GHSA-m86m-5m44-pc93 Denial of Service in grpc-ts-health-check
Attackers can set the service health status to failing via an exposed API, causing Kubernetes to block traffic and resulting in a Denial of Service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is GHSA-m86m-5m44-pc93?
GHSA-m86m-5m44-pc93 is a denial of service vulnerability in grpc-ts-health-check, published on 3 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Versions of grpc-ts-health-check prior to 2.0.0 are vulnerable to Denial of Service. The package exposes an API endpoint that may allow attackers to set the service's health status to failing. This can lead to Denial of Service as Kubernetes blocks traffic to services with a failing status.
Recommendation
Upgrade to version 2.0.0 or later.
Which versions are affected by GHSA-m86m-5m44-pc93?
2 open source packages ship an affected version, including grpc-ts-health-check.
| Package | Affected | Fixed in |
|---|---|---|
grpc-ts-health-check npm | All versions | 2.0.0 |
grpc-ts-health-check npm | All versions | 2.0.0 |
How do I fix GHSA-m86m-5m44-pc93?
Upgrade grpc-ts-health-check to 2.0.0 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GHSA-m86m-5m44-pc93 being exploited?
There is no known exploitation of GHSA-m86m-5m44-pc93 in the wild and no public exploit code.