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11-02-05 12:59 PM
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Acmlm's Board - I2 Archive - Hardware/Software - Big Windoze security hole. Again. | |
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HyperLamer
<||bass> and this was the soloution i thought of that was guarinteed to piss off the greatest amount of people

Sesshomaru
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Posted on 10-12-04 02:17 PM Link | Quote
Be careful opening JPEGs from now on.
I just knew someone would find an exploit in image files sooner or later. I just wonder what programs are affected by it?
Kitten Yiffer

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Posted on 10-12-04 02:23 PM Link | Quote
...downloaded the fix against it severeal days ago.

"To fall victim to the poisoned pictures, users must view it using Windows Explorer. "
And guess what's one of the most used things in Windows XP for many picture collectors? >.>

...I do wonder if there is yet another format that can work as a program. Midi files was another one with a big security threat. Which was fixed awhile ago thought.


(edited by Kitten Yiffer on 10-12-04 05:34 AM)
HyperLamer
<||bass> and this was the soloution i thought of that was guarinteed to piss off the greatest amount of people

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Posted on 10-12-04 02:27 PM Link | Quote
Erm, Windows Explorer as in the file browser, not IE. It's got that little preview box.

Really, any format that contains strings can be exploited if the program doesn't check its buffers (which Windoze does pretty rarely), and a lot of them do for headers and such.


(edited by HyperHacker on 10-12-04 05:27 AM)
Kitten Yiffer

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Posted on 10-12-04 02:32 PM Link | Quote
...I misread that as Internet explorer. Blame on this blurry screen.

Still, I use that preview thing alot in Windows explorer. So I can see why it's a problem. Hell include a infected file in a "picture collection", some people download big zip/rar with... art.
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Posted on 10-12-04 10:30 PM Link | Quote
My Win XP SP2 is up to date - I installed SP2 right after installation of Windows itself, offline from a SP2 CD. That was on last Tuesday ... and then only one update was left on Windows Update. Installed it - hoping to feel somehow sure.

Windows is just like Swiss Cheese ... full of holes. Now even harmless image files can cause damage

Well, I have my SuSe Linux 9.0 CD here and on E:\, there are 25 GB free ... but I'm too lazy too install and afraid, I can't get my old internal ISDN working in Linux
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Posted on 10-13-04 01:51 AM Link | Quote
Already downloaded when I installed XP. But it's good to know.... I hate those idiots who think that making harm to a computer is fun. Because some people have to spend money after their attack
neotransotaku

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Posted on 10-13-04 02:16 AM Link | Quote
Originally posted by Surlent
Windows is just like Swiss Cheese ... full of holes. Now even harmless image files can cause damage


I think it is more of the fact that it is know that JPEG files can carry viruses. This is why (as far as I know) no other picture format is dangerous. So yeah, it is because JPEGs can carry code which is why this exploit is now, well...an exploit.
FreeDOS

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Posted on 10-13-04 03:28 AM Link | Quote
the JPEG format stores the compression algorithm in the file. JPEG viewers simply run the function in the file. This allows exploitation.

BTW, yes, JPEGs can be lossless. Yes, some exist.
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Posted on 10-13-04 04:34 AM Link | Quote
A few post ago, it said that I had the updates. Now, Windows Update is downloading SP2, thus waisting the remaining of my monthly bandwidth. I wanted to download other things.

But yes, this won't do any harm to me.
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Posted on 10-13-04 09:31 AM Link | Quote
The Windows JPEG decoder is not the only Windows graphics file decoder that has been found to be exploitable. Back when a portion of the Windows source code was leaked, an exploitable bug was found in the BMP RLE decoder.
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Posted on 10-13-04 12:20 PM Link | Quote
Unbelievable. Now Windows can be infected by a frickin' PICTURE.

I'm never, ever touching IE again.
HyperLamer
<||bass> and this was the soloution i thought of that was guarinteed to piss off the greatest amount of people

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Posted on 10-13-04 12:56 PM Link | Quote
...You're kidding right?
The decompression code is IN THE FILE.
You have to be kidding. That is the stupidest idea EVER.
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Posted on 10-13-04 01:06 PM Link | Quote
Seriously... I don't feel threatened. But I pretty much don't care about any security stuff... If my PC gets a problem: Online virus scanner or Format C: (I don't have Norton Ghost )
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Posted on 10-13-04 02:07 PM Link | Quote
Originally posted by Kieran
Seriously... I don't feel threatened. But I pretty much don't care about any security stuff... If my PC gets a problem: Online virus scanner or Format C: (I don't have Norton Ghost )

You ought to be happy you didn't got infected with MS Blast or Agobot. I hope you have at least the Windows Firewall enabled ... although it is, like most of the desktop firewalls, only partially effective against attacks

The last one is really evil and uses a combination of different backdoors, open ports and exploits - I know some people getting it: They had to format and reinstall Windoze XP to get rid of Agobot
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Posted on 10-13-04 02:28 PM Link | Quote
Originally posted by Surlent
I hope you have at least the Windows Firewall enabled ...
I don't...
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Posted on 10-13-04 02:43 PM Link | Quote
Heh, I heard about this, I find it... interesting. I wonder how many people have been affected? There are exploits out in the wild already, a trojan one in particular, and I know people who have been infected.

Well.... I guess the old saying about how "you can't get a virus just by looking at porn" is no longer true -- at least on the internet level.
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Posted on 10-13-04 11:37 PM Link | Quote
Originally posted by HyperHacker
...You're kidding right?
The decompression code is IN THE FILE.
You have to be kidding. That is the stupidest idea EVER.


Would you be surprised to learn that TrueType fonts have embedded code in them?

If JPEG files really have code in them(I doubt that, but I have not read the specs), then the code is certainly executed by an interpreter.
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Posted on 10-14-04 02:01 AM Link | Quote
Windows isn't secure? SHOCKER!
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Posted on 10-14-04 02:05 AM Link | Quote
Originally posted by BMF54123

I'm never, ever touching IE again.


We now need to make a few thousand people do the same.
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Posted on 10-15-04 01:19 AM Link | Quote
Windows is the most used O.S., but it have got more security holes than the "The Matrix" movies had plot holes... Data does not compute... :/
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