CVE-2019-20393

{"id": "CVE-2019-20393", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2020-01-22T22:15:10.237", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1793930", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/CESNET/libyang/commit/d9feacc4a590d35dbc1af21caf9080008b4450ed", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/CESNET/libyang/issues/742", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html", "source": "cve@mitre.org"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1793930", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/CESNET/libyang/commit/d9feacc4a590d35dbc1af21caf9080008b4450ed", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/CESNET/libyang/issues/742", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-415"}]}], "descriptions": [{"lang": "en", "value": "A double-free is present in libyang before v1.0-r1 in the function yyparse() when an empty description is used. 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 es usada una descripci\u00f3n vac\u00eda. 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."}], "lastModified": "2024-11-21T04:38:22.720", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cesnet:libyang:0.11:r1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "65E91322-5F67-43C2-8112-5ECAEC2A3C12"}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.11:r2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "80A88DE4-93F8-40C3-AA52-A5F353F028AA"}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.12:r1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "05C120CA-50EF-4B6D-92C9-ED736219DB07"}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.12:r2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "99D1FA55-3F56-4E09-B41E-B05C199B96B8"}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.13:r1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "35D48EC4-58D2-49C6-8049-920787733587"}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.13:r2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B57F3953-49D6-413C-A4AE-03125935FC77"}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.14:r1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DD62411F-A524-4E80-B540-780EA39CB6A4"}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.15:r1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FEF091B1-978A-4881-B1FC-6848CD1A7BBF"}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.16:r1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0C50D690-9A4D-4B78-BF4E-A4D9B4074216"}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.16:r2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "124A5D30-7451-4516-9AA2-963AE62DD679"}, {"criteria": "cpe:2.3:a:cesnet:libyang:0.16:r3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C260D13B-82E9-4596-9116-61073B42D661"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}