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Unbiased approach for searching appropriate usable column

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This commit is contained in:
Miroslav Stampar 2011-02-07 21:00:59 +00:00
parent f958b21613
commit 66adf23532
1 changed files with 7 additions and 1 deletions
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8
lib/techniques/inband/union/test.py
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@ -7,6 +7,7 @@ Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
See the file 'doc/COPYING' for copying permission
"""
import random
import re
import time
@ -98,10 +99,15 @@ def __unionPosition(comment, place, parameter, value, prefix, suffix, count, whe
validPayload = None
vector = None
positions = range(0, count)
# Unbiased approach for searching appropriate usable column
random.shuffle(positions)
# For each column of the table (# of NULL) perform a request using
# the UNION ALL SELECT statement to test it the target url is
# affected by an exploitable inband SQL injection vulnerability
for position in range(count-1, 0, -1):
for position in positions:
# Prepare expression with delimiters
randQuery = randomStr()
phrase = "%s%s%s" % (kb.misc.start, randQuery, kb.misc.stop)