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2021-08-18
 
CVE-2021-37617

CWE-426
 

 
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.

 
2021-04-14
 
CVE-2021-22879

CWE-74
 

 
Nextcloud Desktop Client prior to 3.1.3 is vulnerable to resource injection by way of missing validation of URLs, allowing a malicious server to execute remote commands. User interaction is needed for exploitation.

 

 >>> Vendor: Nextcloud 18 Produkty
Nextcloud
Nextcloud server
Calendar
TALK
Lookup-server
Server
Circles
DECK
Group folders
Nextcloud mail
Contacts
Preferred providers
Social
Desktop
Richdocuments
MAIL
Officeonline
NEWS


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