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improving "boolean detection" by automatic recognition of convenient --string candidate

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This commit is contained in:
Miroslav Stampar 2012-04-10 21:48:34 +00:00
parent 698b7a15d9
commit 119eec3598
5 changed files with 32 additions and 3 deletions
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12
lib/controller/checks.py
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@ -17,6 +17,7 @@ from lib.core.common import arrayizeValue
from lib.core.common import Backend
from lib.core.common import beep
from lib.core.common import extractRegexResult
from lib.core.common import extractTextTagContent
from lib.core.common import findDynamicContent
from lib.core.common import Format
from lib.core.common import getComparePageRatio
@ -329,9 +330,11 @@ def checkSqlInjection(place, parameter, value):
kb.matchRatio = None
kb.negativeLogic = (where == PAYLOAD.WHERE.NEGATIVE)
Request.queryPage(genCmpPayload(), place, raise404=False)
falsePage = threadData.lastComparisonPage
# Perform the test's True request
trueResult = Request.queryPage(reqPayload, place, raise404=False)
truePage = threadData.lastComparisonPage
if trueResult:
falseResult = Request.queryPage(genCmpPayload(), place, raise404=False)
@ -342,6 +345,15 @@ def checkSqlInjection(place, parameter, value):
logger.info(infoMsg)
injectable = True
else:
trueSet = set(extractTextTagContent(truePage))
falseSet = set(extractTextTagContent(falsePage))
candidate = reduce(lambda x, y: x or (y.strip() if y.strip() in (kb.pageTemplate or "") else None), (trueSet - falseSet), None)
if candidate:
conf.string = candidate
infoMsg = "%s parameter '%s' is '%s' injectable (with --string='%s')" % (place, parameter, title, candidate)
logger.info(infoMsg)
injectable = True
# In case of error-based SQL injection
elif method == PAYLOAD.METHOD.GREP: