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Exploit turns up heat for Firefox flaw
CNet News ^ | 8 February 2006 | Joris Evers

Posted on 02/09/2006 9:50:40 AM PST by ShadowAce

Computer code that could be used in cyberattacks on Firefox users has been released, increasing the urgency for people to upgrade to the latest version of the Web browser.

The two pieces of exploit code, posted online earlier this week, take advantage of a security vulnerability in Firefox that Mozilla patched in an update Thursday. In response to the exploit release, the browser maker on Tuesday upgraded the severity rating of the flaw from "moderate" to "critical," its most serious rating.

"This exploit was published after we released the 1.5.0.1 update," said Mike Schroepfer, vice president of engineering at Mozilla. "Most of our users had already been upgraded by the time this exploit was published."

The code could be used to commandeer computers running a vulnerable version of the open-source Web browser on Linux or Mac OS X systems. It has been published as part of the Metasploit Framework, a widely used hacking tool.

The specific flaw exists only in Firefox 1.5 and was fixed in Firefox 1.5.0.1. The problem could cause a memory corruption an outsider could use to run code on a vulnerable PC, according to a Mozilla advisory. The corruption would come from calling the "QueryInterface" method of the Location and Navigator objects in the browser.

Firefox users have already been urged to install the patched version of the browser. Security monitoring company Secunia last week rated the Firefox update "highly critical," and Mozilla has pushed out updates.

If for some reason users have not upgraded, they should definitely do so, Schroepfer said.


TOPICS: Technical
KEYWORDS: exploits; firefox; patch
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"This exploit was published after we released the 1.5.0.1 update," said Mike Schroepfer, vice president of engineering at Mozilla.
1 posted on 02/09/2006 9:50:43 AM PST by ShadowAce
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To: rdb3; chance33_98; Calvinist_Dark_Lord; Bush2000; PenguinWry; GodGunsandGuts; CyberCowboy777; ...

2 posted on 02/09/2006 9:50:55 AM PST by ShadowAce (Linux -- The Ultimate Windows Service Pack)
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To: ShadowAce

This is impossible because we know that open source code is invincible. We've been told. By "They".


3 posted on 02/09/2006 9:56:09 AM PST by Uncle Miltie (Muhammed "consummated that marriage when she (Aisha) was nine years old." Bukhari vol.5:236 p.153.)
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To: ShadowAce

Wonder if ver 1.0.7 is at risk?


4 posted on 02/09/2006 9:58:11 AM PST by TexasTransplant (NEMO ME IMPUNE LACESSET)
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To: Brad Cloven
This is impossible because we know that open source code is invincible.

I keep hearing that.

< Inigo Montoya >I do not think it means what you think it means.< /Inigo Montoya >

5 posted on 02/09/2006 9:59:36 AM PST by ShadowAce (Linux -- The Ultimate Windows Service Pack)
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To: TexasTransplant
The specific flaw exists only in Firefox 1.5 and was fixed in Firefox 1.5.0.1
6 posted on 02/09/2006 9:59:53 AM PST by N3WBI3 (If SCO wants to go fishing they should buy a permit and find a lake like the rest of us..)
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To: TexasTransplant
Wonder if ver 1.0.7 is at risk?

I believe it is. I'd recommend going to 1.5.0.1

7 posted on 02/09/2006 10:00:10 AM PST by ShadowAce (Linux -- The Ultimate Windows Service Pack)
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To: N3WBI3; TexasTransplant
The specific flaw exists only in Firefox 1.5...

Arrgh! I missed that. Sorry

8 posted on 02/09/2006 10:01:01 AM PST by ShadowAce (Linux -- The Ultimate Windows Service Pack)
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To: ShadowAce
"This exploit was published after we released the 1.5.0.1 update,"

Good for them. Patch before exploits are released. Microsoft can learn from this.

9 posted on 02/09/2006 10:04:29 AM PST by antiRepublicrat
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To: ShadowAce
No problem.

