A vulnerability was found in erohtar Dasherr and classified as critical. This issue affects an unknown function of the file /www/include/filesave.php. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

erohtar/Dasherr is a dashboard for self-hosted services. In affected versions unrestricted file upload allows any unauthenticated user to execute arbitrary code on the server. The file /www/include/filesave.php allows for any file to uploaded to anywhere. If an attacker uploads a php file they can execute code on the server. This issue has been addressed in version 1.05.00. Users are advised to upgrade. There are no known workarounds for this issue.

The weakness was published 01/21/2023 as GHSA-6rgc-2x44-7phq. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-23607 since 01/16/2023. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

By approaching the search of inurl:www/include/filesave.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.05.00 eliminates this vulnerability. Applying the patch 445325c7cf1148a8cd38af3a90789c6cbf6c5112 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.

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• erohtar

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• Dasherr

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• open-source

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CPE 2.2info

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