{"id":"CVE-2018-8019","aliases":["DEBIAN-CVE-2018-8019","DLA-1475-1","EUVD-2018-19720","GHSA-w5fc-h82j-vq6w","MGASA-2019-0184","RHSA-2018:2469","SUSE-SU-2019:14014-1","UBUNTU-CVE-2018-8019"],"status":"published","title":"When using an OCSP responder Apache Tomcat Native 1.2.0 to 1.2.16 and 1.1.23 to 1.1.34 did not...","description":"When using an OCSP responder Apache Tomcat Native 1.2.0 to 1.2.16 and 1.1.23 to 1.1.34 did not correctly handle invalid responses. 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. Users not using OCSP checks are not affected by this vulnerability.","severity":{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0405,"percentile":0.90706,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-295"],"published":"2018-07-31T13:00:00Z","modified":"2026-10-24T10:30:24Z","fixes":[{"ecosystem":"Debian:12","package":"tomcat-native","fixed_in":["1.2.17-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"tomcat-native","fixed_in":["1.2.17-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"tomcat-native","fixed_in":["1.2.17-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"tomcat-native","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.17-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"tomcat-native","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.17-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"tomcat-native","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.17-1"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"tomcat-native","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.32~repack-2+deb8u2"}]}],"versions":["1.1.32~repack-2","1.1.32~repack-2+deb8u1"],"bundled":2},{"source":"osv","ecosystem":"Mageia:6","package":"tomcat-native","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.18-1.mga6"}]}],"bundled":2},{"source":"osv","ecosystem":"Red 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using an OCSP responder Apache Tomcat Native 1.2.0 to 1.2.16 and 1.1.23 to 1.1.34 did not correctly handle invalid responses. 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. Users not using OCSP checks are not affected by this vulnerability.","status":"published","published":"2018-07-31T13:00:00Z","modified":"2024-09-16T17:23:05.725Z","updated_at":"2026-11-02T14:35:03.825765Z"}],"euvd":[{"id":"EUVD-2018-19720","description":"When using an OCSP responder Apache Tomcat Native 1.2.0 to 1.2.16 and 1.1.23 to 1.1.34 did not correctly handle invalid responses. 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. Users not using OCSP checks are not affected by this vulnerability.","status":"published","published":"2018-07-31T13:00:00Z","modified":"2024-09-16T17:23:05Z","updated_at":"2026-11-03T00:55:42.930901Z"}],"ghsa":[{"id":"GHSA-w5fc-h82j-vq6w","title":"When using an OCSP responder Apache Tomcat Native 1.2.0 to 1.2.16 and 1.1.23 to 1.1.34 did not...","description":"When using an OCSP responder Apache Tomcat Native 1.2.0 to 1.2.16 and 1.1.23 to 1.1.34 did not correctly handle invalid responses. 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. Users not using OCSP checks are not affected by this vulnerability.","status":"published","published":"2022-05-13T01:28:42Z","modified":"2023-02-01T05:07:41Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:50:35.618049Z"}],"nvd":[{"id":"CVE-2018-8019","description":"When using an OCSP responder Apache Tomcat Native 1.2.0 to 1.2.16 and 1.1.23 to 1.1.34 did not correctly handle invalid responses. 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. Users not using OCSP checks are not affected by this vulnerability.","status":"published","published":"2018-07-31T13:29:00.797Z","modified":"2026-06-17T02:04:06.273Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:04:35.310988Z"}],"osv":[{"id":"CVE-2018-8019","description":"When using an OCSP responder Apache Tomcat Native 1.2.0 to 1.2.16 and 1.1.23 to 1.1.34 did not correctly handle invalid responses. 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. Users not using OCSP checks are not affected by this vulnerability.","status":"published","published":"2018-07-31T13:29:00.797Z","modified":"2026-10-24T10:30:24.074256906Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:09.74357Z"},{"id":"DEBIAN-CVE-2018-8019","description":"When using an OCSP responder Apache Tomcat Native 1.2.0 to 1.2.16 and 1.1.23 to 1.1.34 did not correctly handle invalid responses. 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. Users not using OCSP checks are not affected by this vulnerability.","status":"published","published":"2018-07-31T13:29:00.797Z","modified":"2026-10-23T18:03:09.368247989Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:31.170944Z"},{"id":"RHSA-2018:2469","title":"Red Hat Security Advisory: Red Hat JBoss Web Server 3.1.0 Service Pack 4 security and bug fix update","status":"published","published":"2024-09-16T01:39:07Z","modified":"2026-06-29T10:21:45Z","cvss":[{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:05.383061Z"},{"id":"UBUNTU-CVE-2018-8019","description":"When using an OCSP responder Apache Tomcat Native 1.2.0 to 1.2.16 and 1.1.23 to 1.1.34 did not correctly handle invalid responses. 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. Users not using OCSP checks are not affected by this vulnerability.","status":"published","published":"2018-07-31T13:29:00Z","modified":"2025-10-24T04:46:57Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:18.772093Z"},{"id":"DLA-1475-1","title":"tomcat-native - security update","status":"published","published":"2018-08-22T00:00:00Z","modified":"2026-03-09T01:22:26.294562Z","updated_at":"2026-11-02T15:46:09.777694Z"},{"id":"MGASA-2019-0184","title":"Updated tomcat-native packages fix security vulnerability","description":"When using an OCSP responder did not correctly handle invalid responses.\nThis allowed for revoked client certificates to be incorrectly identified.\nIt was therefore possible for users to authenticate with revoked\ncertificates when using mutual TLS (CVE-2018-8019).\n\nDid not properly check OCSP pre-produced responses. Revoked client\ncertificates may have not been properly identified, allowing for users to\nauthenticate with revoked certificates to connections that require mutual\nTLS (CVE-2018-8020).\n","status":"published","published":"2019-05-19T11:27:30Z","modified":"2026-04-16T04:41:44.443805085Z","updated_at":"2026-11-02T15:49:40.793816Z"},{"id":"SUSE-SU-2019:14014-1","title":"Security update for libtcnative-1-0","description":"This update for libtcnative-1-0 to version 1.1.34 fixes the following issues:\n\n- CVE-2017-15698: Fixed an improper handling of fields with more than 127 bytes \n  which could allow invalid client certificates to be accepted (bsc#1078679).\n- CVE-2018-8019: When using an OCSP responder did not correctly handle invalid\n  responses. This allowed for revoked client certificates to be incorrectly\n  identified. It was therefore possible for users to authenticate with revoked\n  certificates when using mutual TLS (bsc#1103348).\n- CVE-2018-8020: Did not properly check OCSP pre-produced responses. Revoked\n  client certificates may have not been properly identified, allowing for users\n  to authenticate with revoked certificates to connections that require mutual\n  TLS (bsc#1103347).\n\nFor a complete list of changes please see\nhttp://tomcat.apache.org/native-1.1-doc/miscellaneous/changelog.html\n","status":"published","published":"2019-04-09T09:17:42Z","modified":"2026-02-04T02:36:04.29513Z","updated_at":"2026-11-02T15:53:46.44301Z"}]}}