Firefox automatically notified me as soon as the update was available.. ( Thursday )
My browser was updated less than 5 minutes later..

10 posted on 02/09/2006 10:04:33 AM PST by Drammach (In the kingdom of the blind, the one-eyed man is king..)
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To: ShadowAce

I was wondering why fc3 is still rinning 1.0.7 until I read this article...


11 posted on 02/09/2006 10:04:35 AM PST by N3WBI3 (If SCO wants to go fishing they should buy a permit and find a lake like the rest of us..)
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To: TexasTransplant

Probably is, but why keep using 1.0.7?


12 posted on 02/09/2006 10:05:53 AM PST by Terpfen (72-25: The Democrats mounted a failibuster!)
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To: N3WBI3

When I try to download it the dialoge box says it must go to a disc and I cannot change it. Is there a way to download it directly? Thanks


13 posted on 02/09/2006 10:07:18 AM PST by learner
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To: Terpfen

Some of us just want to use the one (RPM) that came with our distro to centralize the update service..


14 posted on 02/09/2006 10:09:10 AM PST by N3WBI3 (If SCO wants to go fishing they should buy a permit and find a lake like the rest of us..)
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To: learner

What OS are you patching it on?


15 posted on 02/09/2006 10:09:30 AM PST by N3WBI3 (If SCO wants to go fishing they should buy a permit and find a lake like the rest of us..)
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To: ShadowAce

For all those complaining about IE and Microsoft flaws...It just goes to show that ANYTING can be exploited....it's just a matter of time and popularity.


16 posted on 02/09/2006 10:11:01 AM PST by rightwingextremist1776
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To: CedarDave

FYI


17 posted on 02/09/2006 10:12:17 AM PST by Primetimedonna (Charter member of the San Francisco SnowFlakes! We love our Tony! It's SAN FRANCISCO, not Frisco.)
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To: N3WBI3

Windows XP


18 posted on 02/09/2006 10:13:59 AM PST by learner
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To: rightwingextremist1776
Except that nobody ever said that OSS software is immune to flaws, thats just something people say they hear when they want to bring a red herring to the discussion.

But I have heard people say that the architecture of a program does not matter *ONLY* its popularity and that is flat out wrong.

19 posted on 02/09/2006 10:16:46 AM PST by N3WBI3 (If SCO wants to go fishing they should buy a permit and find a lake like the rest of us..)
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To: learner

Well Im using Linux (Fedora) right now so I cant try the update but Ill see if I get time tomorrow..


20 posted on 02/09/2006 10:17:24 AM PST by N3WBI3 (If SCO wants to go fishing they should buy a permit and find a lake like the rest of us..)
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To: ShadowAce

1.5 was a piece of crap.

I installed it on all my machines and it would hog CPU time like nobody's business. Had to uninstall and go back to 1.07.

My love affair with Firefox is badly damaged. I don't trust what they're putting out anymore.


21 posted on 02/09/2006 10:18:31 AM PST by D-Chivas
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To: N3WBI3

Can't say I see the reason in that. If software offers its own update service, I say use it.

Of course, I have qualms with using Linux in the first place, so I'll be quiet.


22 posted on 02/09/2006 10:21:30 AM PST by Terpfen (72-25: The Democrats mounted a failibuster!)
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To: D-Chivas

That makes two of us. Every single time Mozilla breaks wind it breaks extensions and themes, one of the features they beat their chest about. They're screwed up the themes and extensions site so that it's a pain to keep going back and finding and reloading it all. (Used to be you could select 50 items on a page, now it's at 10 only. Yawn....)


23 posted on 02/09/2006 10:26:37 AM PST by JoJo Gunn (Help control the Leftist population. Have them spayed or neutered. ©)
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To: Terpfen

>>>"Probably is, but why keep using 1.0.7?"<<<


I don't anymore, just spent 5 minutes updating and everything still works fine.


24 posted on 02/09/2006 10:29:25 AM PST by TexasTransplant (NEMO ME IMPUNE LACESSET)
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To: D-Chivas
I installed it on all my machines and it would hog CPU time like nobody's business.

