Information disclosure in Jenkins Role-based Authorization Strategy plugin

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU51596

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21624

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 correctly perform permission checks to determine whether an item should be accessible. A remote authenticated attacker can gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Role-based Authorization Strategy: 1.0 - 3.1

External links

http://www.openwall.com/lists/oss-security/2021/03/18/5
http://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2182

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.