CVEs-PoC/2020/CVE-2020-13143.md

### [CVE-2020-13143](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13143)
![](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

gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c in the Linux kernel 3.16 through 5.6.13 relies on kstrdup without considering the possibility of an internal '\0' value, which allows attackers to trigger an out-of-bounds read, aka CID-15753588bcd4.

### POC

#### Reference
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=15753588bcd4bbffae1cca33c8ced5722477fe1f
- https://usn.ubuntu.com/4413-1/
- https://usn.ubuntu.com/4414-1/
- https://usn.ubuntu.com/4419-1/

#### Github
- https://github.com/Live-Hack-CVE/CVE-2020-13143