CVE-2020-24387

{"id": "CVE-2020-24387", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "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}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "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": "2020-10-19T20:15:12.947", "references": [{"url": "https://blog.inhq.net/posts/yubico-libyubihsm-vuln/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://developers.yubico.com/yubihsm-shell/", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/Yubico/yubihsm-shell", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y77KQJW76M3PFOBFLBT6DLH2NWHYRNZO/", "source": "cve@mitre.org"}, {"url": "https://www.yubico.com/support/security-advisories/ysa-2020-06/", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://blog.inhq.net/posts/yubico-libyubihsm-vuln/", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://developers.yubico.com/yubihsm-shell/", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/Yubico/yubihsm-shell", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y77KQJW76M3PFOBFLBT6DLH2NWHYRNZO/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.yubico.com/support/security-advisories/ysa-2020-06/", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}, {"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in the yh_create_session() function of yubihsm-shell through 2.0.2. The function does not explicitly check the returned session id from the device. An invalid session id would lead to out-of-bounds read and write operations in the session array. This could be used by an attacker to cause a denial of service attack."}, {"lang": "es", "value": "Se detect\u00f3 un problema en la funci\u00f3n yh_create_session() de yubihsm-shell versiones hasta 2.0.2. La funci\u00f3n no comprueba expl\u00edcitamente el ID de sesi\u00f3n devuelto por el dispositivo. Un id de sesi\u00f3n no v\u00e1lido conllevar\u00eda a operaciones de lectura y escritura fuera de l\u00edmites en la matriz de sesi\u00f3n. Esto podr\u00eda ser usado por un atacante para causar un ataque de denegaci\u00f3n de servicio"}], "lastModified": "2024-11-21T05:14:43.313", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:yubico:yubihsm-shell:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AFBDE39B-F22D-40A2-B73B-C3E5B76F1FB3", "versionEndIncluding": "2.0.2"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}