CVE-2017-18357

Public Exploit

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 58.45% Top 5%
Third-Party Advisory ripstech.com Third-Party Advisory ripstech.com
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2017-18357?
CVE-2017-18357 has been scored as a medium severity vulnerability.
How to fix CVE-2017-18357?
To fix CVE-2017-18357, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-18357 being actively exploited in the wild?
It is possible that CVE-2017-18357 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~58% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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