id: CVE-2021-41826 info: name: PlaceOS 1.2109.1 - Open Redirection author: geeknik severity: medium description: PlaceOS Authentication Service before 1.29.10.0 allows app/controllers/auth/sessions_controller.rb open redirect. reference: - https://github.com/PlaceOS/auth/issues/36 - https://www.exploit-db.com/exploits/50359 - https://nvd.nist.gov/vuln/detail/CVE-2021-41826 classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N cvss-score: 6.1 cve-id: CVE-2021-41826 cwe-id: CWE-601 tags: cve,cve2021,placeos,redirect requests: - method: GET path: - "{{BaseURL}}/auth/logout?continue=//interact.sh" matchers-condition: and matchers: - type: status status: - 302 - 301 condition: or - type: regex part: header regex: - '(?m)^(?:Location\s*?:\s*?)(?:https?://|//)(?:[a-zA-Z0-9\-_\.@]*)interact\.sh.*$' # Enhanced by mp on 2022/02/27