Missing Encryption of Sensitive Data Affecting nextcloud-desktop package, versions <3.9.0-1
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Test your applications- Snyk ID SNYK-DEBIAN13-NEXTCLOUDDESKTOP-5690352
- published 5 Apr 2023
- disclosed 4 Apr 2023
Introduced: 4 Apr 2023
CVE-2023-28999 Open this link in a new tabHow to fix?
Upgrade Debian:13 nextcloud-desktop to version 3.9.0-1 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:13 relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2023-28999
- https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf
- https://github.com/nextcloud/desktop/pull/5560
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8875-wxww-3rr8