CVE-2018-14630 Information

Description

moodle before versions 3.5.2 3.4.5 3.3.8 3.1.14 is vulnerable to an XML import of ddwtos could lead to intentional remote code execution. When importing legacy ‘drag and drop into text’ (ddwtos) type quiz questions it was possible to inject and execute PHP code from within the imported questions either intentionally or by importing questions from an untrusted source.

CVSS Vector

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

Reference

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-62880 http://www.securityfocus.com/bid/105354 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14630 https://moodle.org/mod/forum/discuss.php?d=376023 https://seclists.org/fulldisclosure/2018/Sep/28 https://www.sec-consult.com/en/blog/advisories/remote-code-execution-php-unserialize-moodle-open-source-learning-platform-cve-2018-14630/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8