full-disclosure - CMS Made Simple: SQL injection

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Date: Wed, 02 May 2007 11:02:03 +0200
From: Daniel Lucq <daniel@...nit.be>
To: full-disclosure@...ts.grok.org.uk
Subject: CMS Made Simple: SQL injection

1) Summary

Affected software  CMS Made Simple 1.05
Vendor URL         http://www.cmsmadesimple.org/
Severity           High

2) Vulnerability Description

The affected software is vulnerable to SQL injection via the templateid
parameter of the stylesheet.php page (the value of this parameter is
used directly in an SQL query, without any form of escaping or sanitation).

This vulnerability is remotely exploitable, and does not require
authentication prior to remote exploitation (since the page is normally
part of the publicly accessible part of the package).

The impact is dependent on the database back-end type (and the subset of
the SQL language supported by this back-end). E.g. a MySQL 5 back-end
will allow disclosure of the CMS usernames (including administrators)
and their password hashes.

3) Verification

http://www.example.com/stylesheet.php?templateid=16+AND+1=1
http://www.example.com/stylesheet.php?templateid=16+AND+1=0

4) Solution

Update to version 1.06 of the affected software.

5) Time Table

2007/04/24  Vendor was informed
2007/04/24  Vendor releases version 1.06 which fixes the issue
2007/05/02  Scanit publishes advisory

6) Additional Information

The original advisory can be found here:
http://www.scanit.be/advisory-2007-05-02.html

7) About Scanit

Scanit is a security company located in Brussels, Belgium. We specialise
in security assessments, offering services such as penetration tests,
application source code reviews, and risk assessments. More information
can be found at http://www.scanit.be/.

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