cve/2023/CVE-2023-31475.md

### [CVE-2023-31475](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-31475)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

An issue was discovered on GL.iNet devices before 3.216. The function guci2_get() found in libglutil.so has a buffer overflow when an item is requested from a UCI context, and the value is pasted into a char pointer to a buffer without checking the size of the buffer.

### POC

#### Reference
- https://github.com/gl-inet/CVE-issues/blob/main/3.215/Buffer_Overflow.md
- https://justinapplegate.me/2023/glinet-CVE-2023-31475/

#### Github
No PoCs found on GitHub currently.