{"id":"CVE-2019-0223","details":"While investigating bug PROTON-2014, we discovered that under some circumstances Apache Qpid Proton versions 0.9 to 0.27.0 (C library and its language bindings) can connect to a peer anonymously using TLS *even when configured to verify the peer certificate* while used with OpenSSL versions before 1.1.0. This means that an undetected man in the middle attack could be constructed if an attacker can arrange to intercept TLS traffic.","modified":"2026-03-12T22:57:14.924297Z","published":"2019-04-23T16:29:00.467Z","related":["SUSE-SU-2024:1074-1","openSUSE-SU-2024:13808-1"],"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/d9c9a882a292e2defaed1f954528c916fb64497ce57db652727e39b0%40%3Cannounce.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/914424e4d798a340f523b6169aaf39b626971d9bb00fcdeb1d5d6c0d%40%3Ccommits.qpid.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/008ee5e78e5a090e1fcc5f6617f425e4e51d59f03d3eda2dd006df9f%40%3Cusers.qpid.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/3adb2f020f705b4fd453982992a68cd10f9d5ac728b699efdb73c1f5%40%3Cdev.qpid.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/49c83f0acce5ceaeffca51714ec2ba0f0199bcb8f99167181bba441b%40%3Cdev.qpid.apache.org%3E"},{"type":"WEB","url":"http://www.securityfocus.com/bid/108044"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2777"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2779"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2782"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2019/04/23/4"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2780"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1398"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1399"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2778"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2781"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0886"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1400"},{"type":"REPORT","url":"https://issues.apache.org/jira/browse/PROTON-2014?page=com.atlassian.jira.plugin.system.issuetabpanels%3Aall-tabpanel"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-0223.json","unresolved_ranges":[{"events":[{"introduced":"0.9"},{"last_affected":"0.27.0"}]},{"events":[{"introduced":"0"},{"last_affected":"13"}]},{"events":[{"introduced":"0"},{"last_affected":"14"}]},{"events":[{"introduced":"0"},{"last_affected":"6.3"}]},{"events":[{"introduced":"0"},{"last_affected":"6.4"}]},{"events":[{"introduced":"0"},{"last_affected":"6.5"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"6.7"}]},{"events":[{"introduced":"0"},{"last_affected":"7.2"}]},{"events":[{"introduced":"0"},{"last_affected":"7.3"}]},{"events":[{"introduced":"0"},{"last_affected":"7.4"}]},{"events":[{"introduced":"0"},{"last_affected":"7.5"}]},{"events":[{"introduced":"0"},{"last_affected":"7.6"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"5.9"}]},{"events":[{"introduced":"0"},{"last_affected":"6.4"}]},{"events":[{"introduced":"0"},{"last_affected":"6.5"}]},{"events":[{"introduced":"0"},{"last_affected":"6.6"}]},{"events":[{"introduced":"0"},{"last_affected":"7.2"}]},{"events":[{"introduced":"0"},{"last_affected":"7.3"}]},{"events":[{"introduced":"0"},{"last_affected":"7.4"}]},{"events":[{"introduced":"0"},{"last_affected":"7.6"}]},{"events":[{"introduced":"0"},{"last_affected":"7.2"}]},{"events":[{"introduced":"0"},{"last_affected":"7.3"}]},{"events":[{"introduced":"0"},{"last_affected":"7.4"}]},{"events":[{"introduced":"0"},{"last_affected":"7.6"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}