CVE-2019-1003044 Jenkins Slack Notification Plugin CSRF vulnerability and missing permission checks

High 7.1 Published Updated

Attackers can exploit CSRF to connect to malicious URLs using stolen credentials, capturing sensitive data stored 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-2019-1003044?

CVE-2019-1003044 is a high-severity vulnerability in Jenkins Slack Notification Plugin, published on 28 Mar 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A cross-site request forgery vulnerability in Jenkins Slack Notification Plugin 2.19 and earlier allows attackers to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

Weakness: CWE-352

Which versions are affected by CVE-2019-1003044?

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

PackageAffectedFixed in
org.jenkins-ci.plugins:slack MavenAll versions2.20
org.jenkins-ci.plugins:slack MavenAll versions2.20

Products include Jenkins Slack Notification.

How do I fix CVE-2019-1003044?

Upgrade org.jenkins-ci.plugins:slack to 2.20 or later.

Is CVE-2019-1003044 being exploited?

There is no known exploitation of CVE-2019-1003044 in the wild and no public exploit code.

Sources

Also known as GHSA-5r8q-9fwv-2gpr.

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