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Unraid OS 6.8.0 Authentication Bypass Vulnerability
Information
Severity
Severity
Critical
Family
Family
Web application abuses
CVSSv2 Base
CVSSv2 Base
10.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
4 years ago
Modified
Modified
4 years ago
Summary
The Web UI of Unraid OS is prone to an authentication bypass vulnerability.
Insight
Insight
In order to check if a web page requires authentication, unraid uses a auth_request.php file that contains a whitelist which uses the strpos function for comparing strings. The whitelist can therefore be bypassed by appending additional characters to an entry in the whitelist.
Affected Software
Affected Software
Unraid OS version 6.8.0.
Detection Method
Detection Method
Sends a crafted HTTP GET request and checks the response.
Solution
Solution
Update to version 6.8.1 or later.