2019-05-08 12:47:52 +02:00
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#!/usr/bin/env python
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2011-06-09 09:38:07 +00:00
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"""
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2024-01-03 23:11:52 +01:00
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Copyright (c) 2006-2024 sqlmap developers (https://sqlmap.org/)
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2017-10-11 14:50:46 +02:00
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See the file 'LICENSE' for copying permission
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2011-06-09 09:38:07 +00:00
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"""
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2018-02-10 11:06:31 +01:00
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import os
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2018-02-08 16:49:16 +01:00
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from lib.core.common import singleTimeWarnMessage
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from lib.core.enums import DBMS
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2011-06-09 09:38:07 +00:00
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from lib.core.enums import PRIORITY
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__priority__ = PRIORITY.LOWEST
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2011-07-06 21:04:45 +00:00
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def dependencies():
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2018-02-08 16:49:16 +01:00
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singleTimeWarnMessage("tamper script '%s' is only meant to be run against %s" % (os.path.basename(__file__).split(".")[0], DBMS.ACCESS))
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2011-07-06 21:04:45 +00:00
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2012-12-03 14:27:01 +01:00
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def tamper(payload, **kwargs):
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2011-06-09 09:38:07 +00:00
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"""
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2018-07-31 02:18:33 +02:00
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Appends (Access) NULL byte character (%00) at the end of payload
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2011-07-06 21:04:45 +00:00
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Requirement:
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* Microsoft Access
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Notes:
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* Useful to bypass weak web application firewalls when the back-end
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database management system is Microsoft Access - further uses are
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also possible
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2011-06-09 09:38:07 +00:00
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Reference: http://projects.webappsec.org/w/page/13246949/Null-Byte-Injection
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2013-03-13 21:57:09 +01:00
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>>> tamper('1 AND 1=1')
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'1 AND 1=1%00'
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2011-06-09 09:38:07 +00:00
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"""
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2012-10-25 10:10:23 +02:00
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return "%s%%00" % payload if payload else payload
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