A vulnerability and multiple security issues have been reported in DotNetNuke, which can be exploited by malicious users to compromise a vulnerable system and by malicious users and malicious people to bypass certain security restrictions.
1) An error when soft-deleting users can be exploited to undelete a user by re-registering with the same credentials.
2) An error in the application when validating user permissions in certain management functions can be exploited to gain access to certain admin functions.
3) An error in the application when verifying uploaded files can be exploited to execute certain arbitrary code.
Successful exploitation requires the permission to upload files.
4) An error when granting edit permissions for a page or a module can lead to the user being granted all permissions.
NOTE: A weakness in the login control, which could lead to disclosure of rejected credentials has also been reported.
Solution: Update to version 5.6.3.
Provided and/or discovered by: The vendor credits:
1) Robb Bryn
2, 3) Simon Meraner
4) Laurence Neville
Original Advisory: DotNetNuke:
Do you have additional information related to this advisory?
Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this
information to firstname.lastname@example.org
Subject: DotNetNuke Security Bypass and File Upload Vulnerabilities
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