CVE-2019-1003087 Missing permission check in Jenkins sinatra-chef-builder Plugin

Medium 6.5 Published 4 Apr 2019 Updated 5 Aug 2024

Attackers with read permissions can bypass authorization checks to initiate connections to arbitrary servers via the Chef Sinatra plugin.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-1003087?

CVE-2019-1003087 is a medium-severity missing authorization vulnerability in Jenkins Chef Sinatra Plugin, published on 4 Apr 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 Chef Sinatra Plugin in the ChefBuilderConfiguration.DescriptorImpl#doTestConnection form validation method allows attackers with Overall/Read permission to initiate a connection to an attacker-specified server.

Weakness: CWE-862

Which versions are affected by CVE-2019-1003087?

2 open source packages ship an affected version, including org.jenkins-ci.plugins:sinatra-chef-builder. It affects 1 product.

Package	Affected	Fixed in
`org.jenkins-ci.plugins:sinatra-chef-builder` Maven	All versions to `1.20`	None
`org.jenkins-ci.plugins:sinatra-chef-builder` Maven	All versions to `1.20`	None

Products include Jenkins Chef Sinatra.

How do I fix CVE-2019-1003087?

No fix has been published for CVE-2019-1003087 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2019-1003087 being exploited?

There is no known exploitation of CVE-2019-1003087 in the wild and no public exploit code.

Sources

Also known as GHSA-4mvc-33v7-cqc3.