#VU80945 Improper access control in Build Failure Analyzer - CVE-2023-43501

Vulnerability identifier: #VU80945

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-43501

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Build Failure Analyzer
Web applications / Modules and components for CMS

Vendor: Jenkins

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the affected plugin does not perform a permission check in a connection test HTTP endpoint. A remote user can connect to an attacker-specified hostname and port using attacker-specified username and password.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Build Failure Analyzer: 1.2.0 - 2.27.0

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External links
https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3226
https://www.openwall.com/lists/oss-security/2023/09/20/5

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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.