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

[Cove Schneider <cove () wildpackets com>]

Spoke too soon. Safari eventually become responsive after a while.

On Tuesday, April 29, 2003, at 11:23 AM, ERRor wrote:

> 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
>
> After opening freeze.htm IE will hang with 100% CPU usage until 
> IEXPLORE.EXE
> process is not killed. Two bytes (0xff 0xfe) at the beginning of the 
> file
> mean that
> the encoding is unicode. So the internal unicode representation of the 
> CR LF
> sequence
> will look like 0D0A0D0A but not 000D000A (if the file was a plain 
> ASCII).
> Tested on IE 6.0 with all fixes, i think other versions also 
> vulnerable.
>
>
> Best Regards, ERRor, dHtm.
> P.S. greets to .einstein. and dHtm