The version of Metasploit in BT3 doesn't know about any exploits from the last 15 years.
It lacks drivers for modern Wi-Fi cards and USB 3.0/4.0. backtrack 3 download
Sites like OldLinux.org sometimes carry legacy penetration testing distributions. The version of Metasploit in BT3 doesn't know
When downloading BackTrack 3, ensure that you verify the integrity of the ISO file using the provided MD5 or SHA-1 hashes. This step is essential to ensure that the downloaded file is not tampered with or corrupted. backtrack 3 download
The OS itself is full of unpatched vulnerabilities.