full-disclosure - Re: [FD] [KIS-2014-06] Dotclear <= 2.6.2 (Media Manager) Unrestricted File Upload Vulnerability

Open Source and information security mailing list archives

Date: Wed, 21 May 2014 18:43:29 -0500
From: Brandon Perry <bperry.volatile@...il.com>
To: Egidio Romano <research@...mainsecurity.com>
Cc: "fulldisclosure@...lists.org" <fulldisclosure@...lists.org>,
	bugtraq@...urityfocus.com
Subject: Re: [FD] [KIS-2014-06] Dotclear <= 2.6.2 (Media Manager)
 Unrestricted File Upload Vulnerability

Hi,

These are cool. Here is a Metasploit module for the file upload. You seem
to need the ability to publish as well the the ability to manage your own
media.

Feel free to edit as you would like and make a pull request!

https://gist.github.com/brandonprry/efc0765c342a44a0dedb

On Wed, May 21, 2014 at 2:12 PM, Egidio Romano <research@...mainsecurity.com
> wrote:

> ------------------------------------------------------------------------
> Dotclear <= 2.6.2 (Media Manager) Unrestricted File Upload Vulnerability
> ------------------------------------------------------------------------
>
>
> [-] Software Link:
>
> http://dotclear.org/
>
>
> [-] Affected Versions:
>
> Version 2.6.2 and probably prior versions.
>
>
> [-] Vulnerability Description:
>
> The vulnerability exists because of the filemanager::isFileExclude()
> method not properly verifying the extension of
> uploaded files. This method just checks whether the uploaded file name
> matches the “exclude_pattern” regular expression,
> which by default is set to “/\.php$/i”. This could be exploited to execute
> arbitrary PHP code by uploading a file with
> multiple extensions or other extensions (like .php5 or .phtml) which might
> be handled as PHP scripts. Successful
> exploitation of this vulnerability requires an account with permissions to
> manage media items.
>
>
> [-] Solution:
>
> Apply the vendor workaround or define a more secure “media_exclusion”
> setting (PCRE value).
>
>
> [-] Disclosure Timeline:
>
> [14/05/2014] - Vendor notified
> [15/05/2014] - Vendor response
> [16/05/2014] - Version 2.6.3 released:
> http://dotclear.org/blog/post/2014/05/16/Dotclear-2.6.3
> [16/05/2014] - CVE number requested
> [19/05/2014] - CVE number assigned
> [21/05/2014] - Public disclosure
>
>
> [-] CVE Reference:
>
> The Common Vulnerabilities and Exposures project (cve.mitre.org)
> has assigned the name CVE-2014-3782 to this vulnerability.
>
>
> [-] Credits:
>
> Vulnerability discovered by Egidio Romano.
>
>
> [-] Original Advisory:
>
> http://karmainsecurity.com/KIS-2014-06
>
> _______________________________________________
> Sent through the Full Disclosure mailing list
> http://nmap.org/mailman/listinfo/fulldisclosure
> Web Archives & RSS: http://seclists.org/fulldisclosure/
>

-- 
http://volatile-minds.blogspot.com -- blog
http://www.volatileminds.net -- website

_______________________________________________
Sent through the Full Disclosure mailing list
http://nmap.org/mailman/listinfo/fulldisclosure
Web Archives & RSS: http://seclists.org/fulldisclosure/

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives