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Gentoo Linux: CVE-2021-32655: Nextcloud: Multiple Vulnerabilities

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Gentoo Linux: CVE-2021-32655: Nextcloud: Multiple Vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:S/C:P/I:N/A:N)
Published
06/01/2021
Created
08/29/2022
Added
08/11/2022
Modified
08/11/2022

Description

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.11, 20.0.10, and 21.0.2, an attacker is able to convert a Files Drop link to a federated share. This causes an issue on the UI side of the sharing user. When the sharing user opens the sharing panel and tries to remove the "Create" privileges of this unexpected share, Nextcloud server would silently grant the share read privileges. The vulnerability is patched in versions 19.0.11, 20.0.10 and 21.0.2. No workarounds are known to exist.

Solution(s)

  • gentoo-linux-upgrade-www-apps-nextcloud

References

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