{"containers": {"cna": {"affected": [{"product": "crun", "vendor": "crun", "versions": [{"status": "affected", "version": "before 0.10.5"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in crun before 0.10.5. With a crafted image, it doesn't correctly check whether a target is a symlink, resulting in access to files outside of the container. This occurs in libcrun/linux.c and libcrun/chroot_realpath.c."}], "problemTypes": [{"descriptions": [{"description": "Directory Traversal", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-10-09T20:12:55", "orgId": "01626437-bf8f-4d1c-912a-893b5eb04808", "shortName": "trellix"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/containers/crun/pull/173"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/containers/crun/releases/tag/0.10.5"}, {"tags": ["x_refsource_MISC"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITB2UNEGHXZUR3ATYHWPSK5LJB36N7AP/"}, {"tags": ["x_refsource_MISC"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DTA5SJUAKQUK6HRY2CZVJUIZP5BO3EOG/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@mcafee.com", "ID": "CVE-2019-18837", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "crun", "version": {"version_data": [{"version_value": "before 0.10.5"}]}}]}, "vendor_name": "crun"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An issue was discovered in crun before 0.10.5. With a crafted image, it doesn't correctly check whether a target is a symlink, resulting in access to files outside of the container. This occurs in libcrun/linux.c and libcrun/chroot_realpath.c."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Directory Traversal"}]}]}, "references": {"reference_data": [{"name": "https://github.com/containers/crun/pull/173", "refsource": "MISC", "url": "https://github.com/containers/crun/pull/173"}, {"name": "https://github.com/containers/crun/releases/tag/0.10.5", "refsource": "CONFIRM", "url": "https://github.com/containers/crun/releases/tag/0.10.5"}, {"name": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ITB2UNEGHXZUR3ATYHWPSK5LJB36N7AP/", "refsource": "MISC", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ITB2UNEGHXZUR3ATYHWPSK5LJB36N7AP/"}, {"name": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DTA5SJUAKQUK6HRY2CZVJUIZP5BO3EOG/", "refsource": "MISC", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DTA5SJUAKQUK6HRY2CZVJUIZP5BO3EOG/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T02:02:39.524Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/containers/crun/pull/173"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/containers/crun/releases/tag/0.10.5"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITB2UNEGHXZUR3ATYHWPSK5LJB36N7AP/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DTA5SJUAKQUK6HRY2CZVJUIZP5BO3EOG/"}]}]}, "cveMetadata": {"assignerOrgId": "01626437-bf8f-4d1c-912a-893b5eb04808", "assignerShortName": "trellix", "cveId": "CVE-2019-18837", "datePublished": "2019-11-13T20:01:16", "dateReserved": "2019-11-08T00:00:00", "dateUpdated": "2024-08-05T02:02:39.524Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:crun_project:crun:*:*:*:*:*:*:*:*", "matchCriteriaId": "7268B1DF-6D31-4372-AF89-03CEBE7907DA", "versionEndExcluding": "0.10.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*", "matchCriteriaId": "97A4B8DF-58DA-4AB6-A1F9-331B36409BA3", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in crun before 0.10.5. With a crafted image, it doesn't correctly check whether a target is a symlink, resulting in access to files outside of the container. This occurs in libcrun/linux.c and libcrun/chroot_realpath.c."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en crun versiones anteriores a la versi\u00f3n 0.10.5. Con una imagen especialmente dise\u00f1ada, no comprueba correctamente si un objetivo es un enlace simb\u00f3lico, resultando en el acceso a archivos fuera del contenedor. Esto ocurre en los archivos libcrun/linux.c y libcrun/chroot_realpath.c."}], "id": "CVE-2019-18837", "lastModified": "2023-11-07T03:07:17.570", "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": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-11-13T20:15:10.940", "references": [{"source": "trellixpsirt@trellix.com", "url": "https://github.com/containers/crun/pull/173"}, {"source": "trellixpsirt@trellix.com", "url": "https://github.com/containers/crun/releases/tag/0.10.5"}, {"source": "trellixpsirt@trellix.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DTA5SJUAKQUK6HRY2CZVJUIZP5BO3EOG/"}, {"source": "trellixpsirt@trellix.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITB2UNEGHXZUR3ATYHWPSK5LJB36N7AP/"}], "sourceIdentifier": "trellixpsirt@trellix.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}