CVE-2014-4657 Ansible Remote Code Execution

What is CVE-2014-4657?

CVE-2014-4657 is a critical code injection vulnerability in n/a, published on 20 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The safe_eval function in Ansible before 1.5.4 does not properly restrict the code subset, which allows remote attackers to execute arbitrary code via crafted instructions.

Weakness: CWE-20

Which versions are affected by CVE-2014-4657?

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

Products include Redhat Ansible.

How do I fix CVE-2014-4657?

Upgrade ansible to 1.5.4 or later.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2014-4657 being exploited?

There is no known exploitation of CVE-2014-4657 in the wild and no public exploit code.

Other vulnerabilities in n/a

• 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
• CVE-2017-7466 Ansible Arbitrary Code Execution High 8.0

Sources

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

Also known as DEBIAN-CVE-2014-4657, GHSA-qg47-5px9-32g7, PYSEC-2020-199.