CVE-2019-10354 Missing Authorization in Jenkins

Medium 4.3 Published Updated

Attackers can bypass permission checks to access view fragments directly, potentially obtaining sensitive information from Jenkins.

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-2019-10354?

CVE-2019-10354 is a medium-severity missing authorization vulnerability in Jenkins Jenkins, published on 17 Jul 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in the Stapler web framework used in Jenkins 2.185 and earlier, LTS 2.176.1 and earlier allowed attackers to access view fragments directly, bypassing permission checks and possibly obtain sensitive information.

Weakness: CWE-862

Which versions are affected by CVE-2019-10354?

6 open source packages ship an affected version, including org.jenkins-ci.main:jenkins-core and org.kohsuke.stapler:stapler-parent. It affects 2 products.

PackageAffectedFixed in
org.jenkins-ci.main:jenkins-core MavenAll versions2.176.2
org.jenkins-ci.main:jenkins-core MavenAll versions2.176.2
org.jenkins-ci.main:jenkins-core MavenFrom 2.1772.186
org.jenkins-ci.main:jenkins-core MavenFrom 2.1772.186
org.kohsuke.stapler:stapler-parent MavenAll versions1.257.1
org.kohsuke.stapler:stapler-parent MavenAll versions1.257.1

Products include Jenkins Jenkins, Redhat Openshift Container Platform.

How do I fix CVE-2019-10354?

Upgrade org.jenkins-ci.main:jenkins-core to a fixed version for your release line: 2.176.2 or 2.186.

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

Is CVE-2019-10354 being exploited?

There is no known exploitation of CVE-2019-10354 in the wild and no public exploit code.

All Jenkins Jenkins vulnerabilities

Sources

Also known as GHSA-6jfc-mc97-c7wg.

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