.. / CVE-2019-11248

Exploit for Debug Endpoint pprof - Exposure Detection (CVE-2019-11248)

Description:

The debugging endpoint /debug/pprof is exposed over the unauthenticated Kubelet 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.

Nuclei Template

View the template here CVE-2019-11248.yaml

Validate with Nuclei

echo "$URL" | nuclei -t ~/nuclei-templates/http/cves/2019/CVE-2019-11248.yaml
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References:

http://mmcloughlin.com/posts/your-pprof-is-showing
https://nvd.nist.gov/vuln/detail/CVE-2019-11248
https://medium.com/bugbountywriteup/my-first-bug-bounty-21d3203ffdb0
https://github.com/kubernetes/kubernetes/issues/81023
https://groups.google.com/d/msg/kubernetes-security-announce/pKELclHIov8/BEDtRELACQAJ