CVE-2017-18357 Information

Description

Shopware before 5.3.4 has a PHP Object Instantiation issue via the sort parameter to the loadPreviewAction() method of the Shopware_Controllers_Backend_ProductStream controller with resultant XXE via instantiation of a SimpleXMLElement object.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

http://packetstormsecurity.com/files/152995/Shopware-createInstanceFromNamedArguments-PHP-Object-Instantiation.html https://blog.ripstech.com/2017/shopware-php-object-instantiation-to-blind-xxe/ https://demo.ripstech.com/projects/shopware_5.3.3

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5