CVE-2023-39966
1Panel arbitrary file write vulnerability
Impact
# Summary An arbitrary file write vulnerability could lead to direct control of the server # Details ## Arbitrary file creation In the api/v1/file.go file, there is a function called SaveContentthat,It recieves JSON data sent by users in the form of a POST request. And the lack of parameter filtering allows for arbitrary file write operations.It looks like this: - Vulnerable Code  # PoC - We can write the SSH public key into the /etc/.root/authorized_keys configuration file on the server.  - The server was successfully written to the public key  - Successfully connected to the target server using an SSH private key.   As a result, the server is directly controlled, causing serious **harm** # Impact 1Panel v1.4.3
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/1Panel-dev/1Panel | = 1.4.3 | 1.5.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Fit2cloud | 1panel | Version 1.4.3 |