GitHub Advisoryadvisory · Go
GHSA-hf7j-xj3w-87g4 1Panel arbitrary file write vulnerability
HIGH
Official page ↗
- Aliases
- CVE-2023-39966
- Ecosystem
- Go
- Packages
- github.com/1Panel-dev/1Panel
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-862
- Reviewed
- 2023-08-10
Affected packages
• Go github.com/1Panel-dev/1Panel: >= 1.4.3, < 1.5.0 → fixed in 1.5.0
Description
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
Related
Alias · CVE (1)
- CVE-2023-39966 1Panel is an open source Linux server operation and maintenance management panel. vulnerability
Weakness · CWE (1)
- CWE-862 Missing Authorization weakness