| Name | CVE-2021-22895 |
| Description | Nextcloud Desktop Client before 3.3.1 is vulnerable to improper certificate validation due to lack of SSL certificate verification when using the "Register with a Provider" flow. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more) |
| References | DSA-4974-1 |
| Debian Bugs | 989846 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| nextcloud-desktop (PTS) | buster, buster (security) | 2.5.1-3+deb10u2 | fixed |
| bullseye (security), bullseye | 3.1.1-2+deb11u1 | fixed | |
| bookworm, sid | 3.7.3-1 | 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 | buster | 2.5.1-3+deb10u2 | DSA-4974-1 | ||
| nextcloud-desktop | source | bullseye | 3.1.1-2+deb11u1 | DSA-4974-1 | ||
| nextcloud-desktop | source | (unstable) | 3.3.1-1 | 989846 |
https://github.com/nextcloud/desktop/pull/2926
https://github.com/nextcloud/desktop/commit/b1ddd0e491b2af0ed040e658d8bcde2a7a61c9fc (stable-3.1)
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5