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"package": "jbcs-httpd24-httpd-0:2.4.37-74.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2021-06-17T00:00:00Z"}, {"advisory": "RHSA-2021:2472", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-jansson-0:2.11-55.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2021-06-17T00:00:00Z"}, {"advisory": "RHSA-2021:2472", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-mod_cluster-native-0:1.3.16-5.Final_redhat_2.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2021-06-17T00:00:00Z"}, {"advisory": "RHSA-2021:2472", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-mod_http2-0:1.15.7-17.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2021-06-17T00:00:00Z"}, {"advisory": "RHSA-2021:2472", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-mod_jk-0:1.2.48-16.redhat_1.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2021-06-17T00:00:00Z"}, {"advisory": "RHSA-2021:2472", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-mod_md-1:2.0.8-36.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2021-06-17T00:00:00Z"}, {"advisory": "RHSA-2021:2472", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-mod_security-0:2.9.2-63.GA.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2021-06-17T00:00:00Z"}], "bugzilla": {"description": "curl: TLS 1.3 session ticket mix-up with HTTPS proxy host", "id": "1941965", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1941965"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "status": "verified"}, "cwe": "CWE-290", "details": ["curl 7.63.0 to and including 7.75.0 includes vulnerability that allows a malicious HTTPS proxy to MITM a connection due to bad handling of TLS 1.3 session tickets. When using a HTTPS proxy and TLS 1.3, libcurl can confuse session tickets arriving from the HTTPS proxy but work as if they arrived from the remote server and then wrongly \"short-cut\" the host handshake. When confusing the tickets, a HTTPS proxy can trick libcurl to use the wrong session ticket resume for the host and thereby circumvent the server TLS certificate check and make a MITM attack to be possible to perform unnoticed. Note that such a malicious HTTPS proxy needs to provide a certificate that curl will accept for the MITMed server for an attack to work - unless curl has been told to ignore the server certificate check.", "A flaw was found in the way libcurl handled TLS 1.3 session tickets. A malicious HTTPS proxy could possibly use this flaw to make libcurl resume a TLS session it previously had with the proxy while intending to resume a TLS session with a target server, making it possible for the proxy to perform a man-in-the-middle attack."], "name": "CVE-2021-22890", "package_state": [{"cpe": "cpe:/a:redhat:rhel_dotnet:2.1", "fix_state": "Not affected", "package_name": "rh-dotnet21-curl", "product_name": ".NET Core 2.1 on Red Hat Enterprise Linux"}, {"cpe": "cpe:/a:redhat:rhel_dotnet:3.1", "fix_state": "Not affected", "package_name": "rh-dotnet31-curl", "product_name": ".NET Core 3.1 on Red Hat Enterprise Linux"}, {"cpe": "cpe:/a:redhat:ceph_storage:2", "fix_state": "Out of support scope", "package_name": "curl", "product_name": "Red Hat Ceph Storage 2"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "httpd24-curl", "product_name": "Red Hat Software Collections"}], "public_date": "2021-03-31T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-22890\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-22890\nhttps://curl.se/docs/CVE-2021-22890.html"], "threat_severity": "Low", "upstream_fix": "curl 7.76.0"}