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.
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History
Thu, 05 Dec 2024 17:15:00 +0000
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MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published: 2023-06-23T20:58:33.225Z
Updated: 2024-12-05T16:18:09.131Z
Reserved: 2023-06-20T14:02:45.593Z
Link: CVE-2023-35928
Vulnrichment
Updated: 2024-08-02T16:37:40.579Z
NVD
Status : Modified
Published: 2023-06-23T21:15:10.007
Modified: 2024-11-21T08:08:59.697
Link: CVE-2023-35928
Redhat
No data.