CVE-2019-16554 Missing permission check in Jenkins Build Failure Analyzer Plugin

Medium 4.3 Published 17 Dec 2019 Updated 5 Aug 2024

Attackers with read permissions can trigger expensive regex evaluations, causing denial of service in Jenkins.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2019-16554?

CVE-2019-16554 is a medium-severity missing authorization vulnerability in Jenkins Build Failure Analyzer Plugin, published on 17 Dec 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A missing permission check in Jenkins Build Failure Analyzer Plugin 1.24.1 and earlier allows attackers with Overall/Read permission to have Jenkins evaluate a computationally expensive regular expression.

Weakness: CWE-276

Which versions are affected by CVE-2019-16554?

2 open source packages ship an affected version, including com.sonyericsson.jenkins.plugins.bfa:build-failure-analyzer. It affects 1 product.

Package	Affected	Fixed in
`com.sonyericsson.jenkins.plugins.bfa:build-failure-analyzer` Maven	All versions	`1.24.2`
`com.sonyericsson.jenkins.plugins.bfa:build-failure-analyzer` Maven	All versions	`1.24.2`

Products include Jenkins Build Failure Analyzer.

How do I fix CVE-2019-16554?

Upgrade com.sonyericsson.jenkins.plugins.bfa:build-failure-analyzer to 1.24.2 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2019-16554 being exploited?

There is no known exploitation of CVE-2019-16554 in the wild and no public exploit code.

Sources

Also known as GHSA-x9gc-p2qp-4p7v.