mitre.org", "tags": [ "Patch", "Third Party 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"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://security.gentoo.org/glsa/202107-48", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://security.netapp.com/advisory/ntap-20211104-0008/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.debian.org/security/2021/dsa-4942", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.openwall.com/lists/oss-security/2021/07/20/2", "source": "cve@mitre.org", "tags": [ "Exploit", "Mailing List", "Third Party Advisory" ] } ] }