That sounds like an issue with your installation, not 1.5, especially given that there aren't many others complaining about such problems. Give 1.5.0.1 a try.
25 posted on 02/09/2006 10:29:44 AM PST by Terpfen (72-25: The Democrats mounted a failibuster!)
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To: ShadowAce
From the article, it says that it allows "an outsider could use to run code on a vulnerable PC". Does that mean it execute with user privs? It doesn't sound like you get priviledge elevation, or I would expect them to say that.

I'm also confused as to whether this is a remote-site issue like we had this January with the Microsoft WMF defect? By that, I mean, can you execute arbitrary code via a link from FR? I'm sure you could post a link to an external site and sucker people into clicking it by saying it was a poll or something though, so I guess the distinction really doesn't matter much.

26 posted on 02/09/2006 10:32:53 AM PST by zeugma (Muslims are varelse...)
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To: JoJo Gunn
Every single time Mozilla breaks wind it breaks extensions and themes, one of the features they beat their chest about.

Not really. Extensions and themes work like this: each Firefox version has its own internal version ID. Extensions and themes specify which versions of Firefox they can install on by defining a range between a minimum version (usually 0.9) and a maximum (which is usually the latest version at the time of that extension or theme's release.) Shortsighted extension/theme authors would set the maxversion in such a way as to require that extention/theme to be constantly updated whenever a new version of Firefox came out. That's not Mozilla's fault.

1.5 attempts to work around this with the four-digit version numbers. The third number represents whether or not there's been a change in the extension/theme APIs that would require code reworking, and the fourth number is the usual incremental version number. All extensions and themes should be set to a maxversion of 1.5.0.* to guarantee maximum compatibility, but again, it depends on the author.

Don't blame Mozilla for the faults of third-party stuff.
27 posted on 02/09/2006 10:35:01 AM PST by Terpfen (72-25: The Democrats mounted a failibuster!)
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To: ShadowAce

It's time for Microsoft and Firefox to fund a new class of users - internet bounty hunters.


28 posted on 02/09/2006 10:50:05 AM PST by aimhigh
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To: N3WBI3
Well Im using Linux (Fedora) right now so I cant try the update but Ill see if I get time tomorrow..
---
A matter of curiosity, since I don't use linux, why can't you download the updated version?
29 posted on 02/09/2006 11:01:37 AM PST by Cheburashka
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To: All
Open invite...Please joing other FReepers geeks "folding" here :

http://www.freerepublic.com/focus/f-chat/1572512/posts?page=131#131

BCATS


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30 posted on 02/09/2006 11:05:38 AM PST by Drango (A liberal's compassion is limited only by the size of someone else's wallet.)
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To: Cheburashka
Nothing is stopping me except preference. When you use a distro like fedora many applications like FireFox are packaged along with it. When anyone of the packages needs an update I get an alert, click update and the whole system is updated. I can also just easily schedule updates for the whole system (like WindowsUpdate).

I don't care to keep track of FireFox, OpenOffice, Gimp, and the dozens of other apps I run so I let the update agent for fedora take care of it. Until there is a seriously compelling feature, Performance enhancement, or security threat to software I'm running Ill leave it that way..

31 posted on 02/09/2006 11:09:43 AM PST by N3WBI3 (If SCO wants to go fishing they should buy a permit and find a lake like the rest of us..)
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To: D-Chivas
I'm using Firefox 1/5.0.1 on a seven year old computer, with Win98SE.
No problems running it.
I do note that if you are going to websites with a lot of graphics, Firefox 1.5.0.1 lags behind Internet Explorer. But that was true of all the 1.x versions as well.
You might want to check your computer to see if there is some other problem.
32 posted on 02/09/2006 11:10:11 AM PST by Cheburashka
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To: Primetimedonna

Thanks. See post #10 -- If option is turned on (by default it should be) Firefox will notify automatically if an update is available.


