Vulnerability CVE-2017-18357
Published: 2019-01-15

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.

Type:

CWE-610

 (Externally Controlled Reference to a Resource in Another Sphere)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Shopware -> Shopware 

 References:
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
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