CVE-2023-35928

Nextcloud Server is a space for data storage on Nextcloud, a self-hosted productivity playform. In NextCloud Server versions 25.0.0 until 25.0.7 and 26.0.0 until 26.0.2 and Nextcloud Enterprise Server versions 19.0.0 until 19.0.13.9, 20.0.0 until 20.0.14.14, 21.0.0 until 21.0.9.12, 22.0.0 until 22.2.10.12, 23.0.0 until 23.0.12.7, 24.0.0 until 24.0.12.2, 25.0.0 until 25.0.7, and 26.0.0 until 26.0.2, a user could use this functionality to get access to the login credentials of another user and take over their account. This issue has been patched in Nextcloud Server versions 25.0.7 and 26.0.2 and NextCloud Enterprise Server versions 19.0.13.9, 20.0.14.14, 21.0.9.12, 22.2.10.12, 23.0.12.7, 24.0.12.2, 25.0.7, and 26.0.2. Three workarounds are available. Disable app files_external. Change config setting "Allow users to mount external storage" to disabled in "Administration" > "External storage" settings `…/index.php/settings/admin/externalstorages`. Change config setting to disallow users to create external storages in "Administration" > "External storage" settings `…/index.php/settings/admin/externalstorages` with the types FTP, Nextcloud, SFTP, and/or WebDAV.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*

History

05 Jul 2023, 13:30

Type Values Removed Values Added
CPE cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
CWE CWE-274 NVD-CWE-noinfo
First Time Nextcloud nextcloud Server
Nextcloud
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 8.8
References (MISC) https://hackerone.com/reports/1978882 - (MISC) https://hackerone.com/reports/1978882 - Third Party Advisory
References (MISC) https://github.com/nextcloud/security-advisories/security/advisories/GHSA-637g-xp2c-qh5h - (MISC) https://github.com/nextcloud/security-advisories/security/advisories/GHSA-637g-xp2c-qh5h - Vendor Advisory
References (MISC) https://github.com/nextcloud/server/pull/38265 - (MISC) https://github.com/nextcloud/server/pull/38265 - Issue Tracking

23 Jun 2023, 21:15

Type Values Removed Values Added
New CVE

Information

Published : 2023-06-23 21:15

Updated : 2024-02-28 20:13


NVD link : CVE-2023-35928

Mitre link : CVE-2023-35928

CVE.ORG link : CVE-2023-35928


JSON object : View

Products Affected

nextcloud

  • nextcloud_server
CWE
NVD-CWE-noinfo CWE-274

Improper Handling of Insufficient Privileges