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HomeHomeOur CommunityOur CommunityGeneral Discuss...General Discuss...default.aspx overwritten, could it be a security issue?default.aspx overwritten, could it be a security issue?
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7/28/2016 2:07 AM
 
Bassel Issa


Joined: 4/7/2003
Posts: 70

Dear All,

lately one of my DNN websites had an issue where the default.aspx got overwritten with the same html output that it should generate for the home page. while the original markup got lost and replaced with the same home page HTML output plus some google ad. i had to upgrade it from 7.1.1 to 7.4.2

have anyone faced this issue before?

 
 
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7/28/2016 4:44 AM
 
Michael Tobisch


Michael Tobisch's Avatar

https://www.dnnwerk.at
Joined: 6/27/2005
Posts: 2083
The question is: How did it get overwritten? You should check your FTP logs and secure them if it comes from this side. And: in this case, it is not a DNN issue.

Happy DNNing!
Michael

Michael Tobisch
DNN★MVP

dnn-Connect.org - The most vibrant community around the DNN-platform
 
New Post
7/31/2016 4:28 AM
 
Bassel Issa


Joined: 4/7/2003
Posts: 70

Hi Michael,

No it is not an FTP, none of these ports are opened on my server, and I only access it through secured RDP after i open VPN to the hosting network. I believe it is a security issue with DNN 7.1.1 but still couldn't figure it.
 
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7/31/2016 7:28 AM
 
Sebastian Leupold


Sebastian Leupold's Avatar

Sebastian Leupold's Avatar

Sebastian Leupold's Avatar

Sebastian Leupold's Avatar

www.dnnwerk.de
Joined: 3/8/2004
Posts: 46212
please download and install security analyser module and run it on your site.
https://github.com/DNNCommunity/Secur...
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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8/1/2016 8:42 AM
 
Bassel Issa


Joined: 4/7/2003
Posts: 70

Thanks Sebastian, 

I found many aspx files uploaded to /portals/0/ folder that are not related to DNN source or any of the modules, kind of hacking attempts. and these files contains Antak webshell and other webshell made by China. 

strange isn't it?! is there any security issue in DNN 7.1.1 that allow anonymous to upload aspx files or zip files ?

I know about the CKEditor dialog security issue but I thought this is an old issue that has been resolved already. beside CKEditor provider is not installed 

any feedback ?
 
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HomeHomeOur CommunityOur CommunityGeneral Discuss...General Discuss...default.aspx overwritten, could it be a security issue?default.aspx overwritten, could it be a security issue?


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