Exploit for Code Injection in Exiftool Project Exiftool

## https://sploitus.com/exploit?id=57168674-74D6-508B-9507-FBA738E00A78
### Vulnerable Version 
7.44 ~ 12.23

### Reproduce

```
$ bash craft_a_djvu_exploit.sh 'cal'
$ ./exiftool delicate.jpg
```
### Screenshot
![image](https://github.com/se162xg/CVE-2021-22204/blob/main/djvu.png)

### Reference
[NVD-CVE-2021-22204](https://nvd.nist.gov/vuln/detail/CVE-2021-22204)