CVE-2022-39346

2022-11-2519:15:11

CWE-20

CWE-400

[email protected]

web.nvd.nist.gov

nextcloud server

malicious users

database

denial of service

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.004

Percentile

74.4%

JSON

Nextcloud server is an open source personal cloud server. Affected versions of nextcloud server did not properly limit user display names which could allow a malicious users to overload the backing database and cause a denial of service. It is recommended that the Nextcloud Server is upgraded to 22.2.10, 23.0.7 or 24.0.3. There are no known workarounds for this issue.

Affected configurations

Nvd

Node

nextcloudnextcloud_enterprise_serverRange<22.2.10

nextcloudnextcloud_enterprise_serverRange23.0.0–23.0.7

nextcloudnextcloud_enterprise_serverRange24.0.0–24.0.3

nextcloudnextcloud_serverRange<22.2.10

nextcloudnextcloud_serverRange23.0.0–23.0.7

nextcloudnextcloud_serverRange24.0.0–24.0.3

Node

fedoraprojectfedoraMatch35

fedoraprojectfedoraMatch36

fedoraprojectfedoraMatch37

VendorProductVersionCPE
nextcloudnextcloud_enterprise_server*cpe:2.3:a:nextcloud:nextcloud_enterprise_server:*:*:*:*:*:*:*:*
nextcloudnextcloud_server*cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
fedoraprojectfedora35cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
fedoraprojectfedora36cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
fedoraprojectfedora37cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
nextcloud	nextcloud_enterprise_server	*	cpe:2.3:a:nextcloud:nextcloud_enterprise_server::::::::
nextcloud	nextcloud_server	*	cpe:2.3:a:nextcloud:nextcloud_server::::::::
fedoraproject	fedora	35	cpe:2.3:o:fedoraproject:fedora:35:::::::*
fedoraproject	fedora	36	cpe:2.3:o:fedoraproject:fedora:36:::::::*
fedoraproject	fedora	37	cpe:2.3:o:fedoraproject:fedora:37:::::::*