CVE-2020-1733

Affected: Red Hat Ansible

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'.

USN-5315-1 — ansible vulnerabilities

Affected: Ubuntu:Pro:16.04:LTS: ansible, Ubuntu:Pro:18.04:LTS: ansible, Ubuntu:Pro:20.04:LTS: ansible, Ubuntu:Pro:22.04:LTS: ansible

It was discovered that Ansible did not properly manage directory permissions when running playbooks with an unprivileged become user. A local attacker could possibly use this issue to cause a race condition, escalate privileges and execute arbitrary code. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-1733)

It was discovered that the fix to address CVE-2020-1733 in Ansible was incomplete on systems using ACLs and FUSE filesystems. A local attacker could possibly use this issue to cause a race condition, escalate privileges and execute arbitrary code. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-10744)

It was discovered that Ansible did not properly manage multi-line YAML strings and special template characters. A local attacker could possibly use this issue to cause a template injection, resulting in the disclosure of sensitive information or other unspecified impact. (CVE-2021-3583)

It was discovered that the ansible-connection module in Ansible did not properly manage certain error messages. A local attacker could possibly use this issue to expose sensitive information. This issue only affected Ubuntu 20.04 ESM and Ubuntu 22.04 ESM. (CVE-2021-3620)

Most recent entries from all

CVE-2020-1733

USN-5315-1 — ansible vulnerabilities