CVEs-PoC/2020/CVE-2020-7064.md

### [CVE-2020-7064](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7064)
![](https://img.shields.io/static/v1?label=Product&message=PHP&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=7.3.x%3C%207.3.16%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-125%20Out-of-bounds%20Read&color=brighgreen)

### Description

In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.

### POC

#### Reference
- https://www.oracle.com/security-alerts/cpujan2021.html

#### Github
- https://github.com/Live-Hack-CVE/CVE-2020-7064