Information disclosure in Red Hat Ansible



Published: 2021-10-19
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3620
CWE-ID CWE-209
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Ansible
Server applications / Remote management servers, RDP, SSH

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information Exposure Through an Error Message

EUVDB-ID: #VU57422

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3620

CWE-ID: CWE-209 - Information Exposure Through an Error Message

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists in the Ansible Engine's ansible-connection module. The Ansible user credentials is disclosed by default in the traceback error message. A remote attacker with ability to intercept traffic can obtain user's credentials.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Ansible: 2.9.0, 2.9.0 rc1, 2.9.0 rc2, 2.9.0 rc3, 2.9.0 rc4, 2.9.0 rc5, 2.9.0b1, 2.9.1, 2.9.2, 2.9.3, 2.9.4, 2.9.5, 2.9.6, 2.9.7, 2.9.8, 2.9.9, 2.9.10, 2.9.11, 2.9.12, 2.9.13, 2.9.14, 2.9.15, 2.9.16, 2.9.17, 2.9.18, 2.9.19, 2.9.20, 2.9.21, 2.9.22, 2.9.23, 2.9.24, 2.9.25, 2.9.26

CPE2.3 External links

http://access.redhat.com/errata/RHSA-2021:3871
http://bugzilla.redhat.com/show_bug.cgi?id=1975767
http://github.com/ansible/ansible/blob/v2.9.27/changelogs/CHANGELOG-v2.9.rst

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

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.

Is there known malware, which exploits this vulnerability?

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



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