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CVE-2019-11248

8.2 · HIGH

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

Published Aug 29, 2019CWE-419EPSS 75.06%

Overview

CVE-2019-11248 is a high-severity vulnerability. It was published on August 29, 2019 and has a CVSS 3.1 base score of 8.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/kubernetes/kubernetes/issues/81023Refgroups.google.com/d/msg/kubernetes-security-announce/pKELclHIov8/BEDtRELACQAJRefsecurity.netapp.com/advisory/ntap-20190919-0003/GitHubgithub.com/kubernetes/kubernetes/issues/81023Refgroups.google.com/d/msg/kubernetes-security-announce/pKELclHIov8/BEDtRELACQAJRefsecurity.netapp.com/advisory/ntap-20190919-0003/

How CyberStrike helps

Frequently asked questions

What is CVE-2019-11248?

CVE-2019-11248 is a high-severity vulnerability. It was published on August 29, 2019 and has a CVSS 3.1 base score of 8.2 (HIGH).

How severe is CVE-2019-11248?

This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-11248?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-11248?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-11248 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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