CVE-2023-45148

Rate limiter not working reliable when Memcached is installed in Nextcloud

State: Published
Severity: 4.3 Medium
Published: Oct 16, 2023
Updated: Sep 16, 2024
Reserved: Oct 4, 2023

Description

Nextcloud is an open source home cloud server. When Memcached is used as `memcache.distributed` the rate limiting in Nextcloud Server could be reset unexpectedly resetting the rate count earlier than intended. Users are advised to upgrade to versions 25.0.11, 26.0.6 or 27.1.0. Users unable to upgrade should change their config setting `memcache.distributed` to `\OC\Memcache\Redis` and install Redis instead of Memcached.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L	GitHub_M

Weaknesses

CWE-307 Improper Restriction of Excessive Authentication Attempts

Affected Products

Product	Versions
security-advisoriesnextcloud	>= 25.0.0, < 25.0.11Affected >= 26.0.0, < 26.0.6Affected >= 27.0.0, < 27.1.0Affected

References

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