Fixes it on NetWare.  I'll go try WinXP

Jeff Tulley  ([EMAIL PROTECTED])
(801)861-5322
Novell, Inc., The Leading Provider of Net Business Solutions
http://www.novell.com

>>> [EMAIL PROTECTED] 8/12/03 7:02:01 PM >>>
Oups I've missed the discussion . There is a 1.4.2 bug found by Remy 
(and reported in bugtraq as 4895132. I'm not sure you can access the 
bug). The workaround is to add the following property when starting
Tomcat:

-Dsun.io.useCanonCaches=false

Can you try it and see if that fixe the problem (I don't have a winXX)?


-- Jeanfrancois


Jeff Tulley wrote:

>The user list has been busy lately discussing a possible security
hole,
>but only 1/3 of the people in the thread could see the problem.  I
>finally got to where I could see it using Tomcat 4.1.24 and JVM
1.4.2,
>but NOT with JVM 1.4.1.
>
>The vulnerability is that if you stick a "%20" on the end of a .jsp
>url, you get the source.
>
>I forgot to mention the platforms where this has been seen.  I have
>seen this with Sun's JVM 1.4.2 on Windows XP, and now I just verified
>that it also exists on NetWare's JVM 1.4.2 (built on Sun's source
code
>base, so not surprising)  It might exist on other 1.4.2
implementations,
>but I am not sure. 
>
>I also just verified this on Tomcat 4.1.18 and 4.1.26 as well.
>
>For some reason I see it better with the example jsp's -
>/examples/jsp/num/numbguess.jsp%20 for instance.  But, you can tell
the
>problem is going to be there if, when you add the "%20" to the .jsp
>name, you don't get a 404.  This is all going directly to port 8080,
so
>no native connector is involved.
>
>Jeff Tulley  ([EMAIL PROTECTED])
>(801)861-5322
>Novell, Inc., The Leading Provider of Net Business Solutions
>http://www.novell.com 
>
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