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: >  http://trac.roundcube.net/ticket/1488086 >  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=646675 >  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
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