When multiple server blocks are configured to share the same IP address and port, an attacker can use session resumption to bypass client certificate authentication requirements on these servers. This vulnerability arises when TLS Session Tickets https://nginx.org/en/docs/http/ngxhttpsslmodule.html#sslsessionticketkey are used and/or the SSL session cache https://nginx.org/en/docs/http/ngxhttpsslmodule.html#sslsession_cache are used in the default server and the default server is performing client certificate authentication. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "libnginx-mod-http-auth-pam", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-auth-pam-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-cache-purge", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-cache-purge-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-dav-ext", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-dav-ext-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-echo", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-echo-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-fancyindex", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-fancyindex-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-geoip", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-geoip-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-geoip2", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-geoip2-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-headers-more-filter", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-headers-more-filter-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-image-filter", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-image-filter-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-lua", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-lua-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-ndk", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-ndk-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-perl", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-perl-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-subs-filter", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-subs-filter-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-uploadprogress", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-uploadprogress-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-upstream-fair", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-upstream-fair-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-xslt-filter", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-http-xslt-filter-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-mail", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-mail-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-nchan", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-nchan-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-rtmp", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-rtmp-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-stream", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "libnginx-mod-stream-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "nginx", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "nginx-common", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "nginx-core", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "nginx-core-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "nginx-doc", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "nginx-extras", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "nginx-extras-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "nginx-full", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "nginx-full-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "nginx-light", "binary_version": "1.18.0-0ubuntu1.7" }, { "binary_name": "nginx-light-dbgsym", "binary_version": "1.18.0-0ubuntu1.7" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "libnginx-mod-http-auth-pam", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-auth-pam-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-cache-purge", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-cache-purge-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-dav-ext", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-dav-ext-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-echo", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-echo-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-fancyindex", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-fancyindex-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-geoip", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-geoip-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-geoip2", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-geoip2-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-headers-more-filter", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-headers-more-filter-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-image-filter", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-image-filter-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-ndk", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-ndk-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-perl", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-perl-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-subs-filter", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-subs-filter-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-uploadprogress", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-uploadprogress-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-upstream-fair", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-upstream-fair-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-xslt-filter", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-http-xslt-filter-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-mail", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-mail-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-nchan", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-nchan-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-rtmp", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-rtmp-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-stream", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-stream-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-stream-geoip", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-stream-geoip-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-stream-geoip2", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "libnginx-mod-stream-geoip2-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "nginx", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "nginx-common", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "nginx-core", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "nginx-core-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "nginx-doc", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "nginx-extras", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "nginx-extras-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "nginx-full", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "nginx-light", "binary_version": "1.18.0-6ubuntu14.6" }, { "binary_name": "nginx-light-dbgsym", "binary_version": "1.18.0-6ubuntu14.6" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "libnginx-mod-http-geoip", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "libnginx-mod-http-geoip-dbgsym", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "libnginx-mod-http-image-filter", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "libnginx-mod-http-image-filter-dbgsym", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "libnginx-mod-http-perl", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "libnginx-mod-http-perl-dbgsym", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "libnginx-mod-http-xslt-filter", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "libnginx-mod-http-xslt-filter-dbgsym", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "libnginx-mod-mail", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "libnginx-mod-mail-dbgsym", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "libnginx-mod-stream", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "libnginx-mod-stream-dbgsym", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "libnginx-mod-stream-geoip", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "libnginx-mod-stream-geoip-dbgsym", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "nginx", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "nginx-common", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "nginx-core", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "nginx-dbgsym", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "nginx-dev", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "nginx-doc", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "nginx-extras", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "nginx-full", "binary_version": "1.24.0-2ubuntu7.3" }, { "binary_name": "nginx-light", "binary_version": "1.24.0-2ubuntu7.3" } ] }