[jdev] Fwd: [Security] billion laughs attack

Peter Saint-Andre stpeter at stpeter.im
Wed Jun 1 17:59:30 UTC 2011


FYI.

-------- Original Message --------
Subject: [Security] billion laughs attack
Date: Wed, 01 Jun 2011 11:58:13 -0600
From: Peter Saint-Andre <stpeter at stpeter.im>
Reply-To: XMPP Security <security at xmpp.org>
To: XMPP Security <security at xmpp.org>

Over the last few days, the Debian security team has announced fixes to
several XMPP server daemons to address the so-called "billion laughs"
attack:

http://lists.debian.org/debian-security-announce/2011/msg00118.html
http://lists.debian.org/debian-security-announce/2011/msg00119.html
http://lists.debian.org/debian-security-announce/2011/msg00120.html

This attack is not limited to those server daemons, and in fact applies
more generally to any XML-based applications. Other XMPP software
projects (servers, clients, and libraries) might also vulnerable, and
developers are encouraged to review their code.

Background information can be found at the following web pages:

http://www.ibm.com/developerworks/xml/library/x-tipcfsx/index.html

http://msdn.microsoft.com/en-us/magazine/ee335713.aspx

Peter

-- 
Peter Saint-Andre
https://stpeter.im/




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