{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2018-18020", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2023-08-30T00:06:48.855731", "dateReserved": "2018-10-06T00:00:00", "datePublished": "2018-10-06T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-08-30T00:06:48.855731"}, "descriptions": [{"lang": "en", "value": "In QPDF 8.2.1, in libqpdf/QPDFWriter.cc, QPDFWriter::unparseObject and QPDFWriter::unparseChild have recursive calls for a long time, which allows remote attackers to cause a denial of service via a crafted PDF file."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/qpdf/qpdf/issues/243"}, {"name": "[debian-lts-announce] 20230829 [SECURITY] [DLA 3548-1] qpdf security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00037.html"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}], "datePublic": "2018-10-06T00:00:00"}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qpdf_project:qpdf:8.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "5FE45262-5BD5-4D58-BD04-161922E928B9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In QPDF 8.2.1, in libqpdf/QPDFWriter.cc, QPDFWriter::unparseObject and QPDFWriter::unparseChild have recursive calls for a long time, which allows remote attackers to cause a denial of service via a crafted PDF file."}, {"lang": "es", "value": "En QPDF 8.2.1, en libqpdf/QPDFWriter.cc, QPDFWriter::unparseObject y QPDFWriter::unparseChild tienen llamadas recursivas durante mucho tiempo, lo que permite que atacantes remotos provoquen una denegaci\u00f3n de servicio (DoS) mediante un archivo PDF manipulado."}], "id": "CVE-2018-18020", "lastModified": "2023-08-30T01:15:27.203", "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": "LOCAL", "availabilityImpact": "LOW", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-10-06T14:29:00.660", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/qpdf/qpdf/issues/243"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00037.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-674"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}