CVE-2021-41098

{"containers": {"cna": {"affected": [{"product": "nokogiri", "vendor": "sparklemotion", "versions": [{"status": "affected", "version": "< 1.12.5"}]}], "descriptions": [{"lang": "en", "value": "Nokogiri is a Rubygem providing HTML, XML, SAX, and Reader parsers with XPath and CSS selector support. In Nokogiri v1.12.4 and earlier, on JRuby only, the SAX parser resolves external entities by default. Users of Nokogiri on JRuby who parse untrusted documents using any of these classes are affected: Nokogiri::XML::SAX::Parse, Nokogiri::HTML4::SAX::Parser or its alias Nokogiri::HTML::SAX::Parser, Nokogiri::XML::SAX::PushParser, and Nokogiri::HTML4::SAX::PushParser or its alias Nokogiri::HTML::SAX::PushParser. JRuby users should upgrade to Nokogiri v1.12.5 or later to receive a patch for this issue. There are no workarounds available for v1.12.4 or earlier. CRuby users are not affected."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-611", "description": "CWE-611: Improper Restriction of XML External Entity Reference", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-09-27T19:35:11.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-2rr5-8q37-2w7h"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/sparklemotion/nokogiri/commit/5bf729ff3cc84709ee3c3248c981584088bf9f6d"}], "source": {"advisory": "GHSA-2rr5-8q37-2w7h", "discovery": "UNKNOWN"}, "title": "Improper Restriction of XML External Entity Reference (XXE) in Nokogiri on JRuby", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-41098", "STATE": "PUBLIC", "TITLE": "Improper Restriction of XML External Entity Reference (XXE) in Nokogiri on JRuby"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "nokogiri", "version": {"version_data": [{"version_value": "< 1.12.5"}]}}]}, "vendor_name": "sparklemotion"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Nokogiri is a Rubygem providing HTML, XML, SAX, and Reader parsers with XPath and CSS selector support. In Nokogiri v1.12.4 and earlier, on JRuby only, the SAX parser resolves external entities by default. Users of Nokogiri on JRuby who parse untrusted documents using any of these classes are affected: Nokogiri::XML::SAX::Parse, Nokogiri::HTML4::SAX::Parser or its alias Nokogiri::HTML::SAX::Parser, Nokogiri::XML::SAX::PushParser, and Nokogiri::HTML4::SAX::PushParser or its alias Nokogiri::HTML::SAX::PushParser. JRuby users should upgrade to Nokogiri v1.12.5 or later to receive a patch for this issue. There are no workarounds available for v1.12.4 or earlier. CRuby users are not affected."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-611: Improper Restriction of XML External Entity Reference"}]}]}, "references": {"reference_data": [{"name": "https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-2rr5-8q37-2w7h", "refsource": "CONFIRM", "url": "https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-2rr5-8q37-2w7h"}, {"name": "https://github.com/sparklemotion/nokogiri/commit/5bf729ff3cc84709ee3c3248c981584088bf9f6d", "refsource": "MISC", "url": "https://github.com/sparklemotion/nokogiri/commit/5bf729ff3cc84709ee3c3248c981584088bf9f6d"}]}, "source": {"advisory": "GHSA-2rr5-8q37-2w7h", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T02:59:31.455Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-2rr5-8q37-2w7h"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/sparklemotion/nokogiri/commit/5bf729ff3cc84709ee3c3248c981584088bf9f6d"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-41098", "datePublished": "2021-09-27T19:35:11.000Z", "dateReserved": "2021-09-15T00:00:00.000Z", "dateUpdated": "2024-08-04T02:59:31.455Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "nokogiri", "vendor": "sparklemotion", "versions": [{"status": "affected", "version": "< 1.12.5"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nokogiri:nokogiri:*:*:*:*:*:ruby:*:*", "matchCriteriaId": "8617E11C-328F-490E-BB49-8922E5D2A121", "versionEndExcluding": "1.12.