Multiple vulnerabilities in Jenkins OpenId Connect Authentication plugin

Published: 2024-10-07

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-47806 CVE-2024-47807
CWE-ID	CWE-287
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	OpenId Connect Authentication Web applications / Modules and components for CMS
Vendor	Jenkins

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper Authentication

EUVDB-ID: #VU98067

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-47806

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the affected plugin does not check the aud (Audience) claim of an ID Token during its authentication flow, a value to verify the token is issued for the correct client. A remote attacker can subvert the authentication flow and gain administrator access to Jenkins.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OpenId Connect Authentication: 4.354.v321ce67a_1de8

CPE2.3

External links

http://www.jenkins.io/security/advisory/2024-10-02/#SECURITY-3441%20(1)

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

2) Improper Authentication

EUVDB-ID: #VU98068