bugtraq - Re: [VulnWatch] XSS & Header Injection in Drupal and vBulletin

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Message-ID: <BAY19-DAV79139913860F03102949AD94D0@phx.gbl>
Date: Wed, 30 Nov 2005 17:45:16 -0800
From: "Morning Wood" <se_cur_ity@...mail.com>
To: "Paul Laudanski" <zx@...tlecops.com>,
	<bugs@...uritytracker.com>,
	<bugtraq@...urityfocus.com>,
	<moderators@...db.org>,
	<news@...uriteam.com>,
	<vuldb@...urityfocus.com>,
	<vuln@...unia.com>,
	<vulnwatch@...nwatch.org>
Subject: Re: [VulnWatch] XSS & Header Injection in Drupal and vBulletin


oh, like i mentioned a few monts ago...

nice


----- Original Message ----- 
From: "Paul Laudanski" <zx@...tlecops.com>
To: <bugs@...uritytracker.com>; <bugtraq@...urityfocus.com>;
<moderators@...db.org>; <news@...uriteam.com>; <vuldb@...urityfocus.com>;
<vuln@...unia.com>; <vulnwatch@...nwatch.org>
Sent: Wednesday, November 30, 2005 4:34 PM
Subject: [VulnWatch] XSS & Header Injection in Drupal and vBulletin


> A fake image header with actual html body content was able to get past
> phpbb's input validation.  An exploit was issued for phpbb a month ago and
> that sparked me to check some other webapps.
>
> vbulletin 3.5.0 forum file attachments did not sanitize against this, as a
> result Jelsoft quickly issued release 3.5.1 as a fix.  Other branches were
> also fixed up to 3.0.10 and 2.3.8.
>
> http://www.vbulletin.com/forum/showthread.php?postid=1002384
>
> "The first flaw is in Microsoft Internet Explorer. It affects vBulletin
> image uploads and potentially opens a cross-site-scripting exploit. It has
> affected many web-based applications that allow image uploads, including
> phpBB and Hotmail. Although a fix from Microsoft would be preferable, we
> have implemented a work-around in all three branches of vBulletin to
> prevent the Internet Explorer flaw from being exploited."
>
> drupal 4.6.3 was also tested and found to be vulnerable as well.
>
> http://drupal.org/node/39355
>
> "Paul Laudanski informed us that it's possible to attach files that are
> able to run Javascript under Internet Explorer.
>
> Further investigation of the problem revealed that the same method can be
> used to inject arbitrary HTTP headers."
>
> Subsequently, all branches were fixed up to: 4.5.6, and 4.6.4.  However,
> PHP 4.3.0 is also required in this solution.
>
> Credit: CastleCops.com
> -- 
> Paul Laudanski, Microsoft MVP Windows-Security
> [de] http://de.castlecops.com
> [en] http://castlecops.com
> [wiki] http://wiki.castlecops.com
> [family] http://cuddlesnkisses.com
>
>