Nextcloud: Lack of authenticity of metadata keys allows a malicious server to gain access to E2EE folders
Summary
Nextcloud: Lack of authenticity of metadata keys allows a malicious server to gain access to E2EE folders
Original description
The description as published by the source.
Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure and add new files. This issue is fixed in Nextcloud Desktop 3.8.0, Nextcloud Android 3.25.0, and Nextcloud iOS 4.8.0. No known workarounds are available.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Affected packages
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2023-28999 nextcloud-desktop
- Ubuntu UBUNTU-CVE-2023-28999 nextcloud-desktop
References
- advisory github.com
- advisory nvd.nist.gov
- advisory github.com
- patch github.com
- web ethz.ch