Missing Required Cryptographic Step Affecting nextcloud-desktop package, versions <3.7.0-1
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Test your applications- Snyk ID SNYK-DEBIAN12-NEXTCLOUDDESKTOP-5408285
- published 5 Apr 2023
- disclosed 4 Apr 2023
Introduced: 4 Apr 2023
CVE-2023-28998 Open this link in a new tabHow to fix?
Upgrade Debian:12 nextcloud-desktop to version 3.7.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream nextcloud-desktop package and not the nextcloud-desktop package as distributed by Debian.
See How to fix? for Debian:12 relevant fixed versions and status.
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 gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure, and add new files. Users should upgrade the Nextcloud Desktop client to 3.6.5 to receive a patch. No known workarounds are available.
References
- https://security-tracker.debian.org/tracker/CVE-2023-28998
- https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf
- https://github.com/nextcloud/desktop/pull/5323
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jh3g-wpwv-cqgr