CVE-2018-1000009 XXE vulnerability in Jenkins Checkstyle Plugin
Attackers with Jenkins user permissions can exploit XML parsing flaws to extract secrets, perform SSRF, or cause denial of service.
- 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-2018-1000009?
CVE-2018-1000009 is a high-severity vulnerability in n/a, published on 23 Jan 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Jenkins Checkstyle Plugin 3.49 and earlier processes XML external entities in files it parses as part of the build process, allowing attackers with user permissions in Jenkins to extract secrets from the Jenkins master, perform server-side request forgery, or denial-of-service attacks.
Weakness: CWE-611
Which versions are affected by CVE-2018-1000009?
2 open source packages ship an affected version, including org.jvnet.hudson.plugins:checkstyle. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jvnet.hudson.plugins:checkstyle Maven | All versions | 3.50 |
org.jvnet.hudson.plugins:checkstyle Maven | All versions | 3.50 |
Products include Jenkins Checkstyle.
How do I fix CVE-2018-1000009?
Upgrade org.jvnet.hudson.plugins:checkstyle to 3.50 or later.
Is CVE-2018-1000009 being exploited?
There is no known exploitation of CVE-2018-1000009 in the wild and no public exploit code.
Sources
Also known as GHSA-jfj9-7j5w-6xgx.