The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with a computer. The Nextcloud Desktop Client invokes its uninstaller script when being installed to make sure there are no remnants of previous installations. In versions 3.0.3 through 3.2.4, the Client searches the `Uninstall.exe` file in a folder that can be written by regular users. This could lead to a case where a malicious user creates a malicious `Uninstall.exe`, which would be executed with administrative privileges on the Nextcloud Desktop Client installation. This issue is fixed in Nextcloud Desktop Client version 3.3.0. As a workaround, do not allow untrusted users to create content in the `C:\` system folder and verify that there is no malicious `C:\Uninstall.exe` file on the system.
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History
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2024-08-04T01:23:01.309Z
Reserved: 2021-07-29T00:00:00
Link: CVE-2021-37617
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Status : Modified
Published: 2021-08-18T18:15:08.063
Modified: 2024-11-21T06:15:31.790
Link: CVE-2021-37617
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