webmedium

Easy Upload

hackerlab

Task: Web "Easy Upload" — simple file upload. Solution: Basic file upload bypass, extension filtering circumvention.

$ ls tags/ techniques/

rce lfi php file_upload local_file_inclusion remote_code_execution gif_polyglot mime_type_bypass blind_rce include ob_start output_buffering image_upload

GIF polyglot creation (valid GIF header + PHP code)MIME type bypass via Content-Type header spoofingLFI via PHP include() functionBlind RCE with file-based output exfiltration

Analysis

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$ 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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