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DHS: Exploits Out for Firefox Holes

The US Computer Emergency Readiness Team (US-CERT), a cyber-security outfit that's part of the Department of Homeland Security, says that it has received information that several new exploits have been released that could let bad guys take advantage of recently patched security flaws in Mozilla's Firefox Web browser.

It doesn't say much else in its advisory, except that Firefox users should upgrade to the latest version - 1.0.5 - as soon as possible. If you're not sure what version of Firefox you are using, click on the "Help" pulldown menu, and then click on "About Mozilla Firefox." The version number shouldl be right under the big, red "Firefox."

If you need instructions on how to update, see my blog post from Wednesday on this.

By Brian Krebs  |  July 16, 2005; 12:38 AM ET
Categories:  Latest Warnings  
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Thanks for the timely info! The download instructions recommend closing all other running programs. I closed my anti-virus and firewall for perhaps two minutes. Does this sound like good procedure?

Posted by: Fred Albrecht | July 19, 2005 12:35 AM | Report abuse


Almost all installer programs will ask you to close all other programs before installing the software, and Firefox is no different. I'm sure there are people who would quibble with me, but I usually close out whatever program windows are shown running on the bar immmediately to the right of the "Start" button, but I don't bother right-clicking on and closing the programs that run at startup - those that are shown in the bottom right of the Windows desktop.

In answer to your question, it's probably safe to close your firewall program for a short while if you are also behind a hardware firewall. Most wireless routers sold today include a hardware firewall, for example. If you don't use a hardware firewall, your safest option would be to just unplug the Internet cable before you shut down your firewall.

Posted by: Bk | July 19, 2005 12:06 PM | Report abuse

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