CVE-2024-40632
Description
Linkerd is an open source, ultralight, security-first service mesh for Kubernetes. In affected versions when the application being run by linkerd is susceptible to SSRF, an attacker could potentially trigger a denial-of-service (DoS) attack by making requests to localhost:4191/shutdown. Linkerd could introduce an optional environment variable to control a token that must be passed as a header. Linkerd should reject shutdown requests that do not include this header. This issue has been addressed in release version edge-24.6.2 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
How to fix
- github.com/linkerd/linkerd20.5.1-0.20240614165515-35fb2d6d11ef or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| github.com/linkerd/linkerd2Go | v < 0.5.1-0.20240614165515-35fb2d6d11ef | 0.5.1-0.20240614165515-35fb2d6d11ef |
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