Path Traversal in Quick.CMS via URI Path Component

Executive Summary

This is a Path Traversal vulnerability in Quick.CMS where an authenticated admin attacker can read files outside the webroot by using ../ sequences in HTTP requests. The server fails to normalize these sequences before resolving file paths.

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Detection Guidance

To detect this Path Traversal vulnerability in Quick.CMS, you can send crafted HTTP requests containing ../ sequences in the URI path and check if the server returns files outside the intended directory. Use tools like curl to test with requests such as: curl http://target.com/path/../../../../etc/passwd. Monitor responses for file contents or errors indicating path traversal success.

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Impact Analysis

An attacker with admin access could read sensitive files on the server, potentially exposing confidential data like configuration files, credentials, or other restricted information.

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Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, potentially violating GDPR or HIPAA compliance if such data is exposed.

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Mitigation Strategies

Since the vendor assessed the likelihood of exploitation as very low and determined a fix is not necessary, no immediate mitigation steps are required. However, ensure admin access is restricted to trusted users to reduce potential attack surface.

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