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Thread ID: 57685 2005-05-09 21:28:00 Firefox vulnerability rated extremely critical Strommer (42) Press F1
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353750 2005-05-09 21:28:00 Exploit code chases two Firefox flaws
Published: May 9, 2005, 8:14 AM PDT

Two vulnerabilities in the popular Firefox browser have been rated "extremely critical" because exploit code is now available to take advantage of them.
The cross-site scripting and remote system access flaws were discovered in Firefox version 1.0.3, but other versions may also be affected, said security company Secunia, which issued the ratings Sunday.

Read more here (news.com.com)
Strommer (42)
353751 2005-05-09 22:04:00 Mozilla recommended that Firefox users either disable JavaScript or lock down the browser so it doesn't install additional software,
such as extensions or themes, from Web sites.
- from: www.techspot.com
Strommer (42)
353752 2005-05-10 03:31:00 So does this mean that supposing I clicked on the disguised .Xpi instal code somewhere on a dastardly site, I would not get the normal dialogue coming up in the Extensions window on whether I do want to complete the instal or not.

How does one "lock down the browser" officially?
zqwerty (97)
353753 2005-05-10 04:54:00 Exploit code chases two Firefox flaws
Published: May 9, 2005, 8:14 AM PDT

Two vulnerabilities in the popular Firefox browser have been rated "extremely critical" because exploit code is now available to take advantage of them.
The cross-site scripting and remote system access flaws were discovered in Firefox version 1.0.3, but other versions may also be affected, said security company Secunia, which issued the ratings Sunday.

Read more here (news.com.com)

Which just shows you MS and IE are not that bad afterall. You only hear about them because so many people use them. As more and more people use FireFox you will see more and more flaws.

Programmers are only human too.
Big John (551)
353754 2005-05-10 05:24:00 I think not. Because you have one badly written hole-ridden rubbish browser and then another comes along which is also found to have flaws and holes does not make the first one any better, You just end up with 2 pieces of rubbish. pctek (84)
353755 2005-05-10 05:28:00 Which just shows you MS and IE are not that bad afterall. You only hear about them because so many people use them. As more and more people use FireFox you will see more and more flaws.

Programmers are only human too.

Yes. If you want a balanced view though, you should have a good look through Secunia (www.secunia.com), and the Sans Top 20 Vulnerability List (www.sans.org/top20). Very boring, but more balanced and complete than the newsbites you get in the popular press.
vinref (6194)
353756 2005-05-10 09:36:00 As long as the only two sites that you have listed to automatically install software is; addons.mozilla.org and updates.mozilla.org then you'll be ok for the installation of updates and themes. Just don't get them from any other sites until a patch comes out.

The thing with using FF is that it is harder for dirtbags to exploit the OS from it as it is not embedded in the OS.
Murray P (44)
353757 2005-05-10 14:41:00 "Locking down" the browser, the answer I was looking for:

disabling Javascript functionality and the "Allow web sites to install software" option.

the last found here: Tools/Options/Web features
zqwerty (97)
353758 2005-05-10 14:45:00 By the way, Firefox 1.0.4 will be released soon, from here:

news.softpedia.com
zqwerty (97)
353759 2005-05-10 17:14:00 Or you could download a nightly build. vapo (5203)
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