medium6.7
CVE-2023-28998
The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nextcloud | Desktop | from 3.0.0 before 3.6.5 |
Weakness classification
References
- NVD record
- CVE.org record
- 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
- 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