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Date:         Wed, 4 Feb 2004 11:51:05 +0000
Reply-To:     "Z39.50 Next-Generation Initiative" <[log in to unmask]>
Sender:       "Z39.50 Next-Generation Initiative" <[log in to unmask]>
From:         Robert Sanderson <[log in to unmask]>
Subject:      Re: XPath and Validation
Comments: To: "Z39.50 Next-Generation Initiative" <[log in to unmask]>
Comments: cc: [log in to unmask]
In-Reply-To:  <[log in to unmask]>
Content-Type: TEXT/PLAIN; charset=US-ASCII

> > Agreed. I was never conviced by this line of argument (BUT I > > reserve the right to hide quietly under my desk if someone > > comes up with an XPath exploit that cracks our server and > > Matthew starts sending out "told you so!" emails :-) > > I can certainly do the following if we used XSLT or Xinclude. Thankfully, no XSLT or XInclude. > I could craft a http link to Ralph's light client which would cause a > search to be done (and Ralphs light client to display the results) which > would use XSLT/Xinclude to add JavaScript to the record. With a little How about something like: recordXPath="concat('<script>...</script>', string(/))" > This wouldn't be possible if we didn't have the Xpath, Xinclude stuff It doesn't compromise the server, though, just exploits potential javascript security issues in a certain *cough* browser. It would make the server look bad, but really ... people clicking on links from untrustworthy sources, using untrustworthy browsers should expect to get owned occasionally. Anyway, Microsoft recommend not clicking on links any more, but to type them in by hand. Which includes the CQL query, I guess, so we have a usage scenario for hand entered queries :) Rob -- ,'/:. Dr Robert Sanderson ([log in to unmask]) ,'-/::::. http://www.o-r-g.org/~azaroth/ ,'--/::(@)::. Special Collections and Archives, extension 3142 ,'---/::::::::::. Nebmedes: http://nebmedes.o-r-g.org:8000/ ____/:::::::::::::. I L L U M I N A T I


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