CVE-2023-35141 Jenkins CSRF protection bypass vulnerability

High 8.0 Published Updated

Attackers can trick victims into sending POST requests to unexpected endpoints via context menus, bypassing CSRF protections in Jenkins.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2023-35141?

CVE-2023-35141 is a high-severity vulnerability in Jenkins Jenkins, published on 14 Jun 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

In Jenkins 2.399 and earlier, LTS 2.387.3 and earlier, POST requests are sent in order to load the list of context actions. If part of the URL includes insufficiently escaped user-provided values, a victim may be tricked into sending a POST request to an unexpected endpoint by opening a context menu.

Weakness: CWE-352

Which versions are affected by CVE-2023-35141?

3 open source packages ship an affected version, including org.jenkins-ci.main:jenkins-core and jenkins. It affects 1 product.

PackageAffectedFixed in
org.jenkins-ci.main:jenkins-core MavenAll versions2.400
org.jenkins-ci.main:jenkins-core MavenAll versions2.400
jenkins BitnamiAll versions2.401.1

Products include Jenkins Jenkins.

How do I fix CVE-2023-35141?

Upgrade org.jenkins-ci.main:jenkins-core to 2.400 or later.

Is CVE-2023-35141 being exploited?

There is no known exploitation of CVE-2023-35141 in the wild and no public exploit code.

All Jenkins Jenkins vulnerabilities

Sources

Also known as BIT-jenkins-2023-35141, GHSA-98fp-r22g-wpj7.

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