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Minor improvement of error-based SQLi when trimmed output is detected (trying to reconstruct)

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This commit is contained in:
Miroslav Stampar 2014-11-05 10:46:11 +01:00
parent 71c43be53a
commit a074efe75e
1 changed files with 5 additions and 1 deletions
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6
lib/techniques/error/use.py
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@ -74,7 +74,7 @@ def _oneShotErrorUse(expression, field=None):
try: try:
while True: while True:
check = "%s(?P<result>.*?)%s" % (kb.chars.start, kb.chars.stop) check = "%s(?P<result>.*?)%s" % (kb.chars.start, kb.chars.stop)
trimcheck = "%s(?P<result>.*?)</" % (kb.chars.start) trimcheck = "%s(?P<result>[^<]*)" % (kb.chars.start)
if field: if field:
nulledCastedField = agent.nullAndCastField(field) nulledCastedField = agent.nullAndCastField(field)
@ -130,6 +130,10 @@ def _oneShotErrorUse(expression, field=None):
warnMsg += safecharencode(trimmed) warnMsg += safecharencode(trimmed)
logger.warn(warnMsg) logger.warn(warnMsg)
if not kb.testMode:
check = "(?P<result>.*?)%s" % kb.chars.stop[:2]
output = extractRegexResult(check, trimmed, re.IGNORECASE)
if any(Backend.isDbms(dbms) for dbms in (DBMS.MYSQL, DBMS.MSSQL)): if any(Backend.isDbms(dbms) for dbms in (DBMS.MYSQL, DBMS.MSSQL)):
if offset == 1: if offset == 1:
retVal = output retVal = output