Vulnerability identifier: #VU23671

Vulnerability risk: Low

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

CVE-ID: CVE-2019-16554

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 user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the affected plugin does not perform a permission check in a method performing form validation. A remote authenticated user with Overall/Read access can have Jenkins evaluate a computationally expensive regular expression.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Build Failure Analyzer: 1.2.0 - 1.24.1

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External links
http://jenkins.io/security/advisory/2019-12-17/#SECURITY-1651

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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.