CVE-2020-2228 Improper authorization of users and groups with the same base name in Jenkins GitLab Authentication Plugin
Attackers can escalate privileges due to improper group authorization checks in the Jenkins Gitlab Authentication 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-2020-2228?
CVE-2020-2228 is a high-severity missing authorization vulnerability in Jenkins Gitlab Authentication Plugin, published on 15 Jul 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Jenkins Gitlab Authentication Plugin 1.5 and earlier does not perform group authorization checks properly, resulting in a privilege escalation vulnerability.
Weakness: CWE-863
Which versions are affected by CVE-2020-2228?
2 open source packages ship an affected version, including org.jenkins-ci.plugins:gitlab-oauth. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jenkins-ci.plugins:gitlab-oauth Maven | All versions | 1.6 |
org.jenkins-ci.plugins:gitlab-oauth Maven | All versions | 1.6 |
Products include Jenkins Gitlab Authentication.
How do I fix CVE-2020-2228?
Upgrade org.jenkins-ci.plugins:gitlab-oauth to 1.6 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-2228 being exploited?
There is no known exploitation of CVE-2020-2228 in the wild and no public exploit code.
Other vulnerabilities in Jenkins Gitlab Authentication Plugin
Sources
Also known as GHSA-qq38-mxpq-rrpj.