id: CVE-2019-11248 info: name: Debug Endpoint pprof - Exposure Detection author: 0xceeb,ritikchaddha severity: high 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. impact: | An attacker can exploit this vulnerability to gather sensitive information, potentially leading to further attacks. remediation: | Disable or restrict access to the Debug Endpoint pprof to prevent unauthorized access. reference: - https://medium.com/bugbountywriteup/my-first-bug-bounty-21d3203ffdb0 - http://mmcloughlin.com/posts/your-pprof-is-showing - https://github.com/kubernetes/kubernetes/issues/81023 - https://groups.google.com/d/msg/kubernetes-security-announce/pKELclHIov8/BEDtRELACQAJ - https://nvd.nist.gov/vuln/detail/CVE-2019-11248 classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L cvss-score: 8.2 cve-id: CVE-2019-11248 cwe-id: CWE-862,CWE-419 epss-score: 0.55625 epss-percentile: 0.97666 cpe: cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* metadata: max-request: 2 vendor: kubernetes product: kubernetes shodan-query: http.title:"kubernetes web view" fofa-query: - title="kubernetes web view" - app="kubernetes-enterprise-manager" google-query: intitle:"kubernetes web view" tags: cve2019,cve,debug,kubernetes,kubelet,devops,unauth,disclosure http: - method: GET path: - "{{BaseURL}}/debug/pprof/" - "{{BaseURL}}/debug/pprof/goroutine?debug=1" stop-at-first-match: true matchers: - type: word words: - "Types of profiles available:" - "Profile Descriptions" - "goroutine profile: total" condition: or # digest: 4b0a00483046022100e657ba9f27d9c568c2277e20ab68f160fd31203471a7943bdb8b24d85ab697de022100cc0aea703272ca6817e298be4071ab1d695c422e53bb5a8c69d213f38f1e8be7:922c64590222798bb761d5b6d8e72950