{"containers": {"cna": {"affected": [{"product": "FreeBSD", "vendor": "n/a", "versions": [{"status": "affected", "version": "FreeBSD 12.2-RELEASE before p3, 12.1-RELEASE before p13, 11.4-RELEASE before p7"}]}], "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."}], "problemTypes": [{"descriptions": [{"description": "Improper initialization", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-04-23T05:06:25.000Z", "orgId": "63664ac6-956c-4cba-a5d0-f46076e16109", "shortName": "freebsd"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-21:01.fsdisclosure.asc"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20210423-0002/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secteam@freebsd.org", "ID": "CVE-2020-25578", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "FreeBSD", "version": {"version_data": [{"version_value": "FreeBSD 12.2-RELEASE before p3, 12.1-RELEASE before p13, 11.4-RELEASE before p7"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Improper initialization"}]}]}, "references": {"reference_data": [{"name": "https://security.FreeBSD.org/advisories/FreeBSD-SA-21:01.fsdisclosure.asc", "refsource": "MISC", "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-21:01.fsdisclosure.asc"}, {"name": "https://security.netapp.com/advisory/ntap-20210423-0002/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20210423-0002/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T15:33:05.687Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-21:01.fsdisclosure.asc"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20210423-0002/"}]}]}, "cveMetadata": {"assignerOrgId": "63664ac6-956c-4cba-a5d0-f46076e16109", "assignerShortName": "freebsd", "cveId": "CVE-2020-25578", "datePublished": "2021-03-26T20:44:43.000Z", "dateReserved": "2020-09-14T00:00:00.000Z", "dateUpdated": "2024-08-04T15:33:05.687Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:*", "matchCriteriaId": "4A865EA1-01D7-4E5A-9D13-80780F8A9D7A", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:*", "matchCriteriaId": "9FCA6A72-2A72-45FD-A43D-B5BF7C329121", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.4:p2:*:*:*:*:*:*", "matchCriteriaId": "90F9B3CB-3B60-4AA8-9EAF-4F0BE7D27691", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.4:p3:*:*:*:*:*:*", "matchCriteriaId": "C04EE177-C7D1-4049-B680-F961A27C677F", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.4:p4:*:*:*:*:*:*", "matchCriteriaId": "218AF216-7B03-4C02-B55F-2316AF14074B", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.4:p5:*:*:*:*:*:*", "matchCriteriaId": "33266717-0359-4243-868B-B84436E2A89E", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.4:p6:*:*:*:*:*:*", "matchCriteriaId": "99965487-D5FD-4507-A43B-F241FEEA5237", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:*", "matchCriteriaId": "BD730B6A-F123-4685-ACB3-4F20AAAB77F3", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:*", "matchCriteriaId": "508150E3-2C0C-4EEB-BFC9-BB5CEB404C06", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p10:*:*:*:*:*:*", "matchCriteriaId": "0F0D6626-E7B8-4230-A66F-E4356B1729F3", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p11:*:*:*:*:*:*", "matchCriteriaId": "81E78680-1EB0-4E44-A571-267238F96A28", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p12:*:*:*:*:*:*", "matchCriteriaId": "E3A64B92-9F22-4C7A-9540-39856439DCD9", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:*", "matchCriteriaId": "B5D692EF-A5D7-430E-91BA-4CD137343B66", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p3:*:*:*:*:*:*", "matchCriteriaId": "D50C60A7-4C9F-4636-92E9-9F5B8B01BE5B", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p4:*:*:*:*:*:*", "matchCriteriaId": "6C49F6C7-A740-42F4-93BB-512CBF334516", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p5:*:*:*:*:*:*", "matchCriteriaId": "402740C4-5B55-423F-BAD2-F742E1E21ADC", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p6:*:*:*:*:*:*", "matchCriteriaId": "9DCAA10A-C612-45E0-84B7-55897F49D65E", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p7:*:*:*:*:*:*", "matchCriteriaId": "CB6258A5-8066-48B8-A417-09A1547DD57A", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p8:*:*:*:*:*:*", "matchCriteriaId": "6601C7C4-EC36-4EAA-90AC-D3156A2BF330", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p9:*:*:*:*:*:*", "matchCriteriaId": "EDCBC06C-B16B-498A-A99B-5F9F17C5FF03", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*", "matchCriteriaId": "73D9C08B-8F5B-40C4-A5BD-B00D2E4C012D", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:p1:*:*:*:*:*:*", "matchCriteriaId": "62A178A3-6A52-4981-9A27-FB07AD8AF778", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:p2:*:*:*:*:*:*", "matchCriteriaId": "54A487B1-E5CE-4C76-87E8-518D24C5D86D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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."}], "id": "CVE-2020-25578", "lastModified": "2024-11-21T05:18:09.560", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-26T21:15:12.600", "references": [{"source": "secteam@freebsd.org", "tags": ["Vendor Advisory"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-21:01.fsdisclosure.asc"}, {"source": "secteam@freebsd.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210423-0002/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-21:01.fsdisclosure.asc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210423-0002/"}], "sourceIdentifier": "secteam@freebsd.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-665"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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