Security restrictions bypass in ansible-runner - CVE-2021-4112
Published: February 8, 2022
Vulnerability identifier: #VU60371
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-4112
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to job isolation escape in default installation. A remote user can elevate privileges to the awx user from outside the isolated environment.
Affected software
ansible-runner
Ansible Automation Platform
ansible-runner (Red Hat package)
Ansible Tower
IBM Edge Application Manager
Ansible Automation Platform
ansible-runner (Red Hat package)
Ansible Tower
IBM Edge Application Manager
How to mitigate CVE-2021-4112
Install updates from vendor's website.
Ansible Automation Platform - update to 2.1
ansible-runner (Red Hat package) - addressed in versions 2.0.3-3.el8ap, 2.1.1-2.el8ap
ansible-runner (Red Hat package) - addressed in versions 2.0.3-3.el8ap, 2.1.1-2.el8ap