CVE-2020-2117 Missing permission checks in Pipeline GitHub Notify Step Plugin allows capturing credentials
Attackers with read access can exploit missing permission checks to capture stored Jenkins credentials by connecting to attacker-controlled URLs.
- 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-2020-2117?
CVE-2020-2117 is a medium-severity missing authorization vulnerability in Jenkins Pipeline GitHub Notify Step Plugin, published on 12 Feb 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A missing permission check in Jenkins Pipeline GitHub Notify Step Plugin 1.0.4 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.
Weakness: CWE-276
Which versions are affected by CVE-2020-2117?
2 open source packages ship an affected version, including org.jenkins-ci.plugins:pipeline-githubnotify-step. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jenkins-ci.plugins:pipeline-githubnotify-step Maven | All versions | 1.0.5 |
org.jenkins-ci.plugins:pipeline-githubnotify-step Maven | All versions | 1.0.5 |
Products include Jenkins Pipeline Github Notify Step.
How do I fix CVE-2020-2117?
Upgrade org.jenkins-ci.plugins:pipeline-githubnotify-step to 1.0.5 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-2117 being exploited?
There is no known exploitation of CVE-2020-2117 in the wild and no public exploit code.
Other vulnerabilities in Jenkins Pipeline GitHub Notify Step Plugin
Sources
Also known as GHSA-x7rc-5mjg-5pvr.