33 posted on 02/09/2006 11:14:13 AM PST by CedarDave ("There is a difference between responsible criticism that aims for success, and defeatism...W - SOTU)
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To: Terpfen
Don't blame Mozilla for the faults of third-party stuff.

And just who designed it that way? Who designed it for third party stuff? It makes absolutely no sense to have to find another extension because 1.5.0 changed to 1.5.0.1

If I'd been an extension writer, I'd have long ago given up on trying to keep up with the changes, and some have.

34 posted on 02/09/2006 12:38:28 PM PST by JoJo Gunn (Help control the Leftist population. Have them spayed or neutered. ©)
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To: JoJo Gunn

Actually, the version number for the 1.5.0 series is 1.5.0.*. There's a reason why most extensions haven't broken after 1.5.0.1 was released.

Windows allows third-party programs to run: does that mean I should be angry with Microsoft when Photoshop screws up? If not, why should I be angry with Mozilla when Adblock screws up?

Redirect your anger. Or just install the Nightly Tester Tools extension, use its Force Extension Compatibility feature, and be at ease.


35 posted on 02/09/2006 12:52:48 PM PST by Terpfen (72-25: The Democrats mounted a failibuster!)
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To: Terpfen

Don't give me any lectures, fanboi. I can get that garbage at the MoZine forum.


36 posted on 02/09/2006 12:56:13 PM PST by JoJo Gunn (Help control the Leftist population. Have them spayed or neutered. ©)
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To: JoJo Gunn

Facts are now lectures? Huh.


37 posted on 02/09/2006 1:09:29 PM PST by Terpfen (72-25: The Democrats mounted a failibuster!)
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To: Terpfen

I'll give some facts to an adolescent "Mozilla can do no wrong" fanboi.

Mozilla is not ready for Prime Time and never will be. It's only a curiosity for geeks. For close to a year there was a major flaw, where uninstalling Firefox took out the whole frickin' Program Files folder with it. Mozilla should have dropped everything right then and there to address it, but they didn't, and that spoke volumes to me.

To this day there's still RAM problems. The MoZine forum is loaded with threads about lost bookmarks and posts from peckerheads who say it's always the fault of the user. There were some good themes and extensions from the 0.8 days that you can't find any longer because the writers got tired of the crap about having to break it all down whenever Mozilla changed a decimal point.

Why should I sing the praises of something like that? You get Firefox set up the way you like it, and in no time you'll have to raise the hood and tinker tinker tinker, and if you need help you'll damn sure not get it from a forum run over with know-it-all zit farmers.

I gave them their chance. Adblock and Flashblock is all they have left in their favor.


38 posted on 02/09/2006 1:24:47 PM PST by JoJo Gunn (Help control the Leftist population. Have them spayed or neutered. ©)
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To: JoJo Gunn
Wow. You sure sound like someone put a gun to your head and made you use firefox against your will.

BTW: I have been using firefox since version .3, (when it was still called phoenix i believe), yet someohow I managed to still have the same bookmark file that I've been using for more than 10 years now, though it gets larger every year. I don't know of any IE users who can say the same.

39 posted on 02/09/2006 1:44:17 PM PST by zeugma (Muslims are varelse...)
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To: zeugma

Show me where I said I never had a choice.


40 posted on 02/09/2006 1:58:43 PM PST by JoJo Gunn (Help control the Leftist population. Have them spayed or neutered. ©)
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To: JoJo Gunn
JoJo, If you were a goood extension writer you would write some of your extensions so that the 0.0.0.1 version change would not adversly affect it. When I upgraded my windows box I had to replace not *1* extension (I use about 4).

I think writing software so that its easy to interface with for a third party is a good thing! Now maybe they need a separate project at mozilla to certify the cream from the crap in the extensions pile but its certainly not the job of the people who code FireFox itself.

If I'd been an extension writer, I'd have long ago given up on trying to keep up with the changes, and some have.

And others have written extensions that survive a version change.

