#!/usr/bin/env python
"""
Copyright (c) 2006-2020 sqlmap developers (http://sqlmap.org/)
See the file 'LICENSE' for copying permission
"""
import re
from lib.core.common import Backend
from lib.core.common import Format
from lib.core.common import hashDBRetrieve
from lib.core.common import hashDBWrite
from lib.core.compat import xrange
from lib.core.convert 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 FORK
from lib.core.enums import HASHDB_KEYS
from lib.core.enums import OS
from lib.core.session import setDbms
from lib.core.settings import MYSQL_ALIASES
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
# Reference: https://downloads.mysql.com/archives/community/
# Reference: https://dev.mysql.com/doc/relnotes/mysql/<major>.<minor>/en/
versions = (
(80000, 80021), # MySQL 8.0
(60000, 60014), # MySQL 6.0
(50700, 50731), # MySQL 5.7
(50600, 50649), # MySQL 5.6
(50500, 50563), # MySQL 5.5
(50400, 50404), # MySQL 5.4
(50100, 50174), # MySQL 5.1
(50000, 50097), # MySQL 5.0
(40100, 40131), # MySQL 4.1
(40000, 40032), # MySQL 4.0
(32300, 32359), # MySQL 3.23
(32200, 32235), # MySQL 3.22
)
found = False
for candidate in versions:
result = inject.checkBooleanExpression("[RANDNUM]=[RANDNUM]/*!%d AND [RANDNUM1]=[RANDNUM2]*/" % candidate[0])
if not result:
found = True
break
if found:
for version in xrange(candidate[1], candidate[0] - 1, -1):
version = getUnicode(version)
result = inject.checkBooleanExpression("[RANDNUM]=[RANDNUM]/*!%s AND [RANDNUM1]=[RANDNUM2]*/" % version)
if not result:
if version[0] == "3":
midVer = version[1:3]
else:
midVer = version[2]
trueVer = "%s.%s.%s" % (version[0], midVer, version[3:])
return trueVer
return None
def getFingerprint(self):
fork = hashDBRetrieve(HASHDB_KEYS.DBMS_FORK)
if fork is None:
if inject.checkBooleanExpression("VERSION() LIKE '%MariaDB%'"):
fork = FORK.MARIADB
elif inject.checkBooleanExpression("VERSION() LIKE '%TiDB%'"):
fork = FORK.TIDB
elif inject.checkBooleanExpression("@@VERSION_COMMENT LIKE '%drizzle%'"):
fork = FORK.DRIZZLE
elif inject.checkBooleanExpression("@@VERSION_COMMENT LIKE '%Percona%'"):
fork = FORK.PERCONA
elif inject.checkBooleanExpression("AURORA_VERSION() LIKE '%'"): # Reference: https://aws.amazon.com/premiumsupport/knowledge-center/aurora-version-number/
fork = FORK.AURORA
else:
fork = ""
hashDBWrite(HASHDB_KEYS.DBMS_FORK, fork)
value = ""
wsOsFp = Format.getOs("web server", kb.headersFp)
if wsOsFp and not conf.api:
value += "%s\n" % wsOsFp
if kb.data.banner:
dbmsOsFp = Format.getOs("back-end DBMS", kb.bannerFp)
if dbmsOsFp and not conf.api:
value += "%s\n" % dbmsOsFp
value += "back-end DBMS: "
actVer = Format.getDbms()
if not conf.extensiveFp:
value += actVer
if fork:
value += " (%s fork)" % fork
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.get("dbmsVersion")
if banVer:
if banVer and re.search(r"-log$", kb.data.banner or ""):
banVer += ", logging enabled"
banVer = Format.getDbms([banVer])
value += "\n%sbanner parsing fingerprint: %s" % (blank, banVer)
htmlErrorFp = Format.getErrorParsedDBMSes()
if htmlErrorFp:
value += "\n%shtml error message fingerprint: %s" % (blank, htmlErrorFp)
if fork:
value += "\n%sfork fingerprint: %s" % (blank, fork)
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):
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("SESSION_USER() LIKE USER()")
if not result:
# Note: MemSQL doesn't support SESSION_USER()
result = inject.checkBooleanExpression("GEOGRAPHY_AREA(NULL) IS NULL")
if result:
hashDBWrite(HASHDB_KEYS.DBMS_FORK, FORK.MEMSQL)
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 >= 8.0.0
if inject.checkBooleanExpression("ISNULL(JSON_STORAGE_FREE(NULL))"):
kb.data.has_information_schema = True
Backend.setVersion(">= 8.0.0")
setDbms("%s 8" % DBMS.MYSQL)
self.getBanner()
# Determine if it is MySQL >= 5.0.0
elif inject.checkBooleanExpression("ISNULL(TIMESTAMPADD(MINUTE,[RANDNUM],NULL))"):
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 >= 5.7
if inject.checkBooleanExpression("ISNULL(JSON_QUOTE(NULL))"):
Backend.setVersion(">= 5.7")
# Check if it is MySQL >= 5.6
elif inject.checkBooleanExpression("ISNULL(VALIDATE_PASSWORD_STRENGTH(NULL))"):
Backend.setVersion(">= 5.6")
# Check if it is MySQL >= 5.5
elif inject.checkBooleanExpression("TO_SECONDS(950501)>0"):
Backend.setVersion(">= 5.5")
# 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"])
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)