CVE-2020-25578

{"id": "CVE-2020-25578", "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:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "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": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2021-03-26T21:15:12.600", "references": [{"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-21:01.fsdisclosure.asc", "tags": ["Vendor Advisory"], "source": "secteam@freebsd.org"}, {"url": "https://security.netapp.com/advisory/ntap-20210423-0002/", "tags": ["Third Party Advisory"], "source": "secteam@freebsd.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-665"}]}], "descriptions": [{"lang": "en", "value": "In FreeBSD 12.2-STABLE before r368969, 11.4-STABLE before r369047, 12.2-RELEASE before p3, 12.1-RELEASE before p13 and 11.4-RELEASE before p7 several file systems were not properly initializing the d_off field of the dirent structures returned by VOP_READDIR. In particular, tmpfs(5), smbfs(5), autofs(5) and mqueuefs(5) were failing to do so. As a result, eight uninitialized kernel stack bytes may be leaked to userspace by these file systems."}, {"lang": "es", "value": "En FreeBSD versiones 12.2-STABLE anteriores a r368969, 11.4-STABLE anteriores a r369047, 12.2-RELEASE anteriores a p3, 12.1-RELEASE anteriores a p13 y 11.4-RELEASE anteriores a p7, varios sistemas de archivos no estaban inicializando apropiadamente el campo d_off de las estructuras dirent devueltas por VOP_READDIR. En particular, tmpfs(5), smbfs(5), autofs(5) y mqueuefs(5) no lo hicieron. Como resultado, estos sistemas de archivos pueden filtrar ocho bytes de la pila del kernel no inicializados al espacio de usuario."}], "lastModified": "2022-06-28T14:11:45.273", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4A865EA1-01D7-4E5A-9D13-80780F8A9D7A"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9FCA6A72-2A72-45FD-A43D-B5BF7C329121"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.4:p2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "90F9B3CB-3B60-4AA8-9EAF-4F0BE7D27691"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.4:p3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C04EE177-C7D1-4049-B680-F961A27C677F"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.4:p4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "218AF216-7B03-4C02-B55F-2316AF14074B"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.4:p5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "33266717-0359-4243-868B-B84436E2A89E"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.4:p6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "99965487-D5FD-4507-A43B-F241FEEA5237"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BD730B6A-F123-4685-ACB3-4F20AAAB77F3"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "508150E3-2C0C-4EEB-BFC9-BB5CEB404C06"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p10:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0F0D6626-E7B8-4230-A66F-E4356B1729F3"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p11:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "81E78680-1EB0-4E44-A571-267238F96A28"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p12:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E3A64B92-9F22-4C7A-9540-39856439DCD9"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B5D692EF-A5D7-430E-91BA-4CD137343B66"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D50C60A7-4C9F-4636-92E9-9F5B8B01BE5B"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6C49F6C7-A740-42F4-93BB-512CBF334516"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "402740C4-5B55-423F-BAD2-F742E1E21ADC"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9DCAA10A-C612-45E0-84B7-55897F49D65E"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CB6258A5-8066-48B8-A417-09A1547DD57A"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p8:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6601C7C4-EC36-4EAA-90AC-D3156A2BF330"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p9:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EDCBC06C-B16B-498A-A99B-5F9F17C5FF03"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "73D9C08B-8F5B-40C4-A5BD-B00D2E4C012D"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:p1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62A178A3-6A52-4981-9A27-FB07AD8AF778"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:p2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "54A487B1-E5CE-4C76-87E8-518D24C5D86D"}], "operator": "OR"}]}], "sourceIdentifier": "secteam@freebsd.org"}