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Fixes #3100

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This commit is contained in:
Miroslav Stampar
2018-05-17 23:07:52 +02:00
parent d5627fdf1b
commit 331ccc5549
4 changed files with 11 additions and 5 deletions
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5
lib/techniques/blind/inference.py
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@@ -69,6 +69,9 @@ def bisection(payload, expression, length=None, charsetType=None, firstChar=None
finalValue = None
retrievedLength = 0
if payload is None:
return 0, None
if charsetType is None and conf.charset:
asciiTbl = sorted(set(ord(_) for _ in conf.charset))
else:
@@ -187,7 +190,7 @@ def bisection(payload, expression, length=None, charsetType=None, firstChar=None
with hintlock:
hintValue = kb.hintValue
if hintValue is not None and len(hintValue) >= idx:
if payload is not None and hintValue is not None and len(hintValue) >= idx:
if Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.ACCESS, DBMS.MAXDB, DBMS.DB2):
posValue = hintValue[idx - 1]
else: