An exploitable vulnerability exists in the yaml loading functionality of ansible-vault before 1.0.5. A specially crafted vault can execute arbitrary python commands resulting in command execution. An attacker can insert python into the vault to trigger this vulnerability.
www.securityfocus.com/bid/100824
github.com/advisories/GHSA-c2w9-48qc-qpj4
github.com/tomoh1r/ansible-vault
github.com/tomoh1r/ansible-vault/blob/v1.0.5/CHANGES.txt
github.com/tomoh1r/ansible-vault/commit/3f8f659ef443ab870bb19f95d43543470168ae04
github.com/tomoh1r/ansible-vault/issues/4
nvd.nist.gov/vuln/detail/CVE-2017-2809
www.talosintelligence.com/vulnerability_reports/TALOS-2017-0305