CVE-2019-19373

Public Exploit

Description

An issue was discovered in Squiz Matrix CMS 5.5.0 prior to 5.5.0.3, 5.5.1 prior to 5.5.1.8, 5.5.2 prior to 5.5.2.4, and 5.5.3 prior to 5.5.3.3 where a user can trigger arbitrary unserialization of a PHP object from a packages/cms/page_templates/page_remote_content/page_remote_content.inc POST parameter during processing of a Remote Content page type. This unserialization can be used to trigger the inclusion of arbitrary files on the filesystem (local file inclusion), and results in remote code execution.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 4.07% Top 15%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory seclists.org Third-Party Advisory co.nz
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://matrix.squiz.net/releases/5.5/5.5.3.3 release notes
https://zxsecurity.co.nz/wp-content/uploads/2019/12/ZX%20Security%20Advisory%20-%20Squiz%20Matrix%20CMS%20-%20Multiple%20Vulnerabilities.pdf third party advisory exploit
http://seclists.org/fulldisclosure/2019/Dec/34 mailing list exploit third party advisory
http://packetstormsecurity.com/files/155671/Squiz-Matrix-CMS-5.5.x.x-Code-Execution-Information-Disclosure.html exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-19373?
CVE-2019-19373 has been scored as a high severity vulnerability.
How to fix CVE-2019-19373?
To fix CVE-2019-19373, 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-2019-19373 being actively exploited in the wild?
It is possible that CVE-2019-19373 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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