Tom,

Stop and go back to the CF Admin and check the setting for Missing Template 
Handler. Make sure its blank or is actually pointing to a valid missing 
template handler page that you setup.  This blog post is why I mention that.

http://www.coldfusionmuse.com/index.cfm/2013/12/5/attack.vector.missing.template.handler


Wil Genovese
Sr. Web Application Developer/
Systems Administrator
CF Webtools
www.cfwebtools.com

[email protected]
www.trunkful.com

On Nov 12, 2014, at 3:12 PM, Tom McNeer <[email protected]> wrote:

> 
> One more followup: whatever this is, it isn't related to CF. I jumped to
> the wrong conclusion.
> 
> The problem reappeared when I was in the CF admin page, long after I'd
> logged on.
> 
> But then I opened another browser and purposely asked for a local page that
> didn't exist. The IIS error page contained ads.
> 
> Again, this doesn't make me feel a whole lot better. But folks should know
> that this is not a new CF attack.
> 
> On Wed, Nov 12, 2014 at 3:56 PM, Tom McNeer <[email protected]> wrote:
> 
>> I appreciate all the suggestions - and I especially appreciate when you
>> step in, Dave.
>> 
>> Certainly, I'm considering a clean installation.
>> 
>> But as a followup: Dave's comment about "the problem is almost certainly
>> in the browser itself or some other piece of malware installed on the
>> client" brings up lots of other possibilities.
>> 
>> To be clear (since some other folks have misunderstood this), I can't say
>> that this hack appears *only* in the CF Admin login page, or only in the
>> CF Admin. I have the browser on the server set to the CF admin as a
>> default, because that's what I use the browser for - administering CF. So
>> the hacks appeared immediately after the browser was started and the first
>> page loaded -- which *happened* to be the CF Admin.
>> 
>> It's entirely possible, as Dave suggests, that the problem isn't related
>> to CF at all, now that we've discussed it.
>> 
>> That doesn't make it less of a problem. In fact, it means there are lots
>> of other possible vectors.
>> 
>> On Wed, Nov 12, 2014 at 3:29 PM, <> wrote:
>> 
>>> 
>>>>> One is that, while it doesn't show
>>> up in the view source for a given page, a JS library referenced in the
>>> page has been compromised to rewrite page content.
>>> 
>>> Of course, this is quite possible in theory, however it would imply that
>>> the hacker has already hacked the server, and one could ask what he is
>>> still trying to hack.
>>> 
>>> 
>>> 
> 
> 

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