bugtraq - Sun JRE / JDK bug introduces XXE possibilities

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Date: Sat, 2 Feb 2008 14:21:13 +0000
From: "Chris Evans" <scarybeasts@...il.com>
To: bugtraq@...urityfocus.com
Subject: Sun JRE / JDK bug introduces XXE possibilities

Hi,

Now that Sun has fixed this in JDK6u4, I thought this might be of
interest to people:

http://scarybeastsecurity.blogspot.com/

Essentially, one common XXE protection method was broken in the
default XML parser, in JDK6.

In particular, I'm worried about web services (and other server-side
XML accepting technologies) deployed under JDK6. I haven't had time to
look into common web service frameworks and see how they implement XXE
protection. Might be interesting to look into specific technologies
that broke.

Cheers
Chris