Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date: Wed, 26 Oct 2011 08:26:50 -0600
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: Jan Lieskovsky <jlieskov@...hat.com>,
        "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE Request -- Round Cube Webmail -- DoS (unavailability
 to access user's INBOX) after receiving an email message with the URL in
 the Subject

On 10/26/2011 07:14 AM, Jan Lieskovsky wrote:
> Hello Josh, Steve, vendors,
>
>   a security flaw was found in the way Round Cube Webmail,
> a browser-based multilingual IMAP client, processed certail
> email-messages containing URL link in the message Subject,
> when the Suhosin check for dangerous PHP files inclusion
> was enabled. A remote attacker could send a specially-crafted
> email message to the victim, leading to denial of service
> (situation, where victim could not open their mail INBOX
> folder with the crafted email message present).
>
> References:
> [1] http://trac.roundcube.net/ticket/1488086
> [2] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=646675
> [3] https://bugs.php.net/bug.php?id=55475
>
> Note: This is a strange one. The original source of the issue
>       seems to be PHP-Pear is_a() routine autoload bug:
>       https://bugs.php.net/bug.php?id=55475
>
>       and truly this deficiency might affect another package,
>       than roundcubemail (php-pear-MDB2 in Fedora case).
>
>       But it is a combination of this php-pear-MDB2 deficiency,
>       roundcube's handling of is_a() routine and Suhosin's
>       check for dangerous *.php files inclusion, which in
>       result might lead into situation, where valid roundcubemail
>       user couldn't access their INBOX just for some email
>       message being present in it.
>
>       In short, not sure if the CVE id should be assigned to
>       the PHP PEAR bug or to the roundcubemail package.
>
> Could you allocate a CVE id for this?
>
> Thank you && Regards, Jan.
> -- 
> Jan iankko Lieskovsky / Red Hat Security Response Team

Please use CVE-2011-4078 for this issue

-- 

-Kurt Seifried / Red Hat Security Response Team

Powered by blists - more mailing lists

Your e-mail address:

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.