Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:8961 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 78253 invoked by uid 1010); 7 Apr 2004 14:17:16 -0000 Delivered-To: ezmlm-scan-internals@lists.php.net Delivered-To: ezmlm-internals@lists.php.net Received: (qmail 78144 invoked from network); 7 Apr 2004 14:17:15 -0000 Received: from unknown (HELO blobule.suds) (66.11.170.154) by pb1.pair.com with SMTP; 7 Apr 2004 14:17:15 -0000 Received: by blobule.suds (Postfix, from userid 501) id BF0B62F727; Wed, 7 Apr 2004 10:17:14 -0400 (EDT) To: inodes Cc: internals@lists.php.net In-Reply-To: <015101c41ca8$4a1aa480$4601a8c0@shuttle> References: <015101c41ca8$4a1aa480$4601a8c0@shuttle> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.8-3mdk Date: 07 Apr 2004 10:17:14 -0400 Message-ID: <1081347434.18872.4.camel@blobule.suds> Mime-Version: 1.0 Subject: Re: [PHP-DEV] Patch to minimize Session Fixation Risks From: robert@interjinn.com (Robert Cummings) On Wed, 2004-04-07 at 09:56, inodes wrote: > Hello, > > The PHP manual says it is the developer's job to ensure PHP sessions cannot > be stolen or "fixed" (this is called Session Fixation). > > To minimise the risk of session fixation, I wrote a patch for PHP-4.3.5 (I > can port it for the other versions too - just ask...), that makes (almost) > sure the current user IS the session creator. It is based on client IP > addresses. > > This patch is available at: http://www.trickytools.com/php/sesfixpatch.php > > If you think this could be useful, it could be improved and someday be part > of the official distro. I remember reading in the forums before that using the request IP to "fixate" a session isn't practical since some ISPs (namely AOL) can have the request IP suddenly change between one request and another. Cheers, Rob. -- .------------------------------------------------------------. | InterJinn Application Framework - http://www.interjinn.com | :------------------------------------------------------------: | An application and templating framework for PHP. Boasting | | a powerful, scalable system for accessing system services | | such as forms, properties, sessions, and caches. InterJinn | | also provides an extremely flexible architecture for | | creating re-usable components quickly and easily. | `------------------------------------------------------------'