Advisories for Nuget/DotNetNuke.Core package

2023
2022

Server-Side Request Forgery (SSRF)

The AppCheck research team identified a Server-Side Request Forgery (SSRF) vulnerability within the DNN CMS platform, formerly known as DotNetNuke. SSRF vulnerabilities allow the attacker to exploit the target system to make network requests on their behalf, allowing a range of possible attacks. In the most common scenario, the attacker exploits SSRF vulnerabilities to attack systems behind the firewall and access sensitive information from Cloud Provider metadata services.

DotNetNuke Default Machine Key Exposure

DotNetNuke before 4.8.2, during installation or upgrade, does not warn the administrator when the default (1) ValidationKey and (2) DecryptionKey values cannot be modified in the web.config file, which allows remote attackers to bypass intended access restrictions by using the default keys.

2020

Use of Insufficiently Random Values

There is an information disclosure issue in DNN (formerly DotNetNuke) within the built-in Activity-Feed/Messaging/Userid/ Message Center module. A registered user is able to enumerate any file in the Admin File Manager (other than ones contained in a secure folder) by sending themselves a message with the file attached, e.g., by using an arbitrary small integer value in the fileIds parameter.

2019

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Stored Cross-Site Scripting in DotNetNuke (DNN) allows remote attackers to store and embed the malicious script into the admin notification page. The exploit could be used to perfom any action with admin privileges such as managing content, adding users, uploading backdoors to the server, etc. Successful exploitation occurs when an admin user visits a notification page with stored cross-site scripting.

Insufficient Entropy

DNN (aka DotNetNuke) incorrectly converts encryption key source values, resulting in lower than expected entropy. NOTE: this issue exists because of an incomplete fix for CVE-2018-15812.

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