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PlaceOS 1.2109.1 - Open Redirection

ID: CVE-2021-41826

Severity: medium

Author: geeknik

Tags: cve2021,cve,redirect,edb,packetstorm,placeos,place

Description

Section titled “Description”

PlaceOS Authentication Service before 1.29.10.0 allows app/controllers/auth/sessions_controller.rb open redirect.

YAML Source

Section titled “YAML Source”
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.
  impact: |
    An attacker can exploit this vulnerability to redirect users to malicious websites, leading to phishing attacks or the theft of sensitive information.
  remediation: |
    Apply the latest security patch or update to PlaceOS 1.2109.2 or higher to fix the open redirection vulnerability.
  reference:
    - https://github.com/PlaceOS/auth/issues/36
    - https://www.exploit-db.com/exploits/50359
    - https://nvd.nist.gov/vuln/detail/CVE-2021-41826
    - http://packetstormsecurity.com/files/164345/PlaceOS-1.2109.1-Open-Redirection.html
    - https://github.com/ARPSyndicate/cvemon
  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
    epss-score: 0.93913
    epss-percentile: 0.99086
    cpe: cpe:2.3:a:place:placeos_authentication:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: place
    product: placeos_authentication
  tags: cve2021,cve,redirect,edb,packetstorm,placeos,place


http:
  - method: GET
    path:
      - "{{BaseURL}}/auth/logout?continue=//interact.sh"


    matchers-condition: and
    matchers:
      - type: regex
        part: header
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?://|//)(?:[a-zA-Z0-9\-_\.@]*)interact\.sh.*$'


      - type: status
        status:
          - 302
          - 301
        condition: or
# digest: 4b0a00483046022100e09424519338d68dadd4352c1d1fadd5f414a77f08617ac451a9dca8f633d4b6022100e6b68699d6a64e80de96b270c4a522060d4f57e4a847587946e327b9cd2b4a03:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2021/CVE-2021-41826.yaml"

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