Show plain JSON{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*", "matchCriteriaId": "64559605-B284-4E8F-BE76-A52DDC1B26FE", "versionEndExcluding": "2.2.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*", "matchCriteriaId": "CB66DB75-2B16-4EBF-9B93-CE49D8086E41", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*", "matchCriteriaId": "815D70A8-47D3-459C-A32C-9FEACA0659D1", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*", "matchCriteriaId": "07C312A0-CD2C-4B9C-B064-6409B25C278F", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*", "matchCriteriaId": "CD783B0C-9246-47D9-A937-6144FE8BFF0F", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*", "matchCriteriaId": "D100F7CE-FC64-4CC6-852A-6136D72DA419", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*", "matchCriteriaId": "97A4B8DF-58DA-4AB6-A1F9-331B36409BA3", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*", "matchCriteriaId": "F1E78106-58E6-4D59-990F-75DA575BFAD9", "vulnerable": true}, {"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:oracle:hospitality_res_3700:*:*:*:*:*:*:*:*", "matchCriteriaId": "CF89FEEE-C473-42D7-9F68-602792BF729B", "versionEndIncluding": "5.7.6", "versionStartIncluding": "5.7", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:http_server:12.1.3.0:*:*:*:*:*:*:*", "matchCriteriaId": "DD4552F9-F5B9-4A52-BA5C-D32D49FABD28", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*", "matchCriteriaId": "AD04BEE5-E9A8-4584-A68C-0195CE9C402C", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:outside_in_technology:8.5.4:*:*:*:*:*:*:*", "matchCriteriaId": "72F1A960-EBA5-4BDB-B629-20F0D2384562", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:outside_in_technology:8.5.5:*:*:*:*:*:*:*", "matchCriteriaId": "3198F822-43F8-4CB3-97F7-C2982FDA5CBD", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:*", "matchCriteriaId": "D03C75BD-A1EA-4BF3-8C18-17EB3403C004", "versionEndExcluding": "8.15.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks)."}, {"lang": "es", "value": "En libexpat en Expat anterior a versi\u00f3n 2.2.7, una entrada XML incluyendo nombres XML que contienen una gran cantidad de \"dos puntos\", podr\u00eda hacer que el analizador XML consuma una gran cantidad de recursos de RAM y CPU durante el procesamiento (lo suficiente como para ser utilizables en ataques de denegaci\u00f3n de servicio) ."}], "id": "CVE-2018-20843", "lastModified": "2024-11-21T04:02:17.487", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-06-24T17:15:09.980", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00039.html"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changes"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/libexpat/libexpat/issues/186"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://github.com/libexpat/libexpat/pull/262"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2019/06/msg00028.html"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CEJJSQSG3KSUQY4FPVHZ7ZTT7FORMFVD/"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IDAUGEB3TUP6NEKJDBUBZX7N5OAUOOOK/"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://seclists.org/bugtraq/2019/Jun/39"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201911-08"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20190703-0001/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://support.f5.com/csp/article/K51011533"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4040-1/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4040-2/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2019/dsa-4472"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuapr2020.html"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuoct2020.html"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.tenable.com/security/tns-2021-11"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00039.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changes"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/libexpat/libexpat/issues/186"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://github.com/libexpat/libexpat/pull/262"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2019/06/msg00028.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CEJJSQSG3KSUQY4FPVHZ7ZTT7FORMFVD/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IDAUGEB3TUP6NEKJDBUBZX7N5OAUOOOK/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://seclists.org/bugtraq/2019/Jun/39"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201911-08"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20190703-0001/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://support.f5.com/csp/article/K51011533"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4040-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4040-2/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2019/dsa-4472"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuapr2020.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuoct2020.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.tenable.com/security/tns-2021-11"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-611"}], "source": "nvd@nist.gov", "type": "Primary"}]}