CVE-2017-8445 Security feature bypass in Elastic X-Pack Security
A failure in TLS trust manager reloading allows any node with any certificate to join a cluster, bypassing security controls.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-8445?
CVE-2017-8445 is a medium-severity vulnerability in Elastic X-Pack Security, published on 18 Aug 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An error was found in the X-Pack Security TLS trust manager for versions 5.0.0 to 5.5.1. If reloading the trust material fails the trust manager will be replaced with an instance that trusts all certificates. This could allow any node using any certificate to join a cluster. The proper behavior in this instance is for the TLS trust manager to deny all certificates.
Weakness: CWE-295
Which versions are affected by CVE-2017-8445?
It affects 1 product.
Products include Elastic X-Pack.
How do I fix CVE-2017-8445?
No fix has been published for CVE-2017-8445 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-8445 being exploited?
There is no known exploitation of CVE-2017-8445 in the wild and no public exploit code.
Other vulnerabilities in Elastic X-Pack Security
Sources
Also known as GHSA-fx8w-2fv7-5cq2.