41 posted on 02/09/2006 2:13:59 PM PST by N3WBI3 (If SCO wants to go fishing they should buy a permit and find a lake like the rest of us..)
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To: JoJo Gunn

Spoken with all the zealotry and bitterness I'd expect.

Good day.


42 posted on 02/09/2006 2:16:48 PM PST by Terpfen (72-25: The Democrats mounted a failibuster!)
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To: JoJo Gunn
The venom in post #38 sure would lead someone to suspect that was the case.

Also "Mozilla is not ready for Prime Time and never will be. " is a pretty sweeping statement. One tends to wonder what is behind such comments.

43 posted on 02/09/2006 2:19:02 PM PST by zeugma (Muslims are varelse...)
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To: JoJo Gunn
Mozilla is not ready for Prime Time and never will be.

Because some poorly written third party software breaks FireFox itself is not ready?

It's only a curiosity for geeks.

A 10% market share says differently, with the exception of IE it is bigger than every browser out there *PUT TOGETHER*. But Im am sure to you there is only one browser and bill gates is its Profit.

For close to a year there was a major flaw, where uninstalling Firefox took out the whole frickin' Program Files folder with it.

So because it *used* to have a flaw its not now ready for prime time? wow!

Why should I sing the praises of something like that?

Who asked you to? my question is why are you trolling FR threads and, apparently, MoZine for something you dont use and dont like?

44 posted on 02/09/2006 2:19:38 PM PST by N3WBI3 (If SCO wants to go fishing they should buy a permit and find a lake like the rest of us..)
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To: antiRepublicrat

What an ignorant statement.


45 posted on 02/09/2006 2:45:23 PM PST by Doohickey (If you choose not to decide, you still have made a choice...I will choose freewill.)
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To: Doohickey
What an ignorant statement.

Accurate after the recent WMF fiasco.

46 posted on 02/09/2006 2:49:11 PM PST by antiRepublicrat
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To: N3WBI3

Ooooh la la! All of a sudden I have three fanbois on my back, alluding that I'm some kind of MS troll. If the fanbois would'nt get so frenzied they might check out my posts over the years concerning Mozilla, my fights with Bush2000, etc.

All you guys are doing is making my point for me. I or anyone else need not go to MoZine to find the zit farmers who knows all.

Firefox is not ready for the general populace. It's still a lab rat.

Live with it.


47 posted on 02/09/2006 2:57:45 PM PST by JoJo Gunn (Help control the Leftist population. Have them spayed or neutered. ©)
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To: JoJo Gunn
alluding that I'm some kind of MS troll.

I don't think you're an MS troll, I never said so... I asked if you don't use firefox and hate firefox why are you here and why do you spend so much time on MoZine?

All you guys are doing is making my point for me.

Hmm what point would that be, people here have asked question and gotten at worst "Ill have to look at that later but Ill check it out for you". You OTOH came spoiling for a fight.

Firefox is not ready for the general populace.

Based on what? some people have written bad third party software for it? the fact that when it was beta more than a year ago the upgrade utility was poorly implemented? the fact that they dont lock people out of interfacing and writing extensions for it? or the fact it has a higher market share than every browser on the market except IE?

48 posted on 02/09/2006 3:10:50 PM PST by N3WBI3 (If SCO wants to go fishing they should buy a permit and find a lake like the rest of us..)
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To: Terpfen
Don't blame Mozilla for the faults of third-party stuff.

Why not?  That's the standard for blaming Microsoft.

49 posted on 02/09/2006 3:12:32 PM PST by Psycho_Bunny (I don't capitalize "barbarian" so why capitalize "muslim"?)
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To: D-Chivas; Terpfen
That sounds like an issue with your installation, not 1.5, especially given that there aren't many others complaining about such problems. Give 1.5.0.1 a try.

Could be a third-party installation problem. On a Linux forum this week, I saw someone complaining of problems with 1.5.0.1. Turned out they installed from a third-party, rather than from Mozilla directly. Problems cleared up with the new official installation.
50 posted on 02/09/2006 3:13:51 PM PST by clyde asbury (Belief suspending)
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