CVE-2018-1000603 CSRF vulnerability and missing permission checks in Openstack Cloud Plugin allowed capturing credentials
Attackers with read access can force Jenkins to make requests to attacker-controlled URLs, potentially capturing stored credentials.
- 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-2018-1000603?
CVE-2018-1000603 is a high-severity server-side request forgery vulnerability in n/a, published on 26 Jun 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A exposure of sensitive information vulnerability exists in Jenkins Openstack Cloud Plugin 2.35 and earlier in BootSource.java, InstancesToRun.java, JCloudsCleanupThread.java, JCloudsCloud.java, JCloudsComputer.java, JCloudsPreCreationThread.java, JCloudsRetentionStrategy.java, JCloudsSlave.java, JCloudsSlaveTemplate.java, LauncherFactory.java, OpenstackCredentials.java, OpenStackMachineStep.java, SlaveOptions.java, SlaveOptionsDescriptor.java that allows attackers with Overall/Read access to Jenkins to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins, and to cause Jenkins to submit HTTP requests to attacker-specified URLs.
Weakness: CWE-200
Which versions are affected by CVE-2018-1000603?
2 open source packages ship an affected version, including org.jenkins-ci.plugins:openstack-cloud. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jenkins-ci.plugins:openstack-cloud Maven | All versions | 2.37 |
org.jenkins-ci.plugins:openstack-cloud Maven | All versions | 2.37 |
Products include Jenkins Openstack Cloud.
How do I fix CVE-2018-1000603?
Upgrade org.jenkins-ci.plugins:openstack-cloud to 2.37 or later.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2018-1000603 being exploited?
There is no known exploitation of CVE-2018-1000603 in the wild and no public exploit code.
Sources
Also known as GHSA-grf8-94q5-4phx.