CVE-2020-2278 Arbitrary file write vulnerability in Jenkins Storable Configs Plugin
Attackers with Job/Configure permission can replace arbitrary XML files on the Jenkins controller due to unrestricted file name specification.
- 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-2020-2278?
CVE-2020-2278 is a medium-severity path traversal vulnerability in Jenkins Storable Configs Plugin, published on 16 Sep 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Jenkins Storable Configs Plugin 1.0 and earlier does not restrict the user-specified file name, allowing attackers with Job/Configure permission to replace any other '.xml' file on the Jenkins controller with a job config.xml file's content.
Weakness: CWE-22
Which versions are affected by CVE-2020-2278?
2 open source packages ship an affected version, including org.jvnet.hudson.plugins:storable-configs-plugin. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jvnet.hudson.plugins:storable-configs-plugin Maven | All versions to 1.0 | None |
org.jvnet.hudson.plugins:storable-configs-plugin Maven | All versions to 1.0 | None |
Products include Jenkins Storable Configs.
How do I fix CVE-2020-2278?
No fix has been published for CVE-2020-2278 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-2278 being exploited?
There is no known exploitation of CVE-2020-2278 in the wild and no public exploit code.
Other vulnerabilities in Jenkins Storable Configs Plugin
Sources
Also known as GHSA-qv6q-4jwx-7j5c.