Multiple vulnerabilities in Jenkins Consul KV Builder plugin

Published: 2023-04-13

Risk	Low
Patch available	NO
Number of vulnerabilities	2
CVE-ID	CVE-2023-30530 CVE-2023-30531
CWE-ID	CWE-312 CWE-200
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Consul KV Builder Web applications / Modules and components for CMS
Vendor	Jenkins

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cleartext storage of sensitive information

EUVDB-ID: #VU75094

Risk: Low

CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-30530

CWE-ID: CWE-312 - Cleartext Storage of Sensitive Information

Exploit availability: No

Description

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

The vulnerability exists due to the affected plugin stores the HashiCorp Consul ACL Token unencrypted in its global configuration file org.jenkinsci.plugins.consulkv.GlobalConsulConfig.xml on the Jenkins controller as part of its configuration. A remote user can gain access to this token.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Consul KV Builder: 1.0.2 - 2.0.13

CPE2.3

External links

http://www.jenkins.io/security/advisory/2023-04-12/#SECURITY-2944

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.

2) Information disclosure

EUVDB-ID: #VU75098