In Apache HTTP Server 2.4 release 2.4.38 and prior, a race condition in modauthdigest when running in a threaded server could allow a user with valid credentials to authenticate using another username, bypassing configured access control restrictions.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "apache2-suexec": "2.4.7-1ubuntu4.22", "apache2-suexec-pristine-dbgsym": "2.4.7-1ubuntu4.22", "libapache2-mod-proxy-html": "1:2.4.7-1ubuntu4.22", "apache2-dev": "2.4.7-1ubuntu4.22", "apache2-bin": "2.4.7-1ubuntu4.22", "apache2-suexec-custom": "2.4.7-1ubuntu4.22", "apache2-suexec-pristine": "2.4.7-1ubuntu4.22", "apache2-doc": "2.4.7-1ubuntu4.22", "apache2-mpm-event": "2.4.7-1ubuntu4.22", "apache2": "2.4.7-1ubuntu4.22", "apache2-dbg": "2.4.7-1ubuntu4.22", "apache2-utils-dbgsym": "2.4.7-1ubuntu4.22", "apache2-data": "2.4.7-1ubuntu4.22", "apache2-mpm-prefork": "2.4.7-1ubuntu4.22", "apache2-mpm-itk": "2.4.7-1ubuntu4.22", "libapache2-mod-macro": "1:2.4.7-1ubuntu4.22", "apache2-suexec-custom-dbgsym": "2.4.7-1ubuntu4.22", "apache2.2-bin": "2.4.7-1ubuntu4.22", "apache2-bin-dbgsym": "2.4.7-1ubuntu4.22", "apache2-utils": "2.4.7-1ubuntu4.22", "apache2-mpm-worker": "2.4.7-1ubuntu4.22" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "apache2-suexec-pristine-dbgsym": "2.4.18-2ubuntu3.10", "apache2-dev": "2.4.18-2ubuntu3.10", "apache2-bin": "2.4.18-2ubuntu3.10", "apache2-suexec-pristine": "2.4.18-2ubuntu3.10", "apache2-doc": "2.4.18-2ubuntu3.10", "apache2": "2.4.18-2ubuntu3.10", "apache2-dev-dbgsym": "2.4.18-2ubuntu3.10", "apache2-dbg": "2.4.18-2ubuntu3.10", "apache2-utils-dbgsym": "2.4.18-2ubuntu3.10", "apache2-data": "2.4.18-2ubuntu3.10", "apache2-dbgsym": "2.4.18-2ubuntu3.10", "apache2-suexec-custom-dbgsym": "2.4.18-2ubuntu3.10", "apache2-bin-dbgsym": "2.4.18-2ubuntu3.10", "apache2-utils": "2.4.18-2ubuntu3.10", "apache2-suexec-custom": "2.4.18-2ubuntu3.10" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "apache2-ssl-dev": "2.4.29-1ubuntu4.6", "apache2-dbg": "2.4.29-1ubuntu4.6", "apache2-dev": "2.4.29-1ubuntu4.6", "apache2-bin": "2.4.29-1ubuntu4.6", "apache2-data": "2.4.29-1ubuntu4.6", "apache2-suexec-pristine": "2.4.29-1ubuntu4.6", "apache2-doc": "2.4.29-1ubuntu4.6", "apache2": "2.4.29-1ubuntu4.6", "apache2-utils": "2.4.29-1ubuntu4.6", "apache2-suexec-custom": "2.4.29-1ubuntu4.6" } ] }