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Contributed by: Lauren Gerber
Date: June 5, 2009
Lauren Gerber
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Microsoft Vulnerability Related to the Displaying of Unprintable Characters

 

Welcome yet another wonderful, special and exciting vulnerability that is causing users chaos. This vulnerability pertains to none other than Microsoft Internet Explorer 7 as well as 8 on Windows XP and Windows Vista. The risk factors with regard to this specific Microsoft vulnerability is a denial of service attack.

How does this dangerous vulnerability occur? That is an ex0Microsoft.jpgcellent question ladies and gentlemen, and I shall explain it to you as best as I can. When you go to a manipulated web page, your browser may suddenly freeze. This is set up on purpose. Basically what your attacker is waiting for you to do, is to go to your Task Manager and stop it, which when you do so, will automatically launch another process and then proceed to go back to the same web page, and hence the cycle continues.

Do you see the genius in this? The extent to which malicious individuals will go in order for you to get trapped so they can exploit a vulnerability is quite remarkable. It is suspected but hasn't been adequately confirmed that it is actually related to the displaying of unprintable characters with regard to Windows XP and Vista.

Windows Vista is an operating system, as we all know, created by Microsoft. It can be used on personal computers, media centers, laptops as well as business desktops etc. Windows Vista provides its users with many new and exciting features as well as an updated graphical user interface.Microsoft_again.jpg

Some of the files which pertain to Windows Vista may include but are not limited to the following:
mrt.exe, memtest.exe, setuposk.exe, rollback.exe, msmig.exe as well as bootsect.exe.
Unfortunately the impact of this vulnerability is directly related the possibility of a denial of service attack. If this vulnerability is exploited successfully, then it will allow malicious individuals to actually break up an entire service. This disruption of service attack could cause extreme havoc to your system.

It may be a good idea for users to be aware of this vulnerability and to use the latest updates and patches. I would like to add a friendly reminder to everyone that updating your software regularly is crucial for the safety and security of your system. It can thus be quoted in conclusion:"The only truly secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards." - Gene Spafford

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