CVE-2019-1003050 Improper Neutralization of Input During Web Page Generation in Jenkins
Attackers with job name control can inject scripts via Jenkins UI form controls, potentially leading to session hijacking or code execution.
- 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-2019-1003050?
CVE-2019-1003050 is a medium-severity cross-site scripting vulnerability in Jenkins Jenkins, published on 10 Apr 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
The f:validateButton form control for the Jenkins UI did not properly escape job URLs in Jenkins 2.171 and earlier and Jenkins LTS 2.164.1 and earlier, resulting in a cross-site scripting (XSS) vulnerability exploitable by users with the ability to control job names.
Weakness: CWE-79
Which versions are affected by CVE-2019-1003050?
4 open source packages ship an affected version, including org.jenkins-ci.main:jenkins-core. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
org.jenkins-ci.main:jenkins-core Maven | All versions | 2.164.2 |
org.jenkins-ci.main:jenkins-core Maven | All versions | 2.164.2 |
org.jenkins-ci.main:jenkins-core Maven | From 2.165 | 2.172 |
org.jenkins-ci.main:jenkins-core Maven | From 2.165 | 2.172 |
Products include Jenkins Jenkins, Oracle Communications Cloud Native Core Automated Test Suite, Redhat Openshift Container Platform.
How do I fix CVE-2019-1003050?
Upgrade org.jenkins-ci.main:jenkins-core to a fixed version for your release line: 2.164.2 or 2.172.
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-2019-1003050 being exploited?
There is no known exploitation of CVE-2019-1003050 in the wild and no public exploit code.
Other vulnerabilities in Jenkins Jenkins
- CVE-2024-23897 Jenkins Command Line Interface (CLI) Path Traversal
- CVE-2018-1000861 Jenkins Stapler Web Framework Deserialization of Untrusted Data
- CVE-2017-1000353 Jenkins Remote Code Execution
- CVE-2015-5317 Jenkins User Interface (UI) Information Disclosure
- CVE-2021-21690 Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins
Sources
Also known as GHSA-qpg9-83fv-x9ch.