In some modssl configurations on Apache HTTP Server 2.4.35 through to 2.4.63, an access control bypass by trusted clients is possible using TLS 1.3 session resumption. Configurations are affected when modssl is configured for multiple virtual hosts, with each restricted to a different set of trusted client certificates (for example with a different SSLCACertificateFile/Path setting). In such a case, a client trusted to access one virtual host may be able to access another virtual host, if SSLStrictSNIVHostCheck is not enabled in either virtual host.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "2.4.18-2ubuntu3.17+esm16", "binary_name": "apache2" }, { "binary_version": "2.4.18-2ubuntu3.17+esm16", "binary_name": "apache2-bin" }, { "binary_version": "2.4.18-2ubuntu3.17+esm16", "binary_name": "apache2-bin-dbgsym" }, { "binary_version": "2.4.18-2ubuntu3.17+esm16", "binary_name": "apache2-data" }, { "binary_version": "2.4.18-2ubuntu3.17+esm16", "binary_name": "apache2-dbg" }, { "binary_version": "2.4.18-2ubuntu3.17+esm16", "binary_name": "apache2-dbgsym" }, { "binary_version": "2.4.18-2ubuntu3.17+esm16", "binary_name": "apache2-dev" }, { "binary_version": "2.4.18-2ubuntu3.17+esm16", "binary_name": "apache2-dev-dbgsym" }, { "binary_version": "2.4.18-2ubuntu3.17+esm16", "binary_name": "apache2-doc" }, { "binary_version": "2.4.18-2ubuntu3.17+esm16", "binary_name": "apache2-suexec-custom" }, { "binary_version": "2.4.18-2ubuntu3.17+esm16", "binary_name": "apache2-suexec-custom-dbgsym" }, { "binary_version": "2.4.18-2ubuntu3.17+esm16", "binary_name": "apache2-suexec-pristine" }, { "binary_version": "2.4.18-2ubuntu3.17+esm16", "binary_name": "apache2-suexec-pristine-dbgsym" }, { "binary_version": "2.4.18-2ubuntu3.17+esm16", "binary_name": "apache2-utils" }, { "binary_version": "2.4.18-2ubuntu3.17+esm16", "binary_name": "apache2-utils-dbgsym" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "2.4.29-1ubuntu4.27+esm6", "binary_name": "apache2" }, { "binary_version": "2.4.29-1ubuntu4.27+esm6", "binary_name": "apache2-bin" }, { "binary_version": "2.4.29-1ubuntu4.27+esm6", "binary_name": "apache2-data" }, { "binary_version": "2.4.29-1ubuntu4.27+esm6", "binary_name": "apache2-dbg" }, { "binary_version": "2.4.29-1ubuntu4.27+esm6", "binary_name": "apache2-dev" }, { "binary_version": "2.4.29-1ubuntu4.27+esm6", "binary_name": "apache2-doc" }, { "binary_version": "2.4.29-1ubuntu4.27+esm6", "binary_name": "apache2-ssl-dev" }, { "binary_version": "2.4.29-1ubuntu4.27+esm6", "binary_name": "apache2-suexec-custom" }, { "binary_version": "2.4.29-1ubuntu4.27+esm6", "binary_name": "apache2-suexec-pristine" }, { "binary_version": "2.4.29-1ubuntu4.27+esm6", "binary_name": "apache2-utils" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "2.4.41-4ubuntu3.23+esm2", "binary_name": "apache2" }, { "binary_version": "2.4.41-4ubuntu3.23+esm2", "binary_name": "apache2-bin" }, { "binary_version": "2.4.41-4ubuntu3.23+esm2", "binary_name": "apache2-bin-dbgsym" }, { "binary_version": "2.4.41-4ubuntu3.23+esm2", "binary_name": "apache2-data" }, { "binary_version": "2.4.41-4ubuntu3.23+esm2", "binary_name": "apache2-dev" }, { "binary_version": "2.4.41-4ubuntu3.23+esm2", "binary_name": "apache2-doc" }, { "binary_version": "2.4.41-4ubuntu3.23+esm2", "binary_name": "apache2-ssl-dev" }, { "binary_version": "2.4.41-4ubuntu3.23+esm2", "binary_name": "apache2-suexec-custom" }, { "binary_version": "2.4.41-4ubuntu3.23+esm2", "binary_name": "apache2-suexec-custom-dbgsym" }, { "binary_version": "2.4.41-4ubuntu3.23+esm2", "binary_name": "apache2-suexec-pristine" }, { "binary_version": "2.4.41-4ubuntu3.23+esm2", "binary_name": "apache2-suexec-pristine-dbgsym" }, { "binary_version": "2.4.41-4ubuntu3.23+esm2", "binary_name": "apache2-utils" }, { "binary_version