CVE-2017-8082 Information

Description

concrete5 8.1.0 has CSRF in Thumbnail Editor in the File Manager which allows remote attackers to disable the entire installation by merely tricking an admin into viewing a malicious page involving the /tools/required/files/importers/imageeditor?fID=1&imgData= URI. This results in a site-wide denial of service making the site not accessible to any users or any administrators.

CVSS Vector

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

Reference

http://zeroday.insecurity.zone/exploits/concrete5_csrf_dos.txt https://drive.google.com/open?id=0B3vXUYdNMECWZTd3SFRnUjllWk0 https://twitter.com/insecurity/status/856066923146215425

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5