CVEs-PoC/2011/CVE-2011-4566.md

### [CVE-2011-4566](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4566)
![](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

Integer overflow in the exif_process_IFD_TAG function in exif.c in the exif extension in PHP 5.4.0beta2 on 32-bit platforms allows remote attackers to read the contents of arbitrary memory locations or cause a denial of service via a crafted offset_val value in an EXIF header in a JPEG file, a different vulnerability than CVE-2011-0708.

### POC

#### Reference
- http://www.redhat.com/support/errata/RHSA-2012-0019.html

#### Github
- https://github.com/Live-Hack-CVE/CVE-2011-4566