CVE-2024-34084 Minder's Github Webhook Handler vulnerable to denial of service from un-validated requests
An attacker can crash the Minder controlplane by sending unvalidated HTTP requests to the GitHub webhook handler, denying service to other users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-34084?
CVE-2024-34084 is a high-severity denial of service vulnerability in stacklok minder, published on 7 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Minder's `HandleGithubWebhook` is susceptible to a denial of service attack from an untrusted HTTP request. The vulnerability exists before the request has been validated, and as such the request is still untrusted at the point of failure. This allows an attacker with the ability to send requests to `HandleGithubWebhook` to crash the Minder controlplane and deny other users from using it. This vulnerability is fixed in 0.0.48.
Weakness: CWE-400
Which versions are affected by CVE-2024-34084?
3 open source packages ship an affected version, including github.com/stacklok/minder.
| Package | Affected | Fixed in |
|---|---|---|
github.com/stacklok/minder Go | All versions | 0.0.48 |
github.com/stacklok/minder Go | All versions | 0.0.48 |
github.com/stacklok/minder Go | All versions | 0.0.48 |
How do I fix CVE-2024-34084?
Upgrade github.com/stacklok/minder to 0.0.48 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 CVE-2024-34084 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-34084 exists.
Sources
Also known as GHSA-9c5w-9q3f-3hv7, GO-2024-2821.