CVEs-PoC/2021/CVE-2021-27815.md

### [CVE-2021-27815](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27815)
![](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

NULL Pointer Deference in the exif command line tool, when printing out XML formatted EXIF data, in exif v0.6.22 and earlier allows attackers to cause a Denial of Service (DoS) by uploading a malicious JPEG file, causing the application to crash.

### POC

#### Reference
- https://github.com/libexif/exif/issues/4

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