CVE-2019-5021

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Due to the nature of this issue, systems deployed using affected versions of the Alpine Linux container which utilize Linux PAM, or some other mechanism which uses the system shadow file as an authentication database, may accept a NULL password for the `root` user."}]}, "impact": {"cvss": {"baseScore": 9.8, "baseSeverity": "Critical", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-258: Empty Password in Configuration File"}]}]}, "references": {"reference_data": [{"name": "108288", "refsource": "BID", "url": "http://www.securityfocus.com/bid/108288"}, {"name": "openSUSE-SU-2019:1495", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00004.html"}, {"name": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0782", "refsource": "MISC", "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0782"}, {"name": "https://security.netapp.com/advisory/ntap-20190510-0001/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20190510-0001/"}, {"name": "https://alpinelinux.org/posts/Docker-image-vulnerability-CVE-2019-5021.html", "refsource": "MISC", "url": "https://alpinelinux.org/posts/Docker-image-vulnerability-CVE-2019-5021.html"}, {"name": "https://support.f5.com/csp/article/K25551452", "refsource": "CONFIRM", "url": "https://support.f5.com/csp/article/K25551452"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T19:40:49.199Z"}, "title": "CVE Program Container", "references": [{"name": "108288", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/108288"}, {"name": "openSUSE-SU-2019:1495", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00004.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0782"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20190510-0001/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://alpinelinux.org/posts/Docker-image-vulnerability-CVE-2019-5021.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://support.f5.com/csp/article/K25551452"}]}]}, "cveMetadata": {"assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "assignerShortName": "talos", "cveId": "CVE-2019-5021", "datePublished": "2019-05-08T16:52:23.000Z", "dateReserved": "2019-01-04T00:00:00.000Z", "dateUpdated": "2024-08-04T19:40:49.199Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Alpine Linux", "vendor": "n/a", "versions": [{"status": "affected", "version": "Alpine Docker 3.3 Alpine Docker 3.4 Alpine Docker 3.5 Alpine Docker 3.6 Alpine Docker 3.7 Alpine Docker 3.8 Alpine Docker 3.9 Alpine Docker Edge"}]}], "source": "talos-cna@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gliderlabs:docker-alpine:*:*:*:*:*:*:*:*", "matchCriteriaId": "EB79CE0E-45DB-4F33-AEE8-4941D0078E5F", "versionStartIncluding": "3.3", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:alpinelinux:alpine_linux:-:*:*:*:*:*:*:*", "matchCriteriaId": "8EBEEBA1-DEC3-4AD1-A1C5-53A2AED36EB2", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*", "matchCriteriaId": "F1E78106-58E6-4D59-990F-75DA575BFAD9", "vulnerable": true}, {"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:f5:big-ip_controller:1.2.1:*:*:*:*:cloud_foundry:*:*", "matchCriteriaId": "CFA8CA2A-E008-43C9-B998-FFEA8B0D58F1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Versions of the Official Alpine Linux Docker images (since v3.3) contain a NULL password for the `root` user. This vulnerability appears to be the result of a regression introduced in December of 2015. Due to the nature of this issue, systems deployed using affected versions of the Alpine Linux container which utilize Linux PAM, or some other mechanism which uses the system shadow file as an authentication database, may accept a NULL password for the `root` user."}, {"lang": "es", "value": "Algunas versiones de las im\u00e1genes de Official Alpine Linux Docker (desde v3.3) contienen una contrase\u00f1a NULL para el usuario `root`. Esta vulnerabilidad parece ser el resultado de una regresi\u00f3n introducida en diciembre de 2015. Debido a la naturaleza de este problema, los sistemas implementados utilizando las versiones afectadas del contenedor de Alpine Linux que utilizan Linux PAM, o alg\u00fan otro mecanismo que utiliza el archivo de sistema shadow como una base de datos de autenticaci\u00f3n, puede aceptar una contrase\u00f1a NULL para el usuario `root`."}], "id": "CVE-2019-5021", "lastModified": "2026-06-17T02:37:00.007", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "talos-cna@cisco.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-05-08T17:29:01.490", "references": [{"source": "talos-cna@cisco.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00004.html"}, {"source": "talos-cna@cisco.com", "tags": ["Broken Link"], "url": "http://www.securityfocus.com/bid/108288"}, {"source": "talos-cna@cisco.com", "tags": ["Vendor Advisory"], "url": "https://alpinelinux.org/posts/Docker-image-vulnerability-CVE-2019-5021.html"}, {"source": "talos-cna@cisco.com", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20190510-0001/"}, {"source": "talos-cna@cisco.com", "tags": ["Third Party Advisory"], "url": "https://support.f5.com/csp/article/K25551452"}, {"source": "talos-cna@cisco.com", "tags": ["Exploit", "Mitigation", "Patch", "Third Party Advisory"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0782"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00004.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://www.securityfocus.com/bid/108288"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://alpinelinux.org/posts/Docker-image-vulnerability-CVE-2019-5021.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20190510-0001/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://support.f5.com/csp/article/K25551452"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mitigation", "Patch", "Third Party Advisory"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0782"}], "sourceIdentifier": "talos-cna@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-258"}], "source": "talos-cna@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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