CVE-2019-16552 Missing permission check in Jenkins Gerrit Trigger Plugin

Medium 5.4 Published 17 Dec 2019 Updated 5 Aug 2024

Attackers with read access can connect to arbitrary servers or detect file existence due to missing permission checks in the Jenkins Gerrit Trigger Plugin.

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-2019-16552?

CVE-2019-16552 is a medium-severity missing authorization vulnerability in Jenkins Gerrit Trigger 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 Gerrit Trigger Plugin 2.30.1 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified HTTP URL or SSH server using attacker-specified credentials, or determine the existence of a file with a given path on the Jenkins master.

Weakness: CWE-276

Which versions are affected by CVE-2019-16552?

2 open source packages ship an affected version, including com.sonyericsson.hudson.plugins.gerrit:gerrit-trigger. It affects 1 product.

Package	Affected	Fixed in
`com.sonyericsson.hudson.plugins.gerrit:gerrit-trigger` Maven	All versions	`2.30.2`
`com.sonyericsson.hudson.plugins.gerrit:gerrit-trigger` Maven	All versions	`2.30.2`

Products include Jenkins Gerrit Trigger.

How do I fix CVE-2019-16552?

Upgrade com.sonyericsson.hudson.plugins.gerrit:gerrit-trigger to 2.30.2 or later.

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

Is CVE-2019-16552 being exploited?

There is no known exploitation of CVE-2019-16552 in the wild and no public exploit code.

Sources

Also known as GHSA-4r39-f4rh-j6q8.