": "2.4.41-4ubuntu3.23+esm2", "binary_name": "apache2-utils-dbgsym" }, { "binary_version": "2.4.41-4ubuntu3.23+esm2", "binary_name": "libapache2-mod-md" }, { "binary_version": "2.4.41-4ubuntu3.23+esm2", "binary_name": "libapache2-mod-proxy-uwsgi" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "2.4.52-1ubuntu4.15", "binary_name": "apache2" }, { "binary_version": "2.4.52-1ubuntu4.15", "binary_name": "apache2-bin" }, { "binary_version": "2.4.52-1ubuntu4.15", "binary_name": "apache2-bin-dbgsym" }, { "binary_version": "2.4.52-1ubuntu4.15", "binary_name": "apache2-data" }, { "binary_version": "2.4.52-1ubuntu4.15", "binary_name": "apache2-dev" }, { "binary_version": "2.4.52-1ubuntu4.15", "binary_name": "apache2-doc" }, { "binary_version": "2.4.52-1ubuntu4.15", "binary_name": "apache2-ssl-dev" }, { "binary_version": "2.4.52-1ubuntu4.15", "binary_name": "apache2-suexec-custom" }, { "binary_version": "2.4.52-1ubuntu4.15", "binary_name": "apache2-suexec-custom-dbgsym" }, { "binary_version": "2.4.52-1ubuntu4.15", "binary_name": "apache2-suexec-pristine" }, { "binary_version": "2.4.52-1ubuntu4.15", "binary_name": "apache2-suexec-pristine-dbgsym" }, { "binary_version": "2.4.52-1ubuntu4.15", "binary_name": "apache2-utils" }, { "binary_version": "2.4.52-1ubuntu4.15", "binary_name": "apache2-utils-dbgsym" }, { "binary_version": "2.4.52-1ubuntu4.15", "binary_name": "libapache2-mod-md" }, { "binary_version": "2.4.52-1ubuntu4.15", "binary_name": "libapache2-mod-proxy-uwsgi" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "2.4.58-1ubuntu8.7", "binary_name": "apache2" }, { "binary_version": "2.4.58-1ubuntu8.7", "binary_name": "apache2-bin" }, { "binary_version": "2.4.58-1ubuntu8.7", "binary_name": "apache2-bin-dbgsym" }, { "binary_version": "2.4.58-1ubuntu8.7", "binary_name": "apache2-data" }, { "binary_version": "2.4.58-1ubuntu8.7", "binary_name": "apache2-dev" }, { "binary_version": "2.4.58-1ubuntu8.7", "binary_name": "apache2-doc" }, { "binary_version": "2.4.58-1ubuntu8.7", "binary_name": "apache2-ssl-dev" }, { "binary_version": "2.4.58-1ubuntu8.7", "binary_name": "apache2-suexec-custom" }, { "binary_version": "2.4.58-1ubuntu8.7", "binary_name": "apache2-suexec-custom-dbgsym" }, { "binary_version": "2.4.58-1ubuntu8.7", "binary_name": "apache2-suexec-pristine" }, { "binary_version": "2.4.58-1ubuntu8.7", "binary_name": "apache2-suexec-pristine-dbgsym" }, { "binary_version": "2.4.58-1ubuntu8.7", "binary_name": "apache2-utils" }, { "binary_version": "2.4.58-1ubuntu8.7", "binary_name": "apache2-utils-dbgsym" }, { "binary_version": "2.4.58-1ubuntu8.7", "binary_name": "libapache2-mod-md" }, { "binary_version": "2.4.58-1ubuntu8.7", "binary_name": "libapache2-mod-proxy-uwsgi" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "2.4.63-1ubuntu1.1", "binary_name": "apache2" }, { "binary_version": "2.4.63-1ubuntu1.1", "binary_name": "apache2-bin" }, { "binary_version": "2.4.63-1ubuntu1.1", "binary_name": "apache2-bin-dbgsym" }, { "binary_version": "2.4.63-1ubuntu1.1", "binary_name": "apache2-data" }, { "binary_version": "2.4.63-1ubuntu1.1", "binary_name": "apache2-dev" }, { "binary_version": "2.4.63-1ubuntu1.1", "binary_name": "apache2-doc" }, { "binary_version": "2.4.63-1ubuntu1.1", "binary_name": "apache2-ssl-dev" }, { "binary_version": "2.4.63-1ubuntu1.1", "binary_name": "apache2-suexec-custom" }, { "binary_version": "2.4.63-1ubuntu1.1", "binary_name": "apache2-suexec-custom-dbgsym" }, { "binary_version": "2.4.63-1ubuntu1.1", "binary_name": "apache2-suexec-pristine" }, { "binary_version": "2.4.63-1ubuntu1.1", "binary_name": "apache2-suexec-pristine-dbgsym" }, { "binary_version": "2.4.63-1ubuntu1.1", "binary_name": "apache2-utils" }, { "binary_version": "2.4.63-1ubuntu1.1", "binary_name": "apache2-utils-dbgsym" } ] }