This commit is contained in:
Miroslav Stampar 2019-07-11 12:40:56 +02:00
parent c1ae1b432e
commit c3a95e81f5
3 changed files with 26 additions and 90 deletions

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@ -18,7 +18,7 @@ from lib.core.enums import OS
from thirdparty.six import unichr as _unichr
# sqlmap version (<major>.<minor>.<month>.<monthly commit>)
VERSION = "1.3.7.18"
VERSION = "1.3.7.19"
TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)

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@ -10,7 +10,6 @@ import re
from lib.core.common import singleTimeWarnMessage
from lib.core.common import zeroDepthSearch
from lib.core.compat import xrange
from lib.core.enums import DBMS
from lib.core.enums import PRIORITY
@ -35,51 +34,22 @@ def tamper(payload, **kwargs):
>>> tamper('SELECT CHAR(113)+CHAR(114)+CHAR(115) FROM DUAL')
'SELECT CONCAT(CHAR(113),CHAR(114),CHAR(115)) FROM DUAL'
>>> tamper('SELECT (CHAR(113)+CHAR(114)+CHAR(115)) FROM DUAL')
'SELECT CONCAT(CHAR(113),CHAR(114),CHAR(115)) FROM DUAL'
>>> tamper('1 UNION ALL SELECT NULL,NULL,CHAR(113)+CHAR(118)+CHAR(112)+CHAR(112)+CHAR(113)+ISNULL(CAST(@@VERSION AS NVARCHAR(4000)),CHAR(32))+CHAR(113)+CHAR(112)+CHAR(107)+CHAR(112)+CHAR(113)-- qtfe')
'1 UNION ALL SELECT NULL,NULL,CONCAT(CHAR(113),CHAR(118),CHAR(112),CHAR(112),CHAR(113),ISNULL(CAST(@@VERSION AS NVARCHAR(4000)),CHAR(32)),CHAR(113),CHAR(112),CHAR(107),CHAR(112),CHAR(113))-- qtfe'
"""
retVal = payload
if payload:
prefix, suffix = '+' * len(re.search(r"\A(\+*)", payload).group(0)), '+' * len(re.search(r"(\+*)\Z", payload).group(0))
retVal = retVal.strip('+')
while True:
indexes = zeroDepthSearch(retVal, '+')
if indexes:
first, last = 0, 0
for i in xrange(1, len(indexes)):
if ' ' in retVal[indexes[0]:indexes[i]]:
break
else:
last = i
start = retVal[:indexes[first]].rfind(' ') + 1
end = (retVal[indexes[last] + 1:].find(' ') + indexes[last] + 1) if ' ' in retVal[indexes[last] + 1:] else len(retVal) - 1
chars = [char for char in retVal]
for index in indexes[first:last + 1]:
chars[index] = ','
retVal = "%sCONCAT(%s)%s" % (retVal[:start], ''.join(chars)[start:end], retVal[end:])
else:
match = re.search(r"\((CHAR\(\d+.+\bCHAR\(\d+\))\)", retVal)
match = re.search(r"('[^']+'|CHAR\(\d+\))\+.*(?<=\+)('[^']+'|CHAR\(\d+\))", retVal)
if match:
part = match.group(0)
indexes = set(zeroDepthSearch(match.group(1), '+'))
if not indexes:
break
chars = [char for char in part]
for i in xrange(1, len(chars)):
if i - 1 in indexes:
chars[i] = ','
replacement = "CONCAT%s" % "".join(chars)
retVal = retVal.replace(part, replacement)
else:
break
retVal = "%s%s%s" % (prefix, retVal, suffix)
chars = [char for char in part]
for index in zeroDepthSearch(part, '+'):
chars[index] = ','
replacement = "CONCAT(%s)" % "".join(chars)
retVal = retVal.replace(part, replacement)
return retVal

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@ -36,63 +36,29 @@ def tamper(payload, **kwargs):
>>> tamper('SELECT CHAR(113)+CHAR(114)+CHAR(115) FROM DUAL')
'SELECT {fn CONCAT({fn CONCAT(CHAR(113),CHAR(114))},CHAR(115))} FROM DUAL'
>>> tamper('SELECT (CHAR(113)+CHAR(114)+CHAR(115)) FROM DUAL')
'SELECT {fn CONCAT({fn CONCAT(CHAR(113),CHAR(114))},CHAR(115))} FROM DUAL'
>>> tamper('1 UNION ALL SELECT NULL,NULL,CHAR(113)+CHAR(118)+CHAR(112)+CHAR(112)+CHAR(113)+ISNULL(CAST(@@VERSION AS NVARCHAR(4000)),CHAR(32))+CHAR(113)+CHAR(112)+CHAR(107)+CHAR(112)+CHAR(113)-- qtfe')
'1 UNION ALL SELECT NULL,NULL,{fn CONCAT({fn CONCAT({fn CONCAT({fn CONCAT({fn CONCAT({fn CONCAT({fn CONCAT({fn CONCAT({fn CONCAT({fn CONCAT(CHAR(113),CHAR(118))},CHAR(112))},CHAR(112))},CHAR(113))},ISNULL(CAST(@@VERSION AS NVARCHAR(4000)),CHAR(32)))},CHAR(113))},CHAR(112))},CHAR(107))},CHAR(112))},CHAR(113))}-- qtfe'
"""
retVal = payload
if payload:
prefix, suffix = '+' * len(re.search(r"\A(\+*)", payload).group(0)), '+' * len(re.search(r"(\+*)\Z", payload).group(0))
retVal = retVal.strip('+')
while True:
indexes = zeroDepthSearch(retVal, '+')
if indexes:
first, last = 0, 0
for i in xrange(1, len(indexes)):
if ' ' in retVal[indexes[0]:indexes[i]]:
break
else:
last = i
start = retVal[:indexes[first]].rfind(' ') + 1
end = (retVal[indexes[last] + 1:].find(' ') + indexes[last] + 1) if ' ' in retVal[indexes[last] + 1:] else len(retVal) - 1
count = 0
chars = [char for char in retVal]
for index in indexes[first:last + 1]:
if count == 0:
chars[index] = ','
else:
chars[index] = '\x01'
count += 1
retVal = "%s%s%s)}%s" % (retVal[:start], "{fn CONCAT(" * count, ''.join(chars)[start:end].replace('\x01', ")},"), retVal[end:])
else:
match = re.search(r"\((CHAR\(\d+.+\bCHAR\(\d+\))\)", retVal)
match = re.search(r"('[^']+'|CHAR\(\d+\))\+.*(?<=\+)('[^']+'|CHAR\(\d+\))", retVal)
if match:
part = match.group(0)
indexes = set(zeroDepthSearch(match.group(1), '+'))
if not indexes:
break
old = match.group(0)
parts = []
last = 0
count = 0
chars = [char for char in part]
for i in xrange(1, len(chars)):
if i - 1 in indexes:
if count == 0:
chars[i] = ','
else:
chars[i] = '\x01'
count += 1
for index in zeroDepthSearch(old, '+'):
parts.append(old[last:index].strip('+'))
last = index
replacement = "%s%s}" % (("{fn CONCAT(" * count)[:-1], "".join(chars).replace('\x01', ")},"))
retVal = retVal.replace(part, replacement)
else:
break
parts.append(old[last:].strip('+'))
replacement = parts[0]
retVal = "%s%s%s" % (prefix, retVal, suffix)
for i in xrange(1, len(parts)):
replacement = "{fn CONCAT(%s,%s)}" % (replacement, parts[i])
retVal = retVal.replace(old, replacement)
return retVal