While the official VSFTPD repository was cleaned shortly after the discovery, the compromised code is preserved in various security research repositories on GitHub for educational purposes.
In July 2011, an unknown attacker compromised the official vsftpd download mirror and replaced the legitimate vsftpd-2.3.4.tar.gz archive with a version containing a hidden backdoor. vsftpd 208 exploit github install
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The exploit requires two main steps: triggering the backdoor and connecting to the new shell port. 0;16; Method 1: Manual Exploitation 0;16; While the official VSFTPD repository was cleaned shortly
: An attacker can then connect to this port using a tool like Netcat to execute arbitrary commands with root privileges. Installing the Vulnerable Version for Labs Method 1: Manual Exploitation 0