CVE-2015-6240 Ansible Sandbox Escape via Symlink Attack

What is CVE-2015-6240?

CVE-2015-6240 is a high-severity path traversal vulnerability in n/a, published on 7 Jun 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The chroot, jail, and zone connection plugins in ansible before 1.9.2 allow local users to escape a restricted environment via a symlink attack.

Weakness: CWE-59

Which versions are affected by CVE-2015-6240?

3 open source packages ship an affected version, including ansible. It affects 1 product.

Products include Redhat Ansible.

How do I fix CVE-2015-6240?

Upgrade ansible to 1.9.2 or later.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2015-6240 being exploited?

There is no known exploitation of CVE-2015-6240 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2014-4657 Ansible Remote Code Execution Critical 9.8
• CVE-2014-4966 Ansible Arbitrary Code Execution Critical 9.8
• CVE-2014-4967 Ansible Arbitrary Code Execution Critical 9.8
• CVE-2017-7550 Ansible Insertion of Sensitive Information into Log File vulnerability Critical 9.8
• CVE-2014-3498 Ansible Arbitrary Code Execution High 8.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2015-6240, GHSA-wwwh-47wp-m522, PYSEC-2017-3, UBUNTU-CVE-2015-6240.