A vulnerability was found in QNAP Systems QuFirewall up to 2.4.0. It has been rated as problematic. This issue affects an unknown code block. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality. The summary by CVE is:

A path traversal vulnerability has been reported to affect QuFirewall. If exploited, the vulnerability could allow authenticated administrators to read the contents of unexpected files and expose sensitive data via a network. We have already fixed the vulnerability in the following version: QuFirewall 2.4.1 ( 2024/02/01 ) and later

The weakness was shared by Lebr0nli as qsa-24-17. The advisory is shared at qnap.com. The identification of this vulnerability is CVE-2023-41290 since 08/28/2023. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 2.4.1 eliminates this vulnerability.

Productinfo

Type

• Firewall Software

Vendor

• QNAP Systems

Name

• QuFirewall

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4

License

• commercial

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CPE 2.2info

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