CVE-2023-28997

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	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/5324	Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4p33-rw27-j5fc	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2023-04-04 13:15

Updated : 2024-02-28 20:13

NVD link : CVE-2023-28997

Mitre link : CVE-2023-28997

CVE.ORG link : CVE-2023-28997

JSON object : View

Products Affected

nextcloud

desktop

CWE

CWE-323

Reusing a Nonce, Key Pair in Encryption

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