CVE-2019-20392

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2019-20392", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-05T02:39:09.196Z", "dateReserved": "2020-01-22T00:00:00.000Z", "datePublished": "2020-01-22T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-09-19T21:06:15.096Z"}, "descriptions": [{"lang": "en", "value": "An invalid memory access flaw is present in libyang before v1.0-r1 in the function resolve_feature_value() when an if-feature statement is used inside a list key node, and the feature used is not defined. Applications that use libyang to parse untrusted input yang files may crash."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/CESNET/libyang/commit/32fb4993bc8bb49e93e84016af3c10ea53964be5"}, {"url": "https://github.com/CESNET/libyang/issues/723"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1793922"}, {"url": "https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1"}, {"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": "2024-08-05T02:39:09.196Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/CESNET/libyang/commit/32fb4993bc8bb49e93e84016af3c10ea53964be5", "tags": ["x_transferred"]}, {"url": "https://github.com/CESNET/libyang/issues/723", "tags": ["x_transferred"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1793922", "tags": ["x_transferred"]}, {"url": "https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1", "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"}]}]}}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "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"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An invalid memory access flaw is present in libyang before v1.0-r1 in the function resolve_feature_value() when an if-feature statement is used inside a list key node, and the feature used is not defined. Applications that use libyang to parse untrusted input yang files may crash."}, {"lang": "es", "value": "Un fallo de acceso a memoria no v\u00e1lida est\u00e1 presente en libyang versiones anteriores a v1.0-r1, en la funci\u00f3n resolve_feature_value() cuando es usada una sentencia if-feature dentro de un nodo de clave de lista, y la caracter\u00edstica usada no est\u00e1 definida. Las aplicaciones que utilizan libyang para analizar archivos de entrada yang no confiables pueden bloquearse."}], "id": "CVE-2019-20392", "lastModified": "2026-06-17T02:30:21.120", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-01-22T22:15:10.143", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1793922"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/CESNET/libyang/commit/32fb4993bc8bb49e93e84016af3c10ea53964be5"}, {"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": ["Exploit", "Third Party Advisory"], "url": "https://github.com/CESNET/libyang/issues/723"}, {"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=1793922"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/CESNET/libyang/commit/32fb4993bc8bb49e93e84016af3c10ea53964be5"}, {"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": ["Exploit", "Third Party Advisory"], "url": "https://github.com/CESNET/libyang/issues/723"}, {"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-119"}], "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: invalid memory access when if-feature statement is used inside a list key node", "id": "1793922", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1793922"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-119", "details": ["An invalid memory access flaw is present in libyang before v1.0-r1 in the function resolve_feature_value() when an if-feature statement is used inside a list key node, and the feature used is not defined. Applications that use libyang to parse untrusted input yang files may crash.", "An invalid memory access flaw was discovered in libyang in the function resolve_feature_value() when an if-feature statement is used inside a list key node and the feature used is not defined. Applications that use libyang to process untrusted input YANG files may crash."], "name": "CVE-2019-20392", "public_date": "2019-03-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-20392\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-20392"], "threat_severity": "Low"}

{}