CVE-2023-28997

NameCVE-2023-28997
DescriptionThe 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.
SourceCVE (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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
nextcloud-desktop (PTS)buster, buster (security)2.5.1-3+deb10u2vulnerable
bullseye (security), bullseye3.1.1-2+deb11u1vulnerable
bookworm, sid3.7.3-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nextcloud-desktopsource(unstable)3.7.0-1

Notes

[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

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