#VU50429 Inclusion of Sensitive Information in Log Files in Ansible - CVE-2021-20180

Vulnerability identifier: #VU50429

Vulnerability 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-2021-20180

CWE-ID: CWE-532

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 the bitbucket_pipeline_variable module in ansible-collection discloses by default credentials in the console log. A local user can obtain bitbucket_pipeline credentials.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Ansible: 2.10.0b1 - 2.10.5

---

External links
https://security.archlinux.org/advisory/ASA-202102-9
https://bugzilla.redhat.com/show_bug.cgi?id=1915808
https://github.com/ansible-collections/community.general/pull/1635
https://github.com/ansible-collections/community.general/commit/a3f08377b2000f8e179e361bcfef4afec18ba1e5

---

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.