CVE-2018-1999003 Incorrect Authorization in Jenkins

Medium 4.3 Published Updated

Attackers with read permissions can cancel queued builds in Jenkins due to improper authorization checks in the queue management logic.

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-2018-1999003?

CVE-2018-1999003 is a medium-severity missing authorization vulnerability in Jenkins Jenkins, published on 23 Jul 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A Improper authorization vulnerability exists in Jenkins 2.132 and earlier, 2.121.1 and earlier in Queue.java that allows attackers with Overall/Read permission to cancel queued builds.

Weakness: CWE-863

Which versions are affected by CVE-2018-1999003?

4 open source packages ship an affected version, including org.jenkins-ci.main:jenkins-core. It affects 2 products.

PackageAffectedFixed in
org.jenkins-ci.main:jenkins-core MavenAll versions2.121.2
org.jenkins-ci.main:jenkins-core MavenAll versions2.121.2
org.jenkins-ci.main:jenkins-core MavenFrom 2.1222.133
org.jenkins-ci.main:jenkins-core MavenFrom 2.1222.133

Products include Jenkins Jenkins, Oracle Communications Cloud Native Core Automated Test Suite.

How do I fix CVE-2018-1999003?

Upgrade org.jenkins-ci.main:jenkins-core to a fixed version for your release line: 2.121.2 or 2.133.

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

Is CVE-2018-1999003 being exploited?

There is no known exploitation of CVE-2018-1999003 in the wild and no public exploit code.

All Jenkins Jenkins vulnerabilities

Sources

Also known as GHSA-p265-xr98-3vmr.

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