CVEs-PoC/2021/CVE-2021-40400.md

### [CVE-2021-40400](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40400)
![](https://img.shields.io/static/v1?label=Product&message=Gerbv%20forked&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Gerbv&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=2.7.0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=dev%20%20(commit%20b5f1eacd)%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=dev%20(commit%20d7f42a9a)%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-119%3A%20Improper%20Restriction%20of%20Operations%20within%20the%20Bounds%20of%20a%20Memory%20Buffer&color=brightgreen)

### Description

An out-of-bounds read vulnerability exists in the RS-274X aperture macro outline primitive functionality of Gerbv 2.7.0 and dev (commit b5f1eacd) and the forked version of Gerbv (commit d7f42a9a). A specially-crafted Gerber file can lead to information disclosure. An attacker can provide a malicious file to trigger this vulnerability.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1413

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