CVE-2019-16561 SSL/TLS certificate validation globally and unconditionally disabled by Jenkins WebSphere Deployer Plugin
Users with Overall/Read access can disable SSL/TLS validation for the entire Jenkins master JVM, bypassing security controls.
- 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-2019-16561?
CVE-2019-16561 is a high-severity vulnerability in Jenkins WebSphere Deployer Plugin, published on 17 Dec 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Jenkins WebSphere Deployer Plugin 1.6.1 and earlier allows users with Overall/Read access to disable SSL/TLS certificate and hostname validation for the entire Jenkins master JVM.
Weakness: CWE-295
Which versions are affected by CVE-2019-16561?
2 open source packages ship an affected version, including org.jenkins-ci.plugins:websphere-deployer. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jenkins-ci.plugins:websphere-deployer Maven | All versions to 1.6.1 | None |
org.jenkins-ci.plugins:websphere-deployer Maven | All versions to 1.6.1 | None |
Products include Jenkins Websphere Deployer.
How do I fix CVE-2019-16561?
No fix has been published for CVE-2019-16561 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-16561 being exploited?
There is no known exploitation of CVE-2019-16561 in the wild and no public exploit code.
Other vulnerabilities in Jenkins WebSphere Deployer Plugin
- CVE-2019-16560 Cross-site request forgery vulnerability in Jenkins WebSphere Deployer Plugin
- CVE-2019-1003056 Jenkins WebSphere Deployer Plugin stores credentials in plain text
- CVE-2020-2108 XXE vulnerability in Jenkins WebSphere Deployer Plugin
- CVE-2019-16559 Jenkins WebSphere Deployer Plugin missing permission check
Sources
Also known as GHSA-46rr-87h4-f5q6.