CVE-2018-20573

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{"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:yaml-cpp_project:yaml-cpp:0.6.2:*:*:*:*:*:*:*", "matchCriteriaId": "E8693389-E1C8-4A1F-B142-E1CA51BE82D2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Scanner::EnsureTokensInQueue function in yaml-cpp (aka LibYaml-C++) 0.6.2 allows remote attackers to cause a denial of service (stack consumption and application crash) via a crafted YAML file."}, {"lang": "es", "value": "La funci\u00f3n Scanner::EnsureTokensInQueue en yaml-cpp (tambi\u00e9n conocido como LibYaml-C++) 0.6.2 permite que atacantes remotos provoquen una denegaci\u00f3n de servicio (consumo de pila y cierre inesperado de la aplicaci\u00f3n) mediante un archivo YAML manipulado."}], "id": "CVE-2018-20573", "lastModified": "2026-06-17T01:53:06.700", "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}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-12-28T16:29:05.800", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/jbeder/yaml-cpp/issues/655"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2024/Nov/0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/jbeder/yaml-cpp/issues/655"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "yaml-cpp: DoS in Scanner::EnsureTokensInQueue function in yaml-cpp", "id": "1665567", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1665567"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-400", "details": ["The Scanner::EnsureTokensInQueue function in yaml-cpp (aka LibYaml-C++) 0.6.2 allows remote attackers to cause a denial of service (stack consumption and application crash) via a crafted YAML file."], "name": "CVE-2018-20573", "package_state": [{"cpe": "cpe:/a:redhat:openstack:10", "fix_state": "Fix deferred", "package_name": "yaml-cpp", "product_name": "Red Hat OpenStack Platform 10 (Newton)"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Fix deferred", "package_name": "yaml-cpp", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}, {"cpe": "cpe:/a:redhat:openstack:14", "fix_state": "Affected", "package_name": "yaml-cpp", "product_name": "Red Hat OpenStack Platform 14 (Rocky)"}, {"cpe": "cpe:/a:redhat:openstack:8", "fix_state": "Fix deferred", "package_name": "yaml-cpp", "product_name": "Red Hat OpenStack Platform 8 (Liberty)"}, {"cpe": "cpe:/a:redhat:openstack:9", "fix_state": "Fix deferred", "package_name": "yaml-cpp", "product_name": "Red Hat OpenStack Platform 9 (Mitaka)"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Will not fix", "package_name": "yaml-cpp", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Will not fix", "package_name": "rh-mongodb32-yaml-cpp", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Will not fix", "package_name": "rh-mongodb34-yaml-cpp", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Will not fix", "package_name": "rh-mongodb36-yaml-cpp", "product_name": "Red Hat Software Collections"}], "public_date": "2018-12-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-20573\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-20573"], "statement": "This issue affects the versions of rh-mongodb32-yaml-cpp, rh-mongodb34-yaml-cpp, and rh-mongodb36-yaml-cpp as shipped with Red Hat Software Collections. However, this is only used to parse configuration files.\nRed Hat Satellite 6.5 ship yaml-cpp however has been rated as a security impact of Low, product version Satellite 6.6 onward is not affected. Satellite 6.5 is in Maintenance Support phase of the product life cycle and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Satellite 6 Life Cycle: https://access.redhat.com/support/policy/updates/satellite.", "threat_severity": "Low"}

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