Description
The debugging endpoint /debug/pprof is exposed over the unauthenticated Kubelet healthz port. The go pprof endpoint is exposed over the Kubelet's healthz port. This debugging endpoint can potentially leak sensitive information such as internal Kubelet memory addresses and configuration, or for limited denial of service. Versions prior to 1.15.0, 1.14.4, 1.13.8, and 1.12.10 are affected. The issue is of medium severity, but not exposed by the default configuration.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Kubernetes | Kubernetes | prior to 1.12.10, prior to 1.13.8, prior to 1.14.4, 1.1, 1.2, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | kubernetes | 1.17.4-1 | — |
| Debian 13 | kubernetes | 1.17.4-1 | — |
| Debian 12 | kubernetes | 1.17.4-1 | — |
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- Debug Endpoint pprof - Exposure Detection http/cves/2019/CVE-2019-11248.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.