๐Ÿ” WEB-05: SQLi via HTTP Header (X-Forwarded-For)

HTTP ํ—ค๋”๋ฅผ ๊ฒ€์ฆ ์—†์ด ์ฟผ๋ฆฌ์— ์‚ฌ์šฉํ•˜๋ฉด ์ฃผ์ž… ๊ฐ€๋Šฅ

๐Ÿ“ ํƒ์ง€๋œ ํด๋ผ์ด์–ธํŠธ IP:
216.73.216.133
ํ—ค๋” ๊ฐ’: X-Forwarded-For, User-Agent ๋“ฑ์€ ์‹ ๋ขฐํ•  ์ˆ˜ ์—†์Œ

๐Ÿงช ์ทจ์•ฝ์  ์‹ค์Šต

๐Ÿ’ก ๊ณต๊ฒฉ ์‹œ๋‚˜๋ฆฌ์˜ค:
โ€ข curl์„ ์ด์šฉํ•ด X-Forwarded-For ํ—ค๋” ์กฐ์ž‘: curl -H "X-Forwarded-For: 192.168.1.1' OR '1'='1" ...
โ€ข ๋˜๋Š”: curl -H "X-Forwarded-For: 192.168.1.1'; DROP TABLE users;--" ...
โ€ข ๊ณต๊ฒฉ์ž๋Š” ๋‹ค๋ฅธ ํด๋ผ์ด์–ธํŠธ์˜ ๋กœ๊ทธ๋ฅผ ์กฐํšŒํ•˜๊ฑฐ๋‚˜ DB ์†์ƒ ๊ฐ€๋Šฅ

๐Ÿ“Š ์ตœ๊ทผ ์ ‘๊ทผ ๋กœ๊ทธ

์•„์ง ๋กœ๊ทธ๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค.