In Sudo before 1.8.28, an attacker with access to a Runas ALL sudoer account can bypass certain policy blacklists and session PAM modules, and can cause incorrect logging, by invoking sudo with a crafted user ID. For example, this allows bypass of !root configuration, and USER= logging, for a "sudo -u #$((0xffffffff))" command.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_name": "sudo", "binary_version": "1.8.9p5-1ubuntu1.5+esm2" }, { "binary_name": "sudo-dbgsym", "binary_version": "1.8.9p5-1ubuntu1.5+esm2" }, { "binary_name": "sudo-ldap", "binary_version": "1.8.9p5-1ubuntu1.5+esm2" }, { "binary_name": "sudo-ldap-dbgsym", "binary_version": "1.8.9p5-1ubuntu1.5+esm2" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_name": "sudo", "binary_version": "1.8.16-0ubuntu1.8" }, { "binary_name": "sudo-dbgsym", "binary_version": "1.8.16-0ubuntu1.8" }, { "binary_name": "sudo-ldap", "binary_version": "1.8.16-0ubuntu1.8" }, { "binary_name": "sudo-ldap-dbgsym", "binary_version": "1.8.16-0ubuntu1.8" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_name": "sudo", "binary_version": "1.8.21p2-3ubuntu1.1" }, { "binary_name": "sudo-dbgsym", "binary_version": "1.8.21p2-3ubuntu1.1" }, { "binary_name": "sudo-ldap", "binary_version": "1.8.21p2-3ubuntu1.1" }, { "binary_name": "sudo-ldap-dbgsym", "binary_version": "1.8.21p2-3ubuntu1.1" } ] }