webPromedium

Lab 56 — DataPulse — XXE to SSRF via SVG Avatar Upload

hackadvisor

Task: DataPulse analytics dashboard with SVG avatar upload processed server-side via libxmljs2 with entity resolution enabled. Solution: XXE injection in SVG file to read local files, discovered .env config at /app/data/.env revealing confidential report path, then read flag from /app/data/.reports/confidential.txt.

lfi file_upload nodejs config_disclosure express xxe svg xml honeypot_flag libxmljs2 sharp better_sqlite3

xxe_injectionsvg_xxelocal_file_readenv_file_disclosureconfig_enumeration

$ ls tags/ techniques/

lfi file_upload nodejs config_disclosure express xxe svg xml honeypot_flag libxmljs2 sharp better_sqlite3

xxe_injectionsvg_xxelocal_file_readenv_file_disclosureconfig_enumeration

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.

Permission denied (requires tier.pro)

Sign in to access full writeups

$sign in

$ cat writeup.md…

Sign in to access full writeups

Sign in to access full writeups

Similar writeups