#VU55643 Use of insufficiently random values in Ansible


Published: 2021-08-08

Vulnerability identifier: #VU55643

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-10729

CWE-ID: CWE-330

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Ansible
Server applications / Remote management servers, RDP, SSH

Vendor: Red Hat Inc.

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to usegae of insufficiently random values in Ansible. Two random password lookups of the same length generate the equal value as the template caching action for the same file since no re-evaluation happens.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Ansible: 2.9.0 - 2.9.5


External links
http://github.com/ansible/ansible/issues/34144
http://bugzilla.redhat.com/show_bug.cgi?id=1831089


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability