Improper Verification of Cryptographic Signature in Ansible - CVE-2020-14365

 

Improper Verification of Cryptographic Signature in Ansible - CVE-2020-14365

Published: September 23, 2020 / Updated: October 2, 2020


Vulnerability identifier: #VU47274
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-14365
CWE-ID: CWE-347
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Red Hat Inc.
Affected software:
Ansible

Detailed vulnerability description

The vulnerability allows a local authenticated user to #BASIC_IMPACT#.

A flaw was found in the Ansible Engine, in ansible-engine 2.8.x before 2.8.15 and ansible-engine 2.9.x before 2.9.13, when installing packages using the dnf module. GPG signatures are ignored during installation even when disable_gpg_check is set to False, which is the default behavior. This flaw leads to malicious packages being installed on the system and arbitrary code executed via package installation scripts. The highest threat from this vulnerability is to integrity and system availability.


How to mitigate CVE-2020-14365

Install update from vendor's website.

Sources