CVE-2020-1733

A race condition flaw was found in Ansible Engine 2.7.17 and prior, 2.8.9 and prior, 2.9.6 and prior when running a playbook with an unprivileged become user. When Ansible needs to run a module with become user, the temporary directory is created in /var/tmp. This directory is created with "umask 77 && mkdir -p <dir>"; this operation does not fail if the directory already exists and is owned by another user. An attacker could take advantage to gain control of the become user as the target directory can be retrieved by iterating '/proc/<pid>/cmdline'.

• redhat ansible (<= 2.7.16) • redhat ansible (>= 2.8.0 < 2.8.8) • redhat ansible (>= 2.9.0 <= 2.9.5) • redhat ansible tower (<= 3.3.4) • redhat ansible tower (>= 3.3.5 <= 3.4.5) • redhat ansible tower (>= 3.5.0 <= 3.5.5) • redhat ansible tower (>= 3.6.0 <= 3.6.3) • redhat cloudforms management engine 5.0 • redhat openstack 13 • fedoraproject fedora 30 • fedoraproject fedora 31 • fedoraproject fedora 32 • debian debian linux 8.0 • debian debian linux 10.0