CVEs-PoC/2020/CVE-2020-35635.md

### [CVE-2020-35635](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35635)
![](https://img.shields.io/static/v1?label=Product&message=CGAL%20Project&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-129%3A%20Improper%20Validation%20of%20Array%20Index&color=brighgreen)

### Description

A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1 in Nef_S2/SNC_io_parser.h SNC_io_parser::read_sface() store_sm_boundary_item() Sloop_of OOB read. A specially crafted malformed file can lead to an out-of-bounds read and type confusion, which could lead to code execution. An attacker can provide malicious input to trigger this vulnerability.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1225

#### Github
- https://github.com/Live-Hack-CVE/CVE-2020-35635