CVE-2020-2158 Remote Code Execution vulnerability in Jenkins Literate Plugin
Remote attackers can execute arbitrary code via unsafe YAML deserialization in the Jenkins Literate Plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-2158?
CVE-2020-2158 is a high-severity unsafe deserialization vulnerability in Jenkins Literate Plugin, published on 9 Mar 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Jenkins Literate Plugin 1.0 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.
Weakness: CWE-502
Which versions are affected by CVE-2020-2158?
2 open source packages ship an affected version, including org.jenkins-ci.plugins:literate. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jenkins-ci.plugins:literate Maven | All versions to 1.0 | None |
org.jenkins-ci.plugins:literate Maven | All versions to 1.0 | None |
Products include Jenkins Literate.
How do I fix CVE-2020-2158?
No fix has been published for CVE-2020-2158 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2020-2158 being exploited?
There is no known exploitation of CVE-2020-2158 in the wild and no public exploit code.
Sources
Also known as GHSA-c329-r874-xc7j.