The safe_eval function in Ansible before 1.6.4 does not properly restrict the code subset, which allows remote attackers to execute arbitrary code via crafted instructions. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-4657.
https://www.openwall.com/lists/oss-security/2014/07/02/2
https://www.openwall.com/lists/oss-security/2014/06/26/30
https://security-tracker.debian.org/tracker/CVE-2014-4678
https://groups.google.com/forum/message/raw?msg=ansible-announce/ieV1vZvcTXU/5Q93ThkY9rIJ
https://github.com/ansible/ansible/commit/5429b85b9f6c2e640074176f36ff05fd5e4d1916
Published: 2020-02-20
Updated: 2020-02-25
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
Base Score: 9.3
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Severity: Critical