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Nokogiri is a Rubygem providing HTML, XML, SAX, and Reader parsers with XPath and CSS selector support. In Nokogiri v1.12.4 and earlier, on JRuby only, the SAX parser resolves external entities by default. Users of Nokogiri on JRuby who parse untrusted documents using any of these classes are affected: Nokogiri::XML::SAX::Parse, Nokogiri::HTML4::SAX::Parser or its alias Nokogiri::HTML::SAX::Parser, Nokogiri::XML::SAX::PushParser, and Nokogiri::HTML4::SAX::PushParser or its alias Nokogiri::HTML::SAX::PushParser. JRuby users should upgrade to Nokogiri v1.12.5 or later to receive a patch for this issue. There are no workarounds available for v1.12.4 or earlier. CRuby users are not affected."}, {"lang": "es", "value": "Nokogiri es un Rubygem proporcionando analizadores de HTML, XML, SAX y Reader con soporte de selector XPath y CSS. En Nokogiri versiones v1.12.4 y anteriores, s\u00f3lo en JRuby, el analizador SAX resuelve las entidades externas por defecto. Los usuarios de Nokogiri en JRuby que analizan documentos no confiables usando cualquiera de estas clases se ven afectados: Nokogiri::XML::SAX::Parse, Nokogiri::HTML4::SAX::Parser o su alias Nokogiri::HTML::SAX::Parser, Nokogiri::XML::SAX::PushParser, y Nokogiri::HTML4::SAX::PushParser o su alias Nokogiri::HTML::SAX::PushParser. Los usuarios de JRuby deben actualizar a Nokogiri versi\u00f3n v1.12.5 o posterior, para recibir un parche para este problema. No hay soluciones disponibles para la versi\u00f3n v1.12.4 o anteriores. Los usuarios de CRuby no est\u00e1n afectados"}], "id": "CVE-2021-41098", "lastModified": "2026-06-17T04:07:52.307", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-27T20:15:07.397", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/sparklemotion/nokogiri/commit/5bf729ff3cc84709ee3c3248c981584088bf9f6d"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-2rr5-8q37-2w7h"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/sparklemotion/nokogiri/commit/5bf729ff3cc84709ee3c3248c981584088bf9f6d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-2rr5-8q37-2w7h"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-611"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "rubygem-nokogiri: XEE on JRuby", "id": "2008914", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2008914"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-611", "details": ["Nokogiri is a Rubygem providing HTML, XML, SAX, and Reader parsers with XPath and CSS selector support. In Nokogiri v1.12.4 and earlier, on JRuby only, the SAX parser resolves external entities by default. Users of Nokogiri on JRuby who parse untrusted documents using any of these classes are affected: Nokogiri::XML::SAX::Parse, Nokogiri::HTML4::SAX::Parser or its alias Nokogiri::HTML::SAX::Parser, Nokogiri::XML::SAX::PushParser, and Nokogiri::HTML4::SAX::PushParser or its alias Nokogiri::HTML::SAX::PushParser. JRuby users should upgrade to Nokogiri v1.12.5 or later to receive a patch for this issue. There are no workarounds available for v1.12.4 or earlier. CRuby users are not affected.", "A XML External Entity Reference (XXE) vulnerability was found in RubyGem Nokogiri on JRuby (Java implementation of the Ruby). If attacker is able to insert untrusted XML input containing a reference to an external entity, it is processed by a weakly configured SAX parser, resulting disclosure of confidential data and server side request forgery. The highest threat from this vulnerability is to system confidentiality."], "name": "CVE-2021-41098", "package_state": [{"cpe": "cpe:/a:redhat:cloudforms_managementengine:5", "fix_state": "Not affected", "package_name": "rubygem-nokogiri", "product_name": "CloudForms Management Engine 5"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Will not fix", "package_name": "nokogiri", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Not affected", "package_name": "3scale_amp", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "tfm-ror52-rubygem-nokogiri", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "tfm-rubygem-nokogiri", "product_name": "Red Hat Satellite 6"}], "public_date": "2021-09-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-41098\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-41098\nhttps://github.com/sparklemotion/nokogiri/security/advisories/GHSA-2rr5-8q37-2w7h"], "statement": "Following Red Hat Products make use of CRuby (C implementation of the Ruby programming language) and are not affected by the vulnerability:\n* Red Hat Advanced Cluster Management for Kubernetes\n* Red Hat CloudForms\n* Red Hat Satellite\n* Red Hat Enterprise Linux", "threat_severity": "Moderate"}

{}