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Date: Fri, 13 Nov 2015 17:06:19 +0100
From: "Curesec Research Team (CRT)" <crt@...esec.com>
To: fulldisclosure@...lists.org
Subject: [FD] ClipperCMS 1.3.0: CSRF

Security Advisory - Curesec Research Team

1. Introduction

Affected Product:    ClipperCMS 1.3.0
Fixed in:            not fixed
Fixed Version Link:  n/a
Vendor Website:      http://www.clippercms.com/
Vulnerability Type:  CSRF
Remote Exploitable:  Yes
Reported to vendor:  10/02/2015
Disclosed to public: 11/13/2015
Release mode:        Full Disclosure
CVE:                 n/a
Credits              Tim Coen of Curesec GmbH

2. Vulnerability Description

CVSS

Medium 5.1 AV:N/AC:L/Au:S/C:P/I:P/A:P

Description

The only protection against CSRF is a referer check. This check can be disabled
by a user with the rights to edit settings, thus making the application
vulnerable to CSRF.

A user may choose to disable referer checks, because when they are enabled,
external links or direct entry/bookmarks to specific pages in the backend do
not work, which severely limits the usability of the application

3. Solution

This issue has not been fixed by the vendor.

4. Report Timeline

10/02/2015 Informed Vendor about Issue (no reply)
10/21/2015 Reminded Vendor of Disclosure Date (no reply)
11/13/2015 Disclosed to public

Blog Reference:
http://blog.curesec.com/article/blog/ClipperCMS-130-CSRF-97.html

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