CVE-2023-29000 Information

Description

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.7.0 by trusting that the server will return a certificate that belongs to the keypair of the user a malicious server could get the desktop client to encrypt files with a key known to the attacker. This issue is fixed in Nextcloud Desktop 3.7.0. No known workarounds are available.

Reference

https://github.com/nextcloud/desktop/pull/4949 https://hackerone.com/reports/1679267 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h82x-98q3-7534