CVE-2023-28997: Nextcloud Desktop: Initialization vector reuse in E2EE allows malicious server admin to break, manipulate, access files
First published: Tue Apr 04 2023(Updated: )
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 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.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Nextcloud Desktop | >=3.0.0<3.6.5 |
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Reference Links
Frequently Asked Questions
What is CVE-2023-28997?
CVE-2023-28997 is a vulnerability in the Nextcloud Desktop Client that allows a malicious server administrator to recover and modify the contents of end-to-end encrypted files.
How severe is CVE-2023-28997?
CVE-2023-28997 has a severity rating of 6.5 out of 10.
How can I fix CVE-2023-28997?
To fix CVE-2023-28997, users should upgrade the Nextcloud Desktop client to version 3.6.5 or later.
Where can I find more information about CVE-2023-28997?
More information about CVE-2023-28997 can be found in the references section of the vulnerability report.
What is the CWE ID for CVE-2023-28997?
CVE-2023-28997 is associated with CWE ID 323.
- collector/nvd-index
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/remedy
- agent/references
- agent/severity
- agent/weakness
- agent/title
- agent/last-modified-date
- agent/author
- agent/tags
- agent/type
- agent/event
- agent/description
- agent/first-publish-date
- vendor/nextcloud
- canonical/nextcloud desktop
- version/nextcloud desktop/3.0.0