CVE-2022-39330

Database resource exhaustion for logged-in users via sharee recommendations with circles

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server prior to versions 23.0.10 and 24.0.6 and Nextcloud Enterprise Server prior to versions 22.2.10, 23.0.10, and 24.0.6 are vulnerable to a logged-in attacker slowing down the system by generating a lot of database/cpu load. Nextcloud Server versions 23.0.10 and 24.0.6 and Nextcloud Enterprise Server versions 22.2.10, 23.0.10, and 24.0.6 contain patches for this issue. As a workaround, disable the Circles app.

Nextcloud Server es el software de servidor de archivos para Nextcloud, una plataforma de productividad autohospedada. Nextcloud Server anterior a las versiones 23.0.10 y 24.0.6 y Nextcloud Enterprise Server anterior a las versiones 22.2.10, 23.0.10 y 24.0.6 son vulnerables a que un atacante que haya iniciado sesión ralentice el sistema generando una gran cantidad de bases de datos/ carga de la CPU. Las versiones 23.0.10 y 24.0.6 de Nextcloud Server y las versiones 22.2.10, 23.0.10 y 24.0.6 de Nextcloud Enterprise Server contienen parches para este problema. Como workaround, desactive la aplicación Circles.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-09-02 CVE Reserved
2022-10-27 CVE Published
2024-05-19 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (2)

URL	Tag	Source
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wxx7-w5p4-7x4c	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://github.com/nextcloud/circles/pull/1147	2022-11-01

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Nextcloud Search vendor "Nextcloud"		Nextcloud Enterprise Server Search vendor "Nextcloud" for product "Nextcloud Enterprise Server"				< 22.2.10 Search vendor "Nextcloud" for product "Nextcloud Enterprise Server" and version " < 22.2.10"		-		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Enterprise Server Search vendor "Nextcloud" for product "Nextcloud Enterprise Server"				>= 23.0.0 < 23.0.10 Search vendor "Nextcloud" for product "Nextcloud Enterprise Server" and version " >= 23.0.0 < 23.0.10"		-		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Enterprise Server Search vendor "Nextcloud" for product "Nextcloud Enterprise Server"				>= 24.0.0 < 24.0.6 Search vendor "Nextcloud" for product "Nextcloud Enterprise Server" and version " >= 24.0.0 < 24.0.6"		-		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				< 23.0.10 Search vendor "Nextcloud" for product "Nextcloud Server" and version " < 23.0.10"		-		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 24.0.0 < 24.0.6 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 24.0.0 < 24.0.6"		-		Affected