CVE-2021-4235

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241", "name": "https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://pkg.go.dev/vuln/GO-2021-0061", "name": "https://pkg.go.dev/vuln/GO-2021-0061", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/go-yaml/yaml/pull/375", "name": "https://github.com/go-yaml/yaml/pull/375", "tags": ["Exploit", "Patch", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-4235", "ASSIGNER": "security@golang.org"}}, "impact": {"baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}}, "publishedDate": "2022-12-27T22:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:yaml_project:yaml:*:*:*:*:*:go:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.2.3"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2023-01-06T01:28Z"}