Question

How can I try some "remote command injection" on my ColdFusion web site

Asked by: bigmikey88

I want to check out my security.

How can I try some remote command injection on my web site which I build with ColdFusion MX7.

Thx

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Asked On
2008-09-11 at 21:07:07ID23725353
Topics

ColdFusion Application Server

,

Networking Security Vulnerabilities

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Answers

 

by: PluckaPosted on 2008-09-11 at 21:11:05ID: 22457115

normally if you have a webpage such as

www.domain.com/product.cfm?id=23

you would inject by doing something like this

www.domain.com/product.cfm?id=23;delete * from tableName

 

by: zadocPosted on 2008-09-11 at 21:15:28ID: 22457127

Here is a free sql injection product from HP. Its pretty cool and seems robust.

http://www.communities.hp.com/securitysoftware/blogs/spilabs/archive/2008/06/24/finding-sql-injection-with-scrawlr.aspx

 

by: bigmikey88Posted on 2008-09-11 at 21:20:55ID: 22457146

So you add a semi colon and then some type of command?

What are some typical commands?  What language do they need to be?

I've added the error log - below -when I seem to get hit by command injection

I want to learn to duplicate it  then protect my site

Date: 09/08/2008, Time: 04:54:54  AM, Page: Error_Exception2.cfm,
 Error.Diagnostics: Element "x' is undefined in a Java object of type class coldfusion.runtime.CookieScope referenced as   <br>The error occurred on line 75.,
 
Template:&nbsp;&nbsp;/Career.......Schools.cfm,
Browser: Mozilla/5.0 (compatible; MSIE 7.0; MSIE 6.0; ScanAlert; +http://www.scanalert.com/bot.jsp) Firefox/2.0.0.3,
Remote Address: 165.193.42.132,
HTTP Referrer: http://www.mydomain.com:80/Site-Map.cfm,

                                              
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by: zadocPosted on 2008-09-11 at 21:30:55ID: 22457165

what this error looks like is a variable was called when it didn't exist.. This could be as simple as someone bookmarking a action page and you dont have your vars setup right.

 

by: PluckaPosted on 2008-09-11 at 21:32:45ID: 22457167

Well lets imagine your code on that page

www.domain.com/product.cfm?id=23;delete * from tableName

product.cfm

might look like this

<cfquery name="myQuery" datasource="myDS">
    select * from products where productId = #url.id#
<cfquery>


www.domain.com/product.cfm?id=23
select * from products where productId = 23

www.domain.com/product.cfm?id=23;delete * from products
select * from products where productId = 23; delete * from products

So the extra ccommands are sql statements, they are trying to inject extra SQL commands into your database.

 

by: trailblazzyr55Posted on 2008-09-11 at 21:49:33ID: 22457222

I won't provide details on how to hack a site, however will provide some best practices to help prevent it:

1) When performing inline queries always use <cfqueryparam ...>
2) Stored Procedures are just as good, actually for performance, better.
3) enable "scriptprotect" in the cf administrator or in the cfapplication tag...

4) http://www.coldfusionmuse.com/index.cfm/2008/7/18/Injection-Using-CAST-And-ASCII
5) http://www.coldfusionmuse.com/index.cfm/2008/2/22/sql-injection-on-a-character-field
6) ...search the other articles on this site...

7) http://www.petefreitag.com/item/363.cfm

Bottom line and the overall pretty much catch all if you're still worried, validate all URL variable values before allowing it to be used in a query...

Many times attacks aren't going to come from SQL injection, it'll be an attack on your server and any vulnerabilities it may have, if your server is secured ie: (firewall, updates, anti-virus, patches, string passwords, secure network, etc...), and your validating your URL values, you'll be doing pretty well. SQL injection attacks do happen though, I've seen it a few times on clients' servers who choose to not follow those first three bullets above.

Also, your error log does not show of any signs of an injection attack....

-tb55

 

by: jahboitePosted on 2008-09-12 at 06:35:21ID: 22459620

There's some useful information regarding ColdFusion specifics here:
http://www.0x000000.com/?i=610

 

by: SidFishesPosted on 2008-09-12 at 07:17:22ID: 22460052

while you're at it you should also look for xss vulnerabilities

the free edition of Acunetix Web Scanner does a good job of xss scanning  

The full package does sqli, xss, and other things like checking for clear text transfers of passwords and other design errors...however it's pricey at $1400usd


 

by: bigmikey88Posted on 2008-10-09 at 18:03:03ID: 22683697

thanks

everyone was a big help

mike

20120131-EE-VQP-002

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