CVE-2017-18357

EPSS 27.1%

Vexday Risk Score

43Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Functional exploit

Automatable exploit available (Nuclei/Metasploit).

CVSS —EPSS 27.1%KEV nãoPoC públicaNuclei —Metasploit simPatch —

Lifecycle

15 Jan 2019Published on NVD

09 May 2019Metasploit module available

23 May 2019Public PoC

Weaponization speed

127 daysto first PoC

113 daysto Metasploit module

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

Affected products

n/a · n/a

public PoCs found — 2

cve_referencepacketstormsecurity.com/files/152995/Shopware-createInstanceFromNamedArguments-PHP-Object-Instantiation.htmlunverified exploitdbwww.exploit-db.com/exploits/46915unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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