Znuny up to 7.0.16 DB.pm FormIDAddFile Filename unrestricted upload

Summaryinfo

A vulnerability was found in Znuny up to 7.0.16. It has been rated as critical. This impacts the function FormIDAddFile of the file Kernel/System/Web/UploadCache/DB.pm. Performing a manipulation of the argument Filename results in unrestricted upload. This vulnerability is reported as CVE-2024-32491. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Znuny up to 7.0.16. This affects the function FormIDAddFile of the file Kernel/System/Web/UploadCache/DB.pm. The manipulation of the argument Filename with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at znuny.org. This vulnerability is uniquely identified as CVE-2024-32491 since 04/15/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

Upgrading to version 7.0.17 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 2bf86ee9a0aa355cce38fff8abcce4495846b235 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. The advisory contains the following remark:

CVE-2024-32491: Fixed security issue with uploading files that could be placed to any writable location and used for remote code execution. Thanks to Martino Spagnuolo for reporting and providing the fix.

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Productinfo

Name

• Znuny

Version

• 7.0.0
• 7.0.1
• 7.0.2
• 7.0.3
• 7.0.4
• 7.0.5
• 7.0.6
• 7.0.7
• 7.0.8
• 7.0.9
• 7.0.10
• 7.0.11
• 7.0.12
• 7.0.13
• 7.0.14
• 7.0.15
• 7.0.16

License

• open-source

Website

• Product: https://github.com/znuny/Znuny/

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