CVE-2017-1000103 Persistent XSS vulnerability in Jenkins DRY Plugin

Medium 5.4 Published Updated

Attackers can inject arbitrary HTML into the Static Analysis Utilities DRY Plugin's Details view, potentially executing scripts in victim browsers.

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-2017-1000103?

CVE-2017-1000103 is a medium-severity cross-site scripting vulnerability in n/a, published on 4 Oct 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

The custom Details view of the Static Analysis Utilities based DRY Plugin, was vulnerable to a persisted cross-site scripting vulnerability: Malicious users able to influence the input to this plugin could insert arbitrary HTML into this view.

Weakness: CWE-79

Which versions are affected by CVE-2017-1000103?

2 open source packages ship an affected version, including org.jvnet.hudson.plugins:dry. It affects 1 product.

PackageAffectedFixed in
org.jvnet.hudson.plugins:dry MavenAll versions2.49
org.jvnet.hudson.plugins:dry MavenAll versions2.49

Products include Jenkins Dry.

How do I fix CVE-2017-1000103?

Upgrade org.jvnet.hudson.plugins:dry to 2.49 or later.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2017-1000103 being exploited?

There is no known exploitation of CVE-2017-1000103 in the wild and no public exploit code.

Sources

Also known as GHSA-63cj-3r94-234v.

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