Externally Controlled Reference to a Resource in Another Sphere in Shopware - CVE-2017-18357

 

Externally Controlled Reference to a Resource in Another Sphere in Shopware - CVE-2017-18357

Published: January 15, 2019 / Updated: July 17, 2020


Vulnerability identifier: #VU31164
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-18357
CWE-ID: CWE-610
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Shopware
Affected software:
Shopware

Detailed vulnerability description

The vulnerability allows a remote authenticated user to gain access to sensitive information.

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.


How to mitigate CVE-2017-18357

Install update from vendor's website.

Sources