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10/30/2009 12:37 AM
 

Joined: 1/1/0001
Posts: 0

Hi All,

This morning I was thrown into the deep end to fix a site that was hacked. The site is currently running on DNN 04.04.04 and .Net 2.0.50727.1433.

It looks like they changed the Defauly.aspx only. Is there any known security issues with this version of DNN that anyone is aware of?

Also the people at the hosting site have made me aware that the root directory currently had anon write permissions. Would this be how they changed the file? Also is there any reason why this permission should be left of? Does DNN need it at all?

Thank you for any assistance. =)

 
 
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10/30/2009 1:04 AM
 
Chris Hammond


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www.christoc.com
Joined: 1/14/2003
Posts: 7319

In my experience when the default.aspx file gets replaced in the root of a DNN site isn't not a DNN vulnerability but one on the web server itself. 

Run IISLockdown to see what all you need to configure on the web server.

I would recommend upgrading from DNN 4.4.4 as there are some known vulnerabilities, but nothing as major as allowing the default.aspx file to be replaced.

Chris Hammond
Former DNN Corp Employee, MVP, Core Team Member, Trustee
Christoc.com Software Solutions DotNetNuke Module Development, Upgrades and consulting.
dnnCHAT.com a chat room for DotNetNuke discussions
 
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10/30/2009 2:37 AM
 

Joined: 1/1/0001
Posts: 0

Thank you for your reply Chirs. From what I have read up on today it looks like it is a server issues.

Does any one know or can see any reason why DNN needs to have write access to the root directory. I want to request to the hosting providers to close this access but I don't want to break the production website.
 
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10/30/2009 10:37 AM
 
Chris Hammond


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www.christoc.com
Joined: 1/14/2003
Posts: 7319

 DNN does need write permissions to the root directory for creating child portals and such. It doesn't need anon access though, only for the Network Service account (aspnet account in windows 2000).

Chris Hammond
Former DNN Corp Employee, MVP, Core Team Member, Trustee
Christoc.com Software Solutions DotNetNuke Module Development, Upgrades and consulting.
dnnCHAT.com a chat room for DotNetNuke discussions
 
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10/30/2009 12:04 PM
 
Sebastian Leupold


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www.dnnwerk.de
Joined: 3/8/2004
Posts: 46212

AFAIR there has never been a DNN version 04.04.04, we moved from 04.04.01 to 04.05.00.

Please be precise with version numbers to get proper support.

Cheers from Germany,
Sebastian Leupold

dnnWerk - The DotNetNuke Experts   German Spoken DotNetNuke User Group

Speed up your DNN Websites with TurboDNN
 
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