Information disclosure in Ansible - CVE-2018-16859

 

Information disclosure in Ansible - CVE-2018-16859

Published: December 5, 2018 / Updated: December 6, 2018


Vulnerability identifier: #VU16312
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-16859
CWE-ID: CWE-200
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 attacker with administrative privileges to obtain potentially sensitive information.

The vulnerability exists due to the plaintext exposure of “become” passwords when Ansible playbooks are executed on a Windows system with PowerShell scriptblock logging and module logging. A local attacker can discover the plaintext password that can be used to conduct further attacks.


How to mitigate CVE-2018-16859

The vulnerability has been fixed in the versions 2.5.13, 2.6.10, 2.7.4.

Sources