Information disclosure in Ansible

1) Inclusion of Sensitive Information in Log Files

EUVDB-ID: #VU50936

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-20191

CWE-ID: CWE-532 - Information Exposure Through Log Files

Exploit availability: No

Description

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

The vulnerability exists due to software stores sensitive information into log files. A local user can read the log files and gain access to sensitive data.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Ansible: 2.8.0 rc1 - 2.10.5

CPE2.3

• cpe:2.3:a:red_hat:ansible:2.8.18:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:ansible:2.9.17:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:ansible:2.10.5:*:*:*:*:*:*:*

External links

https://bugzilla.redhat.com/show_bug.cgi?id=1916813
https://github.com/ansible-collections/cisco.nxos/pull/227

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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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