CVE-2022-24741 Information

Description

Nextcloud server is an open source self hosted cloud style services platform. In affected versions an attacker can cause a denial of service by uploading specially crafted files which will cause the server to allocate too much memory / CPU. It is recommended that the Nextcloud Server is upgraded to 21.0.8 22.2.4 or 23.0.1. Users unable to upgrade should disable preview generation with the 'enable_previews' config flag.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

https://github.com/nextcloud/server/pull/30291 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jf3h-xf4q-mh89 https://hackerone.com/reports/1261225

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5