CVEs-PoC/2021/CVE-2021-1404.md

### [CVE-2021-1404](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1404)
![](https://img.shields.io/static/v1?label=Product&message=ClamAV&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%200.103.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-20%20Improper%20Input%20Validation&color=brighgreen)

### Description

A vulnerability in the PDF parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper buffer size tracking that may result in a heap buffer over-read. An attacker could exploit this vulnerability by sending a crafted PDF file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/0xCyberY/CVE-T4PDF
- https://github.com/ARPSyndicate/cvemon