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A Cross-Site Request Forgery (CSRF) vulnerability in the parisneo/lollms-webui project allows remote attackers to execute arbitrary code on a victim's system. The vulnerability stems from the `/execute_code` API endpoint, which does not properly validate requests, enabling an attacker to craft a malicious webpage that, when visited by a victim, submits a form to the victim's local lollms-webui instance to execute arbitrary OS commands. This issue allows attackers to take full control of the victim's system without requiring direct network access to the vulnerable application.
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The parisneo/lollms-webui does not have CSRF protections. As a result, an attacker is able to execute arbitrary OS commands via the `/execute_code` API endpoint by tricking a user into visiting a specially crafted webpage.
A Cross-Site Request Forgery (CSRF) vulnerability in the parisneo/lollms-webui project allows remote attackers to execute arbitrary code on a victim's system. The vulnerability stems from the `/execute_code` API endpoint, which does not properly validate requests, enabling an attacker to craft a malicious webpage that, when visited by a victim, submits a form to the victim's local lollms-webui instance to execute arbitrary OS commands. This issue allows attackers to take full control of the victim's system without requiring direct network access to the vulnerable application.
I have activated the CORS because I had a development ui that uses another port number then I forgot to remove it.
So what I just did is :
- First removed the cors configuration that allows everyone to access it :
before:
```python
sio = socketio.AsyncServer(async_mode="asgi", cors_allowed_origins="*", ping_timeout=1200, ping_interval=30) # Enable CORS for every one
```
after:
```python
cert_file_path = lollms_paths.personal_certificates/"cert.pem"
key_file_path = lollms_paths.personal_certificates/"key.pem"
if os.path.exists(cert_file_path) and os.path.exists(key_file_path):
is_https = True
else:
is_https = False
# Create a Socket.IO server
sio = socketio.AsyncServer(async_mode="asgi", cors_allowed_origins=config.allowed_origins+[f"https://localhost:{config['port']}" if is_https else f"http://localhost:{config['port']}"], ping_timeout=1200, ping_interval=30) # Enable CORS for selected origins
```
- Second, I have updated lollms to have two modes (a headless mode and a ui mode).
And updated the /execute_code to block if the server is headless or is exposed
```python
@router.post("/execute_code")
async def execute_code(request: Request):
"""
Executes Python code and returns the output.
:param request: The HTTP request object.
:return: A JSON response with the status of the operation.
"""
if lollmsElfServer.config.headless_server_mode:
return {"status":False,"error":"Code execution is blocked when in headless mode for obvious security reasons!"}
if lollmsElfServer.config.host=="0.0.0.0":
return {"status":False,"error":"Code execution is blocked when the server is exposed outside for very obvipous reasons!"}
try:
data = (await request.json())
code = data["code"]
discussion_id = int(data.get("discussion_id","unknown_discussion"))
message_id = int(data.get("message_id","unknown_message"))
language = data.get("language","python")
if language=="python":
The parisneo/lollms-webui does not have CSRF protections. As a result, an attacker is able to execute arbitrary OS commands via the `/execute_code` API endpoint by tricking a user into visiting a specially crafted webpage.
Added
CVSS V3.1
huntr.dev AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Removed
CVSS V3
huntr.dev AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
New CVE Received from huntr.dev3/30/2024 2:15:45 PM
I have activated the CORS because I had a development ui that uses another port number then I forgot to remove it.
So what I just did is :
- First removed the cors configuration that allows everyone to access it :
before:
```python
sio = socketio.AsyncServer(async_mode="asgi", cors_allowed_origins="*", ping_timeout=1200, ping_interval=30) # Enable CORS for every one
```
after:
```python
cert_file_path = lollms_paths.personal_certificates/"cert.pem"
key_file_path = lollms_paths.personal_certificates/"key.pem"
if os.path.exists(cert_file_path) and os.path.exists(key_file_path):
is_https = True
else:
is_https = False
# Create a Socket.IO server
sio = socketio.AsyncServer(async_mode="asgi", cors_allowed_origins=config.allowed_origins+[f"https://localhost:{config['port']}" if is_https else f"http://localhost:{config['port']}"], ping_timeout=1200, ping_interval=30) # Enable CORS for selected origins
```
- Second, I have updated lollms to have two modes (a headless mode and a ui mode).
And updated the /execute_code to block if the server is headless or is exposed
```python
@router.post("/execute_code")
async def execute_code(request: Request):
"""
Executes Python code and returns the output.
:param request: The HTTP request object.
:return: A JSON response with the status of the operation.
"""
if lollmsElfServer.config.headless_server_mode:
return {"status":False,"error":"Code execution is blocked when in headless mode for obvious security reasons!"}
if lollmsElfServer.config.host=="0.0.0.0":
return {"status":False,"error":"Code execution is blocked when the server is exposed outside for very obvipous reasons!"}
try:
data = (await request.json())
code = data["code"]
discussion_id = int(data.get("discussion_id","unknown_discussion"))
message_id = int(data.get("message_id","unknown_message"))
language = data.get("language","python")
if language=="python":
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