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Date: Sat, 17 Dec 2016 15:44:37 +0200
From: Elar Lang <elarlang@...il.com>
To: fulldisclosure@...lists.org
Subject: Re: [FD] SQL injection in Joomla extension DT Register

Update:

2016-12-16: CVE-2016-1000271 assigned by DWF

https://security.elarlang.eu/sql-injection-in-joomla-extension-dt-register.html


On Tue, Dec 13, 2016 at 10:06 AM, Elar Lang <elarlang@...il.com> wrote:
> Title: SQL injection in Joomla extension DT Register
> Credit: Elar Lang / https://security.elarlang.eu
> Vulnerability: SQL injection
> Vulnerable version: before 3.1.12 (Joomla 3.x) / 2.8.18 (Joomla 2.5)
> CVE: pending
> Full Disclosure URL:
> https://security.elarlang.eu/sql-injection-in-joomla-extension-dt-register.html
> Vendor: DTH Development
> * Vendor URL: http://www.dthdevelopment.com/
> Product: DT Register "Calendar & Event Registration"
> * Product URL: https://extensions.joomla.org/extension/dt-register
> * Product URL: http://www.dthdevelopment.com/joomla-components/dt-register-event-registration-for-joomla.html
>
>
> # Background
>
> "DT Register is the Joomla Event Registration component that gives you
> functionality beyond what any other event booking solution can offer"
> (https://extensions.joomla.org/extension/dt-register)
>
>
> # Vulnerability
>
> SQL injection in Joomla extension "DT Register" by DTH Development
> allows remote unauthenticated attacker to execute arbitrary SQL
> commands via the cat parameter.
>
>
> # Preconditions
>
> No pre-conditions for authentication or authorization.
>
>
> # Proof-of-Concept
>
> http://[DOMAIN]/[PATH]/index.php?controller=calendar&format=raw&cat[0]=SQLi&task=events
>
> PoC value (shows out all events / it's possible to see valid eventId values):
> cat[0]=6) OR 1-- -
>
>
> ## Using UNION
>
> For reading the data out using UNION it's important to have and to
> know one valid eventId (detected in previous step).
>
> In total there are 112 fields in select query, eventId position is no
> 13. For output is best to use position 112.
>
> Step-by-Step - how to read the data out is available in blog:
> https://security.elarlang.eu/sql-injection-in-joomla-extension-dt-register.html
>
>
> # Vulnerability Disclosure Timeline
>
> Full communication is available in blog:
> https://security.elarlang.eu/sql-injection-in-joomla-extension-dt-register.html
>
> 2016-10-17 | me > DTH | via web form - I would like to report some
> security holes. What is the correct way for that?
> 2016-10-18 | me > DTH | any response?
> 2016-10-25 | me > DTH | mail to dthdev@...development.com
> 2016-10-25 | DTH > me |
> * "you are not in our client list"
> * "Our site (dthdevelopment.com) is protected by an enterprise grade firewall"
> 2016-10-25 | me > DTH | I'm whitehat, technical details
> 2016-10-25 | DTH > me | description, what kind of serious problems I may face
> 2016-10-25 | me > DTH | explanations
> 2016-11-02 | me > DTH | hello?
> 2016-11-11 | me > DTH, SiteLock | Last call.
> 2016-11-11 | SiteLock / DTH / me | some communication
> 2016-11-12 | DTH > SiteLock (CC to me) | "It was configured to be open
> in the setup"
> 2016-11-15 | DTH | Released DT Register version 3.1.12 (J3.x) / 2.8.18 (J2.5)
> 2016-12-05 | DTH > me | "Sorry, forgot to respont on this. We closed
> the problem on our demo site".
> 2016-12-12 | me | Full Disclosure on security.elarlang.eu
> 2016-12-13 | me | Full Disclosure on FullDisclosure mailinglist on seclists.org
>
>
> ## asking CVE from DWF (Distributed Weakness Filing Project) /
> http://iwantacve.org
>
> 2016-10-20 | me > DWF | CVE request
> 2016-10-31 | DWF > me | "CVE - Acceptance of MITRE Terms of Use for
> CVE Assignment"
> 2016-10-31 | me > DWF | I accept
> 2016-11-19 | me > DWF | Any feedback or decision? (still no response)
> 2016-12-11 | me > DWF | Is there any hope to get feedback?  (still no response)
>
> As I haven't got any feedback, you can take this post as CVE request.
>
>
> # Fix
> DT Register version 3.1.12 (J3.x) / 2.8.18 (J2.5).
>
> --
> Elar Lang
> Blog @ https://security.elarlang.eu
> Pentester, lecturer @ http://www.clarifiedsecurity.com

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