CVE-2019-19373 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

http://packetstormsecurity.com/files/155671/Squiz-Matrix-CMS-5.5.x.x-Code-Execution-Information-Disclosure.html http://seclists.org/fulldisclosure/2019/Dec/34 https://matrix.squiz.net/releases/5.5/5.5.3.3 https://zxsecurity.co.nz/wp-content/uploads/2019/12/ZX20Security20Advisory20-20Squiz20Matrix20CMS20-20Multiple20Vulnerabilities.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5