CVE-2016-9836 Information

Description

The file scanning mechanism of JFilterInput::isFileSafe() in Joomla! CMS before 3.6.5 does not consider alternative PHP file extensions when checking uploaded files for PHP content which enables a user to upload and execute files with the .php6 .php7 .phtml and .phpt extensions. Additionally JHelperMedia::canUpload() did not blacklist these file extensions as uploadable file types.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/94663 https://github.com/XiphosResearch/exploits/tree/master/Joomraa

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8