CVE-2019-1003099 Jenkins openid Plugin missing permission check

Medium 6.5 Published 4 Apr 2019 Updated 5 Aug 2024

Attackers with Read permission can bypass authorization checks to initiate connections to arbitrary servers via the OpenID plugin validation method.

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-2019-1003099?

CVE-2019-1003099 is a medium-severity missing authorization vulnerability in Jenkins openid 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 openid Plugin in the OpenIdSsoSecurityRealm.DescriptorImpl#doValidate 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-2019-1003099?

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

Package	Affected	Fixed in
`org.jenkins-ci.plugins:openid` Maven	All versions	`2.4`
`org.jenkins-ci.plugins:openid` Maven	All versions	`2.4`

Products include Jenkins Openid.

How do I fix CVE-2019-1003099?

Upgrade org.jenkins-ci.plugins:openid to 2.4 or later.

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

Is CVE-2019-1003099 being exploited?

There is no known exploitation of CVE-2019-1003099 in the wild and no public exploit code.

Sources

Also known as GHSA-3f3p-qhfv-7p8h.