CVE-2018-1081 Information

Description

A flaw was found in Moodle 3.4 to 3.4.1 3.3 to 3.3.4 3.2 to 3.2.7 3.1 to 3.1.10 and earlier unsupported versions. Unauthenticated users can trigger custom messages to admin via paypal enrol script. Paypal IPN callback script should only send error emails to admin after request origin was verified otherwise admin email can be spammed.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/103728 https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-61392 https://moodle.org/mod/forum/discuss.php?d=367938

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

5.3