CVE-2020-7455

{"containers": {"cna": {"affected": [{"product": "FreeBSD", "vendor": "n/a", "versions": [{"status": "affected", "version": "FreeBSD 12.1-RELEASE before p5, 11.4-BETA1 before p1, and 11.3-RELEASE before p9"}]}], "descriptions": [{"lang": "en", "value": "In FreeBSD 12.1-STABLE before r360973, 12.1-RELEASE before p5, 11.4-STABLE before r360973, 11.4-BETA1 before p1 and 11.3-RELEASE before p9, the FTP packet handler in libalias incorrectly calculates some packet length allowing disclosure of small amounts of kernel (for kernel NAT) or natd process space (for userspace natd)."}], "problemTypes": [{"descriptions": [{"description": "Out-of-bounds read", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-05-19T14:06:13.000Z", "orgId": "63664ac6-956c-4cba-a5d0-f46076e16109", "shortName": "freebsd"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:13.libalias.asc"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20200518-0005/"}, {"tags": ["x_refsource_MISC"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-661/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secteam@freebsd.org", "ID": "CVE-2020-7455", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "FreeBSD", "version": {"version_data": [{"version_value": "FreeBSD 12.1-RELEASE before p5, 11.4-BETA1 before p1, and 11.3-RELEASE before p9"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In FreeBSD 12.1-STABLE before r360973, 12.1-RELEASE before p5, 11.4-STABLE before r360973, 11.4-BETA1 before p1 and 11.3-RELEASE before p9, the FTP packet handler in libalias incorrectly calculates some packet length allowing disclosure of small amounts of kernel (for kernel NAT) or natd process space (for userspace natd)."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Out-of-bounds read"}]}]}, "references": {"reference_data": [{"name": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:13.libalias.asc", "refsource": "MISC", "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:13.libalias.asc"}, {"name": "https://security.netapp.com/advisory/ntap-20200518-0005/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20200518-0005/"}, {"name": "https://www.zerodayinitiative.com/advisories/ZDI-20-661/", "refsource": "MISC", "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-661/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:25:48.972Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:13.libalias.asc"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20200518-0005/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-661/"}]}]}, "cveMetadata": {"assignerOrgId": "63664ac6-956c-4cba-a5d0-f46076e16109", "assignerShortName": "freebsd", "cveId": "CVE-2020-7455", "datePublished": "2020-05-13T15:31:36.000Z", "dateReserved": "2020-01-21T00:00:00.000Z", "dateUpdated": "2024-08-04T09:25:48.972Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "FreeBSD", "vendor": "n/a", "versions": [{"status": "affected", "version": "FreeBSD 12.1-RELEASE before p5, 11.4-BETA1 before p1, and 11.3-RELEASE before p9"}]}], "source": "secteam@freebsd.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:*", "matchCriteriaId": "F35957CE-AF9F-40CA-BDD1-FA6A0E73783F", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:*", "matchCriteriaId": "EA929713-B797-494A-853D-C121D9D69519", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:*", "matchCriteriaId": "3C3D8EDC-91D3-45B2-AC1D-EF4346D4A714", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:p3:*:*:*:*:*:*", "matchCriteriaId": "EA5006FF-06A5-4D95-BF5B-29F26248D11F", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:p4:*:*:*:*:*:*", "matchCriteriaId": "A705031B-FD63-4076-B92E-E826E11D7111", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:p5:*:*:*:*:*:*", "matchCriteriaId": "11C1EFB1-68E5-45F4-A7E1-744574F290D1", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:p6:*:*:*:*:*:*", "matchCriteriaId": "25F649A7-9265-4552-8934-BCE083363982", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:p7:*:*:*:*:*:*", "matchCriteriaId": "F202C856-5B95-4796-AC4A-1F210E7BAB8F", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:p8:*:*:*:*:*:*", "matchCriteriaId": "9419C866-C478-4CDE-A9A1-E592D8FF0933", "vulnerable": true}, {"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:beta1:*:*:*:*:*:*", "matchCriteriaId": "B80FBD1B-D03E-4408-9150-2F86FAF7F1D7", "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: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}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In FreeBSD 12.1-STABLE before r360973, 12.1-RELEASE before p5, 11.4-STABLE before r360973, 11.4-BETA1 before p1 and 11.3-RELEASE before p9, the FTP packet handler in libalias incorrectly calculates some packet length allowing disclosure of small amounts of kernel (for kernel NAT) or natd process space (for userspace natd)."}, {"lang": "es", "value": "En FreeBSD versiones 12.1-STABLE anteriores a r360973, versiones 12.1-RELEASE anteriores a p5, versiones 11.4-STABLE anteriores a r360973, versiones 11.4-BETA1 anteriores a p1 y versiones 11.3-RELEASE anteriores a p9, el manejador de paquetes FTP en libalias calcula incorrectamente la longitud de algunos paquetes permitiendo divulgar peque\u00f1as cantidades del kernel (para el kernel NAT) o espacio de proceso natd (para el espacio de usuario natd)."}], "id": "CVE-2020-7455", "lastModified": "2026-06-17T03:24:48.910", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-05-13T16:15:13.120", "references": [{"source": "secteam@freebsd.org", "tags": ["Vendor Advisory"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:13.libalias.asc"}, {"source": "secteam@freebsd.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20200518-0005/"}, {"source": "secteam@freebsd.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-661/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:13.libalias.asc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20200518-0005/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-661/"}], "sourceIdentifier": "secteam@freebsd.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-772"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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