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Re: Possible issue: XXE (Xml eXternal Entity) attack

From: Miles Sabin <miles@milessabin.com>
Date: Wed, 30 Oct 2002 10:24:17 +0000
To: www-tag@w3.org
Message-Id: <200210301024.17050.miles@milessabin.com>

Rick Jelliffe wrote,
> > * Unauthorized access to data stored as XML files on the parsing
> >   system file system (of course the attacker still needs a way to
> >   get these data back)
>
> Err, yes: this is a bit too vague to be credible isn't it.

I sketched a scenario here,

  http://lists.xml.org/archives/xml-dev/200206/msg00247.html

(see towards the middle, "unexpected information disclosure"). Maybe 
still a bit vague, and highly dependent on the functionality of the 
receiving application ... but I think the possibility is credible 
enough.

Cheers,


Miles
Received on Wednesday, 30 October 2002 05:24:48 GMT

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