CVE-2019-16990 Information

Description

In FusionPBX up to v4.5.7 the file app/music_on_hold/music_on_hold.php uses an unsanitized \file\ variable coming from the URL which takes any pathname (base64 encoded) and allows a download of it.

CVSS Vector

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

Reference

https://github.com/fusionpbx/fusionpbx/commit/95ed18aa9d781f232f5686a9027bb6f677c9b8da https://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-path-traversal-3/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5