{"containers": {"cna": {"affected": [{"product": "libyang", "vendor": "Red Hat", "versions": [{"status": "affected", "version": "libyang all versions before 1.0-r5"}]}], "descriptions": [{"lang": "en", "value": "In all versions of libyang before 1.0-r5, a stack-based buffer overflow was discovered in the way libyang parses YANG files with a leaf of type \"bits\". An application that uses libyang to parse untrusted YANG files may be vulnerable to this flaw, which would allow an attacker to cause a denial of service or possibly gain code execution."}], "metrics": [{"cvssV3_0": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-121", "description": "CWE-121", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2019-12-23T07:06:05.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-19333"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/CESNET/libyang/commit/f6d684ade99dd37b21babaa8a856f64faa1e2e0d"}, {"name": "FEDORA-2019-dfe0b42bc5", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PETB6TVMFV5KUD4IKVP2JPLBCYHUGSAJ/"}, {"name": "FEDORA-2019-9d83929ffa", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RL54JMS7XW7PI6JC4BFSNNLSX5AINQUL/"}, {"name": "RHSA-2019:4360", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2019:4360"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2019-19333", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "libyang", "version": {"version_data": [{"version_value": "libyang all versions before 1.0-r5"}]}}]}, "vendor_name": "Red Hat"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In all versions of libyang before 1.0-r5, a stack-based buffer overflow was discovered in the way libyang parses YANG files with a leaf of type \"bits\". An application that uses libyang to parse untrusted YANG files may be vulnerable to this flaw, which would allow an attacker to cause a denial of service or possibly gain code execution."}]}, "impact": {"cvss": [[{"vectorString": "8.1/CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}]]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-121"}]}]}, "references": {"reference_data": [{"name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-19333", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-19333"}, {"name": "https://github.com/CESNET/libyang/commit/f6d684ade99dd37b21babaa8a856f64faa1e2e0d", "refsource": "CONFIRM", "url": "https://github.com/CESNET/libyang/commit/f6d684ade99dd37b21babaa8a856f64faa1e2e0d"}, {"name": "FEDORA-2019-dfe0b42bc5", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PETB6TVMFV5KUD4IKVP2JPLBCYHUGSAJ/"}, {"name": "FEDORA-2019-9d83929ffa", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RL54JMS7XW7PI6JC4BFSNNLSX5AINQUL/"}, {"name": "RHSA-2019:4360", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2019:4360"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T02:16:46.793Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-19333"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/CESNET/libyang/commit/f6d684ade99dd37b21babaa8a856f64faa1e2e0d"}, {"name": "FEDORA-2019-dfe0b42bc5", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PETB6TVMFV5KUD4IKVP2JPLBCYHUGSAJ/"}, {"name": "FEDORA-2019-9d83929ffa", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RL54JMS7XW7PI6JC4BFSNNLSX5AINQUL/"}, {"name": "RHSA-2019:4360", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2019:4360"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2019-19333", "datePublished": "2019-12-06T15:19:58.000Z", "dateReserved": "2019-11-27T00:00:00.000Z", "dateUpdated": "2024-08-05T02:16:46.793Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cesnet:libyang:0.11:r1:*:*:*:*:*:*", "matchCriteriaId": "65E91322-5F67-43C2-8112-5ECAEC2A3C12", "vulnerable": true}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.11:r2:*:*:*:*:*:*", "matchCriteriaId": "80A88DE4-93F8-40C3-AA52-A5F353F028AA", "vulnerable": true}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.12:r1:*:*:*:*:*:*", "matchCriteriaId": "05C120CA-50EF-4B6D-92C9-ED736219DB07", "vulnerable": true}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.12:r2:*:*:*:*:*:*", "matchCriteriaId": "99D1FA55-3F56-4E09-B41E-B05C199B96B8", "vulnerable": true}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.13:r1:*:*:*:*:*:*", "matchCriteriaId": "35D48EC4-58D2-49C6-8049-920787733587", "vulnerable": true}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.13:r2:*:*:*:*:*:*", "matchCriteriaId": "B57F3953-49D6-413C-A4AE-03125935FC77", "vulnerable": true}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.14:r1:*:*:*:*:*:*", "matchCriteriaId": "DD62411F-A524-4E80-B