{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2019-20397", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-05T02:39:09.895Z", "dateReserved": "2020-01-22T00:00:00", "datePublished": "2020-01-22T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-09-19T21:06:24.541522"}, "descriptions": [{"lang": "en", "value": "A double-free is present in libyang before v1.0-r1 in the function yyparse() when an organization field is not terminated. Applications that use libyang to parse untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1"}, {"url": "https://github.com/CESNET/libyang/issues/739"}, {"url": "https://github.com/CESNET/libyang/commit/88bd6c548ba79bce176cd875e9b56e7e0ef4d8d4"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1793928"}, {"name": "[debian-lts-announce] 20230919 [SECURITY] [DLA 3572-1] libyang security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T02:39:09.895Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1", "tags": ["x_transferred"]}, {"url": "https://github.com/CESNET/libyang/issues/739", "tags": ["x_transferred"]}, {"url": "https://github.com/CESNET/libyang/commit/88bd6c548ba79bce176cd875e9b56e7e0ef4d8d4", "tags": ["x_transferred"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1793928", "tags": ["x_transferred"]}, {"name": "[debian-lts-announce] 20230919 [SECURITY] [DLA 3572-1] libyang security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html"}]}]}}

{}

{"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}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A double-free is present in libyang before v1.0-r1 in the function yyparse() when an organization field is not terminated. Applications that use libyang to parse untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution."}, {"lang": "es", "value": "Una doble liberaci\u00f3n est\u00e1 presente en libyang versiones anteriores a v1.0-r1, en la funci\u00f3n yyparse() cuando un campo organization no es terminado. Las aplicaciones que usan libyang para analizar archivos de entrada yang no confiables pueden ser vulnerables a este fallo, lo que podr\u00eda causar un bloqueo o potencialmente una ejecuci\u00f3n de c\u00f3digo."}], "id": "CVE-2019-20397", "lastModified": "2024-11-21T04:38:23.337", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-01-22T22:15:10.550", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1793928"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/CESNET/libyang/commit/88bd6c548ba79bce176cd875e9b56e7e0ef4d8d4"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/CESNET/libyang/issues/739"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1793928"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/CESNET/libyang/commit/88bd6c548ba79bce176cd875e9b56e7e0ef4d8d4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/CESNET/libyang/issues/739"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHEA-2021:1906", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "libyang-0:1.0.184-1.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-05-18T00:00:00Z"}], "bugzilla": {"description": "libyang: double-free in yyparse() when organization field is not terminated", "id": "1793928", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1793928"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["A double-free is present in libyang before v1.0-r1 in the function yyparse() when an organization field is not terminated. Applications that use libyang to parse untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution.", "A double-free flaw occurs in libyang in function yparse() when an organization field is not terminated. Applications that use libyang to process untrusted input YANG files may be vulnerable to this flaw, possibly causing a crash or potential code execution."], "name": "CVE-2019-20397", "public_date": "2019-03-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-20397\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-20397"], "threat_severity": "Moderate", "upstream_fix": "libyang 1.0-r1"}