CVE-2018-8020

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{"affected": [{"affectedData": [{"product": "Apache Tomcat Native", "vendor": "Apache Software Foundation", "versions": [{"status": "affected", "version": "1.2.0 to 1.2.16"}, {"status": "affected", "version": "1.1.23 to 1.1.34"}]}], "source": "security@apache.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:tomcat_native:*:*:*:*:*:*:*:*", "matchCriteriaId": "A362CAA5-51E6-45FC-AF1F-92D7D427FA3B", "versionEndIncluding": "1.1.34", "versionStartIncluding": "1.1.23", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat_native:*:*:*:*:*:*:*:*", "matchCriteriaId": "9C0691E6-BCC0-4EA8-B916-AA3711CDC6C2", "versionEndIncluding": "1.2.16", "versionStartIncluding": "1.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Apache Tomcat Native 1.2.0 to 1.2.16 and 1.1.23 to 1.1.34 has a flaw that does not properly check OCSP pre-produced responses, which are lists (multiple entries) of certificate statuses. Subsequently, revoked client certificates may not be properly identified, allowing for users to authenticate with revoked certificates to connections that require mutual TLS. Users not using OCSP checks are not affected by this vulnerability."}, {"lang": "es", "value": "Apache Tomcat Native desde la versi\u00f3n 1.2.0 hasta la 1.2.16 y desde la versi\u00f3n 1.1.23 hasta la 1.1.34 tiene un error por el cual no comprueba las respuestas OCSP preproducidas, las cuales son listas (m\u00faltiples entradas) de estados de certificados. Subsecuentemente, los certificados de cliente revocados no se identifican correctamente, lo que permite que los usuarios se autentiquen con certificados revocados en conexiones que requieren TLS mutuo. Los usuarios que no emplean comprobaciones OCSP no se han visto afectados por esta vulnerabilidad."}], "id": "CVE-2018-8020", "lastModified": "2026-06-17T02:04:06.440", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": 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"tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:2470"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/ba661b0edd913b39ff129a32d855620dd861883ade05fd88a8ce517d%40%3Cdev.tomcat.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/f8e0814e11c7f21f42224b6de111cb3f5e5ab5c15b78924c516d4ec2%40%3Cdev.tomcat.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r831e0548fad736a98140d0b3b7dc575af0c50faea0b266434ba813cc%40%3Cdev.rocketmq.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rb25b42f666d2cac5e6e6b3f771faf60d1f1aa58073dcdd8db14edf8a%40%3Cdev.rocketmq.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rcddf723a4b4117f8ed6042e9ac25e8c5110a617bab77694b61b14833%40%3Cdev.rocketmq.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/re3b72cbb13e1dfe85c4a06959a3b6ca6d939b407ecca80db12b54220%40%3Cdev.tomcat.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rf8e8c091182b45daa50d3557cad9b10bb4198e3f08cf8f1c66a1b08d%40%3Cdev.tomcat.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2018/08/msg00023.html"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "This issue was discovered by Coty Sutherland (Red Hat).", "affected_release": [{"advisory": "RHSA-2018:2470", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3.1", "package": "tomcat-native", "product_name": "Red Hat JBoss Web Server 3.1", "release_date": "2018-08-16T00:00:00Z"}, {"advisory": "RHSA-2018:2469", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3.1::el6", "package": "tomcat7-0:7.0.70-27.ep7.el6", "product_name": "Red Hat JBoss Web Server 3 for RHEL 6", "release_date": "2018-08-16T00:00:00Z"}, {"advisory": "RHSA-2018:2469", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3.1::el6", "package": "tomcat8-0:8.0.36-31.ep7.el6", "product_name": "Red Hat JBoss Web Server 3 for RHEL 6", "release_date": "2018-08-16T00:00:00Z"}, {"advisory": "RHSA-2018:2469", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3.1::el6", "package": "tomcat-native-0:1.2.17-17.redhat_17.ep7.el6", "product_name": "Red Hat JBoss Web Server 3 for RHEL 6", "release_date": "2018-08-16T00:00:00Z"}, {"advisory": "RHSA-2018:2469", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3.1::el7", "package": "tomcat7-0:7.0.70-27.ep7.el7", "product_name": "Red Hat JBoss Web Server 3 for RHEL 7", "release_date": "2018-08-16T00:00:00Z"}, {"advisory": "RHSA-2018:2469", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3.1::el7", "package": "tomcat8-0:8.0.36-31.ep7.el7", "product_name": "Red Hat JBoss Web Server 3 for RHEL 7", "release_date": "2018-08-16T00:00:00Z"}, {"advisory": "RHSA-2018:2469", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3.1::el7", "package": "tomcat-native-0:1.2.17-17.redhat_17.ep7.el7", "product_name": "Red Hat JBoss Web Server 3 for RHEL 7", "release_date": "2018-08-16T00:00:00Z"}], "bugzilla": {"description": "tomcat-native: Mishandled OCSP responses can allow clients to authenticate with revoked certificates", "id": "1581569", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1581569"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N", "status": "verified"}, "cwe": "CWE-287", "details": ["Apache Tomcat Native 1.2.0 to 1.2.16 and 1.1.23 to 1.1.34 has a flaw that does not properly check OCSP pre-produced responses, which are lists (multiple entries) of certificate statuses. Subsequently, revoked client certificates may not be properly identified, allowing for users to authenticate with revoked certificates to connections that require mutual TLS. Users not using OCSP checks are not affected by this vulnerability.", "When using pre-produced responses from an OCSP responder, Tomcat Native did not correctly validate the status of certificates. This allowed for revoked client certificates to be incorrectly identified. It was therefore possible for users to authenticate with revoked certificates when using mutual TLS."], "name": "CVE-2018-8020", "package_state": [{"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:5", "fix_state": "Not affected", "package_name": "tomcat-native", "product_name": "Red Hat JBoss Enterprise Application Platform 5"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:6", "fix_state": "Not affected", "package_name": "tomcat-native", "product_name": "Red Hat JBoss Enterprise Application Platform 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:2", "fix_state": "Will not fix", "package_name": "tomcat-native", "product_name": "Red Hat JBoss Enterprise Web Server 2"}], "public_date": "2018-07-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-8020\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-8020\nhttp://mail-archives.apache.org/mod_mbox/www-announce/201807.mbox/%3C20180721095943.GA24320%40minotaur.apache.org%3E\nhttp://tomcat.apache.org/security-native.html#Fixed_in_Apache_Tomcat_Native_Connector_1.2.17"], "threat_severity": "Important"}

{}