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Implementation for an Issue #204

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This commit is contained in:
Miroslav Stampar 2012-10-16 10:24:05 +02:00
parent 8b57e1fce6
commit 9ad58cb531
1 changed files with 19 additions and 13 deletions
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12
lib/controller/checks.py
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@ -586,22 +586,28 @@ def checkFalsePositives(injection):
return int(randomInt(2)) + 1
kb.injection = injection
randInt1, randInt2, randInt3 = (_() for i in xrange(3))
# Simple arithmetic operations which should show basic
# arithmetic ability of the backend if it's really injectable
for i in xrange(1 + conf.level / 2):
randInt1, randInt2, randInt3 = (_() for j in xrange(3))
# Just in case (also, they have to be different than 0 because of the last test)
while randInt1 == randInt2:
randInt2 = _()
# Simple arithmetic operations which should show basic
# arithmetic ability of the backend if it's really injectable
if not checkBooleanExpression("(%d+%d)=%d" % (randInt1, randInt2, randInt1 + randInt2)):
retVal = None
break
elif checkBooleanExpression("%d>(%d+%d)" % (min(randInt1, randInt2), randInt3, max(randInt1, randInt2))):
retVal = None
break
elif checkBooleanExpression("(%d+%d)>%d" % (randInt3, min(randInt1, randInt2), randInt1 + randInt2 + randInt3)):
retVal = None
break
elif not checkBooleanExpression("%d=(%d+%d)" % (randInt1 + randInt2, randInt1, randInt2)):
retVal = None
break
if retVal is None:
warnMsg = "false positive or unexploitable injection point detected"