Information disclosure in Jenkins CloudBees AWS Credentials plugin

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU51597

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21625

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The vulnerability exists due to the affected plugin does not perform a permission check in a helper method for HTTP endpoints. A remote authenticated attacker can enumerate credentials IDs of AWS credentials stored in Jenkins.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CloudBees AWS Credentials: 1.8 - 1.28

External links

http://www.openwall.com/lists/oss-security/2021/03/18/5
http://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2032

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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