CVE-2020-2167 RCE vulnerability in Jenkins OpenShift Pipeline Plugin
Attackers can achieve remote code execution via unsafe YAML deserialization in the Jenkins OpenShift Pipeline Plugin.
- 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-2020-2167?
CVE-2020-2167 is a high-severity unsafe deserialization vulnerability in Jenkins OpenShift Pipeline Plugin, published on 25 Mar 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Jenkins OpenShift Pipeline Plugin 1.0.56 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.
Weakness: CWE-20
Which versions are affected by CVE-2020-2167?
2 open source packages ship an affected version, including com.openshift.jenkins:openshift-pipeline. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
com.openshift.jenkins:openshift-pipeline Maven | All versions | 1.0.57 |
com.openshift.jenkins:openshift-pipeline Maven | All versions | 1.0.57 |
Linux distribution packages (2)
jenkins Red Hat:openshift:3.11::el7 | All versions | 0:2.204.2.1585048146-1.el7 |
jenkins-2-plugins Red Hat:openshift:3.11::el7 | All versions | 0:3.11.1585050035-1.el7 |
Products include Jenkins Openshift Pipeline.
How do I fix CVE-2020-2167?
Upgrade com.openshift.jenkins:openshift-pipeline to 1.0.57 or later.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2020-2167 being exploited?
There is no known exploitation of CVE-2020-2167 in the wild and no public exploit code.
Other vulnerabilities in Jenkins OpenShift Pipeline Plugin
Sources
Also known as GHSA-264w-xrr7-6qqg, RHSA-2020:0964.