Remote Code Execution in Shopware <5.1.5 (CVE-2016-3109)

[David Vieira-Kurz <david.vieira-kurz () immobilienscout24 de>]

CREDITS

========

This issue has been identified by David Vieira-Kurz of Immobilien Scout GmbH.


CVE

====

CVE-2016-3109


AFFECTED PRODUCT

==================

Shopware < 5.1.5 : https://en.shopware.com/


IMPACT

=======

This issue has been triaged with the highest severity (CRITICAL) by the Shopware maintainer because it allows 
unauthenticated remote code execution by any attacker! This means that an attacker is able to read ANY files on the 
target system, create new files with malicious content and run arbitrary code on the target system.


PROOF OF CONCEPT

==================

The script located at "/backend/Login/load/" is prone to remote code execution.

A proof of concept has been sent to the maintainer and verified by the maintainer of Shopware.

For the time being we will not provide any exploit code publicly.


TIMELINE

========

05/Apr/2016: issue has been identified

05/Apr/2016: issue and poc has been sent to the maintainer

06/Apr/2016: maintainer has verified the issue

07/Apr/2016: maintainer sent hotfix for review

11/Apr/2016: maintainer released a hotfix as version 5.1.5

23/Apr/2016: this advisory has been published




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