CVEs-PoC/2017/CVE-2017-7544.md

### [CVE-2017-7544](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7544)
![](https://img.shields.io/static/v1?label=Product&message=libexif&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=through%200.6.21%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-125&color=brightgreen)

### Description

libexif through 0.6.21 is vulnerable to out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c caused by improper length computation of the allocated data of an ExifMnote entry which can cause denial-of-service or possibly information disclosure.

### POC

#### Reference
- https://sourceforge.net/p/libexif/bugs/130/

#### Github
- https://github.com/andir/nixos-issue-db-example