sqlmap/plugins/dbms/mysql/fingerprint.py

287 lines
11 KiB
Python

#!/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)
randInt = randomInt()
result = inject.checkBooleanExpression("%d=%d/* NoValue */" % (randInt, randInt))
if not result:
warnMsg = "unable to perform MySQL comment injection"
logger.warn(warnMsg)
return None
# MySQL valid versions updated on 01/2010
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, 50154), # MySQL 5.1
(50400, 50404), # MySQL 5.4
(50500, 50509), # MySQL 5.5
(60000, 60014), # MySQL 6.0
)
index = -1
for i in xrange(len(versions)):
element = versions[i]
version = element[0]
randInt = randomInt()
version = getUnicode(version)
result = inject.checkBooleanExpression("%d=%d/*!%s AND %d=%d*/" % (randInt, randInt, version, randInt, randInt + 1))
if result:
break
else:
index += 1
if index >= 0:
prevVer = None
for version in range(versions[index][0], versions[index][1] + 1):
randInt = randomInt()
version = getUnicode(version)
result = inject.checkBooleanExpression("%d=%d/*!%s AND %d=%d*/" % (randInt, randInt, version, randInt, randInt + 1))
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 inject.checkBooleanExpression("@@character_set_filesystem=@@character_set_filesystem"):
kb.dbmsVersion = [">= 5.0.19", "< 5.0.38"]
elif not inject.checkBooleanExpression("%s=(SELECT %s FROM DUAL WHERE %s!=%s)" % (randInt, randInt, randInt, randInt)):
kb.dbmsVersion = [">= 5.0.11", "< 5.0.19"]
elif inject.checkBooleanExpression("@@div_precision_increment=@@div_precision_increment"):
kb.dbmsVersion = [">= 5.0.6", "< 5.0.11"]
elif inject.checkBooleanExpression("@@automatic_sp_privileges=@@automatic_sp_privileges"):
kb.dbmsVersion = [">= 5.0.3", "< 5.0.6"]
else:
kb.dbmsVersion = [">= 5.0.0", "< 5.0.3"]
# 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(LOWER(CURRENT_USER()), UPPER(CURRENT_USER()))=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)