{ "id": "CVE-2021-33574", "sourceIdentifier": "cve@mitre.org", "published": "2021-05-25T22:15:10.410", "lastModified": "2022-11-08T13:27:54.767", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "The mq_notify function in the GNU C Library (aka glibc) versions 2.32 and 2.33 has a use-after-free. It may use the notification thread attributes object (passed through its struct sigevent parameter) after it has been freed by the caller, leading to a denial of service (application crash) or possibly unspecified other impact." }, { "lang": "es", "value": "La funci\u00f3n mq_notify de la Biblioteca C de GNU (tambi\u00e9n conocida como glibc) versiones 2.32 y 2.33 tiene un use-after-free. Puede utilizar el objeto de atributos del hilo de notificaci\u00f3n (pasado a trav\u00e9s de su par\u00e1metro struct sigevent) despu\u00e9s de que haya sido liberado por el llamante, lo que lleva a una denegaci\u00f3n de servicio (ca\u00edda de la aplicaci\u00f3n) o posiblemente a otro impacto no especificado" } ], "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL" }, "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", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 7.5 }, "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-416" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:gnu:glibc:2.32:*:*:*:*:*:*:*", "matchCriteriaId": "A96F6DE6-9BD2-416F-9C8D-88641D36D9C0" }, { "vulnerable": true, "criteria": "cpe:2.3:a:gnu:glibc:2.33:*:*:*:*:*:*:*", "matchCriteriaId": "1754FEE6-54B9-4367-BE30-D98FD3B32FF6" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { 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"https://security.netapp.com/advisory/ntap-20210629-0005/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=27896", "source": "cve@mitre.org", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=27896#c1", "source": "cve@mitre.org", "tags": [ "Issue Tracking" ] } ] }