Tuesday, October 26, 2021

CVE-2021-39223

Description

Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud Richdocuments application prior to versions 3.8.6 and 4.2.3 returned verbatim exception messages to the user. This could result in a full path disclosure on shared files. (e.g. an attacker could see that the file `shared.txt` is located within `/files/$username/Myfolder/Mysubfolder/shared.txt`). It is recommended that the Richdocuments application is upgraded to 3.8.6 or 4.2.3. As a workaround, disable the Richdocuments application in the app settings.

References to Advisories, Solutions, and Tools


References to Advisories, Solutions, and Tools

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Resourcehttps://github.com/nextcloud/richdocuments/pull/1760https://github.com/nextcloud/security-advisories/security/advisories/GHSA-rjcc-4cgj-6v93https://hackerone.com/reports/1253460
 

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thank you Templateism for the design - You should have written the code a little more complicated - Nothing Encrypted anymore