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CVE-2023-28998 Detail

Current Description

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.


View Analysis Description

Severity



CVSS 4.0 Severity and Metrics:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf Exploit  Technical Description  Third Party Advisory 
https://github.com/nextcloud/desktop/pull/5323 Patch  Vendor Advisory 
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jh3g-wpwv-cqgr Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-325 Missing Cryptographic Step Contributor acceptance level GitHub, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2023-28998
NVD Published Date:
04/04/2023
NVD Last Modified:
11/06/2023
Source:
GitHub, Inc.