CVE-2019-10301 Jenkins GitLab Plugin missing permission checks

High 8.8 Published 18 Apr 2019 Updated 4 Aug 2024

Attackers with read permissions can bypass authorization to connect to malicious URLs and capture stored Jenkins credentials via the GitLab 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-2019-10301?

CVE-2019-10301 is a high-severity missing authorization vulnerability in Jenkins GitLab Plugin, published on 18 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 GitLab Plugin 1.5.11 and earlier in the GitLabConnectionConfig#doTestConnection form validation method allowed attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

Weakness: CWE-862

Which versions are affected by CVE-2019-10301?

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

Package	Affected	Fixed in
`org.jenkins-ci.plugins:gitlab-plugin` Maven	All versions	`1.5.12`
`org.jenkins-ci.plugins:gitlab-plugin` Maven	All versions	`1.5.12`

Products include Jenkins Gitlab.

How do I fix CVE-2019-10301?

Upgrade org.jenkins-ci.plugins:gitlab-plugin to 1.5.12 or later.

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

Is CVE-2019-10301 being exploited?

There is no known exploitation of CVE-2019-10301 in the wild and no public exploit code.

Sources

Also known as GHSA-923w-9p3x-hmgw.