mirror of
https://github.com/sqlmapproject/sqlmap.git
synced 2024-11-22 01:26:42 +03:00
44 lines
1.4 KiB
Python
44 lines
1.4 KiB
Python
#!/usr/bin/env python
|
|
|
|
"""
|
|
Copyright (c) 2006-2024 sqlmap developers (https://sqlmap.org/)
|
|
See the file 'LICENSE' for copying permission
|
|
"""
|
|
|
|
import string
|
|
|
|
from lib.core.enums import PRIORITY
|
|
|
|
__priority__ = PRIORITY.LOWEST
|
|
|
|
def dependencies():
|
|
pass
|
|
|
|
def tamper(payload, **kwargs):
|
|
"""
|
|
Converts all characters in a given payload to overlong UTF8 (not processing already encoded) (e.g. SELECT -> %C1%93%C1%85%C1%8C%C1%85%C1%83%C1%94)
|
|
|
|
Reference:
|
|
* https://www.acunetix.com/vulnerabilities/unicode-transformation-issues/
|
|
* https://www.thecodingforums.com/threads/newbie-question-about-character-encoding-what-does-0xc0-0x8a-have-in-common-with-0xe0-0x80-0x8a.170201/
|
|
|
|
>>> tamper('SELECT FIELD FROM TABLE WHERE 2>1')
|
|
'%C1%93%C1%85%C1%8C%C1%85%C1%83%C1%94%C0%A0%C1%86%C1%89%C1%85%C1%8C%C1%84%C0%A0%C1%86%C1%92%C1%8F%C1%8D%C0%A0%C1%94%C1%81%C1%82%C1%8C%C1%85%C0%A0%C1%97%C1%88%C1%85%C1%92%C1%85%C0%A0%C0%B2%C0%BE%C0%B1'
|
|
"""
|
|
|
|
retVal = payload
|
|
|
|
if payload:
|
|
retVal = ""
|
|
i = 0
|
|
|
|
while i < len(payload):
|
|
if payload[i] == '%' and (i < len(payload) - 2) and payload[i + 1:i + 2] in string.hexdigits and payload[i + 2:i + 3] in string.hexdigits:
|
|
retVal += payload[i:i + 3]
|
|
i += 3
|
|
else:
|
|
retVal += "%%%.2X%%%.2X" % (0xc0 + (ord(payload[i]) >> 6), 0x80 + (ord(payload[i]) & 0x3f))
|
|
i += 1
|
|
|
|
return retVal
|