Gd-jpeg V1.0 Exploit

The GD-JPEG V1.0 exploit works by taking advantage of a buffer overflow vulnerability in the GD library's JPEG processing code. Here's a step-by-step explanation of how the exploit works:

The application has an LFI vulnerability, allowing a standard .jpg file to be processed and executed by the PHP interpreter. gd-jpeg v1.0 exploit

On systems using ImageMagick as a frontend (which sometimes fell back to GD), the exploit could escape the httpd user. By chaining with a local privilege escalation (like a vulnerable suid binary in 2005), attackers could write a .ssh/authorized_keys entry. The GD-JPEG V1