cve/2017/CVE-2017-12933.md

### [CVE-2017-12933](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12933)
![](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

The finish_nested_data function in ext/standard/var_unserializer.re in PHP before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 is prone to a buffer over-read while unserializing untrusted data. Exploitation of this issue can have an unspecified impact on the integrity of PHP.

### POC

#### Reference
- https://hackerone.com/reports/261336

#### Github
- https://github.com/ARPSyndicate/cvemon