CVE-2023-45148

CVSS 3.1 Score 4.3 of 10 (medium)

Attack Complexity low
Availability low
Privileges Required low
Confidentiality none
Integrity none
Scope unchanged

Details

Published Oct 16, 2023
Updated: Oct 20, 2023
CWE ID 307

Summary

CVE-2023-45148 is a vulnerability affecting the Nextcloud open source home cloud server. When Memcached is utilized as the `memcache.distributed` option, the unexpected resetting of rate limiting in the Nextcloud server may occur. This issue allows for increased request levels, potentially leading to denial-of-service (DoS) attacks. Users are advised to upgrade to Nextcloud versions 25.0.11, 26.0.6, or 27.1.0 to address the issue. Alternatively, users unable to upgrade should configure `memcache.distributed` to `OC\\Memcache\\Redis` and install Redis instead of Memcached as a mitigation measure.

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Affected Products

  • Nextcloud Server

Affected Vendors

  • Nextcloud GmbH

Advisories, Assessments, and Mitigations