funsec mailing list archives

RE: Did Windows Update take out the Skype network?


From: rms () computerbytesman com
Date: Mon, 20 Aug 2007 11:17:13 -0400 (EDT)

Here's the official Skype blog entry on the meltdown:

   http://heartbeat.skype.com/2007/08/what_happened_on_august_16.html

In my book, there are way too many security patches for Windows.  The
Skype meltdown is an example of collateral damage.

Another problem that I've seen with Microsoft Update since the beginning
of this summer is that a collection of Office 2003 patches fail to install
and everytime I reboot my computer Microsoft Update attempts the install
again and fails again.  I'm never notified of these failures and I'm not
sure how to fix the problem in order to secure my system.

Richard


I hope they don't have the gall actually to blame Microsoft for it.
Obviously it's a flaw in their network, and shows a hole in their own
testing.

Perhaps it's also an indication that more Windows users are updating
more quickly.

Larry Seltzer
eWEEK.com Security Center Editor
http://security.eweek.com/
http://blogs.eweek.com/cheap_hack/
Contributing Editor, PC Magazine
larry.seltzer () ziffdavisenterprise com

-----Original Message-----
From: funsec-bounces () linuxbox org [mailto:funsec-bounces () linuxbox org]
On Behalf Of rms () computerbytesman com
Sent: Monday, August 20, 2007 10:26 AM
To: funsec () linuxbox org
Subject: [funsec] Did Windows Update take out the Skype network?

http://blog.wired.com/monkeybites/2007/08/windows-update-.html

Skype is finally back online after a massive two-day outage which began
on Thursday, August 16th and rendered the VoIP service useless for an
estimated 220 million users. As we reported on Friday, Skype has denied
charges that the outage was the result of an attack, but the company
delayed an official explanation until today.

According to Skype the outage was caused by a massive number of users
restarting their machines, which flooded the Skype network with login
requests. Skype blames the restarts on Windows Update, presumably large
numbers of users rebooting after installing this month's "Patch Tuesday"
Windows patches.

...



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