+1.  This is what I was after before, but Arnaud has stated it much more
clearly.

Ted
----- Original Message -----
From: "Arnaud Le Hors" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, December 03, 2002 9:18 AM
Subject: RE: Security Alert - Xerces]


> I'm fine with what's being done to address the immediate concern but I
> should point out that this is far from the end of our troubles on that
> front.
>
> The fact is that there are many ways one can screw things up, by getting
the
> parser into extremely CPU consuming processing or running out of memory.
> To really address this someone would need to spend quite some time
thinking
> about all the different "holes".
>
> For example, with the DOM it's easy to run out of memory. All it would
take
> is to send a document with one element containing a few Gigas of text...
>
> I guess I favor the addition of parameters the application developer could
> use to set various limits, even though as an application developer I would
> probably have a hard time figuring out what to set them to... All these
> limits should be set to infinite by defaults.
> --
> Arnaud  Le Hors - IBM, XML Standards Strategy Group / W3C AC Rep.
>
>
> -----Original Message-----
> From: Ted Leung [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, December 03, 2002 10:31 AM
> To: [EMAIL PROTECTED]
> Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Subject: Re: Security Alert - Xerces]
>
>
> The next version of Xerces-J will include a parser feature that will
> turn off DOCTYPE processing.  When activated, this feature will
> prevent the entity expansion that causes this vulnerability.  The Axis
> team will be able to use this feature to close the hole.
>
> The URI for the parser feature will be
> "http://apache.org/xml/features/disallow-doctype-decl";
>
> Ted
> ----- Original Message -----
> From: "Ben Laurie" <[EMAIL PROTECTED]>
> To: "Ted Leung" <[EMAIL PROTECTED]>
> Sent: Wednesday, November 27, 2002 3:37 AM
> Subject: [Fwd: Security Alert - Xerces]
>
>
> > Here ya go. Please keep security@ copied on any followups...
> >
> > Cheers,
> >
> > Ben.
> >
> > --
> > http://www.apache-ssl.org/ben.html       http://www.thebunker.net/
> >
> > "There is no limit to what a man can do or how far he can go if he
> > doesn't mind who gets the credit." - Robert Woodruff
> >
>
>
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