540-780EA39CB6A4", "vulnerable": true}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.15:r1:*:*:*:*:*:*", "matchCriteriaId": "FEF091B1-978A-4881-B1FC-6848CD1A7BBF", "vulnerable": true}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.16:r1:*:*:*:*:*:*", "matchCriteriaId": "0C50D690-9A4D-4B78-BF4E-A4D9B4074216", "vulnerable": true}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.16:r2:*:*:*:*:*:*", "matchCriteriaId": "124A5D30-7451-4516-9AA2-963AE62DD679", "vulnerable": true}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.16:r3:*:*:*:*:*:*", "matchCriteriaId": "C260D13B-82E9-4596-9116-61073B42D661", "vulnerable": true}, {"criteria": "cpe:2.3:a:cesnet:libyang:1.0:r1:*:*:*:*:*:*", "matchCriteriaId": "5F8D5FC0-959E-4014-9CB7-91378CC8B2BA", "vulnerable": true}, {"criteria": "cpe:2.3:a:cesnet:libyang:1.0:r2:*:*:*:*:*:*", "matchCriteriaId": "DCBDA519-805B-4193-8092-75E2748A7BC3", "vulnerable": true}, {"criteria": "cpe:2.3:a:cesnet:libyang:1.0:r3:*:*:*:*:*:*", "matchCriteriaId": "4653ED0D-1E48-4E56-ACA4-0475C9568A89", "vulnerable": true}, {"criteria": "cpe:2.3:a:cesnet:libyang:1.0:r4:*:*:*:*:*:*", "matchCriteriaId": "F0BEE023-C83B-4465-97BC-8E15627025D1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In all versions of libyang before 1.0-r5, a stack-based buffer overflow was discovered in the way libyang parses YANG files with a leaf of type \"bits\". An application that uses libyang to parse untrusted YANG files may be vulnerable to this flaw, which would allow an attacker to cause a denial of service or possibly gain code execution."}, {"lang": "es", "value": "En todas las versiones de libyang anteriores a 1.0-r5, se detect\u00f3 un desbordamiento del b\u00fafer en la regi\u00f3n heap de la memoria en la manera en que libyang analiza los archivos YANG con una hoja de tipo \"bits\". Una aplicaci\u00f3n que usa libyang para analizar archivos YANG no confiables puede ser vulnerable a este fallo, lo que permitir\u00eda a un atacante causar una denegaci\u00f3n de servicio o posiblemente conseguir la ejecuci\u00f3n de c\u00f3digo."}], "id": "CVE-2019-19333", "lastModified": "2024-11-21T04:34:35.697", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "secalert@redhat.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": "2019-12-06T16:15:10.827", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2019:4360"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-19333"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/CESNET/libyang/commit/f6d684ade99dd37b21babaa8a856f64faa1e2e0d"}, {"source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PETB6TVMFV5KUD4IKVP2JPLBCYHUGSAJ/"}, {"source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RL54JMS7XW7PI6JC4BFSNNLSX5AINQUL/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2019:4360"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-19333"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/CESNET/libyang/commit/f6d684ade99dd37b21babaa8a856f64faa1e2e0d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PETB6TVMFV5KUD4IKVP2JPLBCYHUGSAJ/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RL54JMS7XW7PI6JC4BFSNNLSX5AINQUL/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "This issue was discovered by Riccardo Schirone (Red Hat Product Security).", "affected_release": [{"advisory": "RHSA-2019:4360", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "libyang-0:0.16.105-3.el8_1.2", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-12-23T00:00:00Z"}], "bugzilla": {"description": "libyang: stack-based buffer overflow in make_canonical when bits leaf type is used", "id": "1779573", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1779573"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-121", "details": ["In all versions of libyang before 1.0-r5, a stack-based buffer overflow was discovered in the way libyang parses YANG files with a leaf of type \"bits\". An application that uses libyang to parse untrusted YANG files may be vulnerable to this flaw, which would allow an attacker to cause a denial of service or possibly gain code execution.", "A stack-based buffer overflow flaw was discovered in the way libyang parses YANG files with a leaf of type \"bits\". An application that uses libyang to parse untrusted YANG files may be vulnerable to this flaw, which would allow an attacker to cause a denial of service or execute code."], "name": "CVE-2019-19333", "public_date": "2019-12-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-19333\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-19333"], "threat_severity": "Important"}

{}