Kioptrix Level 1 - VulnHub Writeup

Exploiting vulnerable OpenSSL version via remote overflow code to root.

🖥️ Challenge / Machine Info

  • Platform: vulnhub
  • Name / Title: kioptrix
  • Difficulty: Easy
  • Target OS / Environment: Linux
  • Key Vulnerability Focus: OpenSSL buffer overflow

Walkthrough

  1. Enum: Nmap reveals Samba and Apache (mod_ssl).
  2. Foothold: Compile and run the OpenFuck exploit targeting the vulnerable OpenSSL/mod_ssl version, immediately granting a root shell.