CVE-2023-28999 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Physical

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact Low

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Nextcloud	Desktop Nextcloud

Configuration 1 [-]

OR	cpe:2.3:a:nextcloud:desktop::::::::
	cpe:2.3:a:nextcloud:nextcloud:::::iphone_os:::*
	cpe:2.3:a:nextcloud:nextcloud:::::android:::*

No data.

References

Link	Providers
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

History

Tue, 11 Feb 2025 17:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2023-04-04T12:51:08.241Z

Updated: 2025-02-11T16:32:05.176Z

Reserved: 2023-03-29T17:39:16.141Z

Link: CVE-2023-28999

Vulnrichment

Updated: 2024-08-02T13:51:38.979Z

NVD

Status : Modified

Published: 2023-04-04T13:15:09.003

Modified: 2024-11-21T07:56:22.090

Link: CVE-2023-28999

Redhat

No data.

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