webeasy

TimeKORP

hackthebox

Task: PHP web app with date command. Solution: OS command injection via single quote escape in exec() call, breaking out of quoted shell argument to read /flag.

$ ls tags/ techniques/

command_injection rce php shell_injection exec single_quote_escape date_command mvc

Semicolon command separatorOS command injection via single quote escapeBreaking out of single-quoted shell argumentReading flag file via cat

Analysis

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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