| Name | CVE-2023-28997 |
| Description | The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, a malicious server administrator can recover and modify the contents of end-to-end encrypted files. Users should upgrade the Nextcloud Desktop client to 3.6.5 to receive a patch. No known workarounds are available. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| nextcloud-desktop (PTS) | buster (security), buster, buster (lts) | 2.5.1-3+deb10u2 | vulnerable |
| bullseye (security), bullseye | 3.1.1-2+deb11u1 | vulnerable |
| bookworm | 3.7.3-1+deb12u1 | fixed |
| sid, trixie | 3.13.2-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| nextcloud-desktop | source | (unstable) | 3.7.0-1 | | | |
Notes
[bullseye] - nextcloud-desktop <no-dsa> (Minor issue)
[buster] - nextcloud-desktop <no-dsa> (Minor issue)
https://github.com/nextcloud/desktop/pull/5324
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4p33-rw27-j5fc