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{"bugzilla": {"description": "rubygem-nokogiri: Denial of service", "id": "2153279", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2153279"}, "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:N/I:N/A:H", "status": "draft"}, "cwe": "(CWE-252|CWE-476)", "details": ["Nokogiri is an open source XML and HTML library for the Ruby programming language. Nokogiri `1.13.8` and `1.13.9` fail to check the return value from `xmlTextReaderExpand` in the method `Nokogiri::XML::Reader#attribute_hash`. This can lead to a null pointer exception when invalid markup is being parsed. For applications using `XML::Reader` to parse untrusted inputs, this may potentially be a vector for a denial of service attack. Users are advised to upgrade to Nokogiri `>= 1.13.10`. Users may be able to search their code for calls to either `XML::Reader#attributes` or `XML::Reader#attribute_hash` to determine if they are affected.", "A denial of service flaw was found in rubygem-nokogiri. When parsing invalid markup, a NULL pointer exception may occur, which is a potential vector for a denial of service attack."], "name": "CVE-2022-23476", "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": "Not affected", "package_name": "3scale-amp-backend-container", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Not affected", "package_name": "3scale-amp-zync-container", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Not affected", "package_name": "3scale-toolbox-container", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:ceph_storage:6", "fix_state": "Affected", "package_name": "rocksdb", "product_name": "Red Hat Ceph Storage 6"}, {"cpe": "cpe:/a:redhat:ceph_storage:7", "fix_state": "Affected", "package_name": "rocksdb", "product_name": "Red Hat Ceph Storage 7"}, {"cpe": "cpe:/a:redhat:ceph_storage:8", "fix_state": "Affected", "package_name": "rocksdb", "product_name": "Red Hat Ceph Storage 8"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "satellite-capsule:el8/rubygem-nokogiri", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "satellite:el8/rubygem-amazing_print", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "satellite:el8/rubygem-nokogiri", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "satellite-utils:el8/rubygem-amazing_print", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "tfm-ror51-rubygem-nokogiri", "product_name": "Red Hat Satellite 6"}, {"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-amazing_print", "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": "2022-12-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-23476\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-23476\nhttps://github.com/sparklemotion/nokogiri/security/advisories/GHSA-qv4q-mr5r-qprj"], "threat_severity": "Moderate"}