webeasy

Zip slip

spbctf

Task: File upload service that extracts ZIP archives with vulnerable service hint. Solution: Zip Slip attack using path traversal in archive filenames to write webshell to web root and achieve RCE.

$ ls tags/ techniques/

rce path_traversal php file_upload zip arbitrary_file_write

zip_sliparbitrary_file_writewebshell_upload

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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