VDB-284806 · CVE-2024-52516 · GHSA-35gc-jc6x-29cm

Nextcloud Server up to 28.0.8/29.0.4 privileges management

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4.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Nextcloud Server up to 28.0.8/29.0.4 and classified as critical. Impacted is an unknown function. Executing a manipulation can lead to privileges management. This vulnerability is handled as CVE-2024-52516. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Nextcloud Server up to 28.0.8/29.0.4. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Nextcloud Server is a self hosted personal cloud system. When a server is configured to only allow sharing with users that are in ones own groups, after a user was removed from a group, previously shared items were not unshared. It is recommended that the Nextcloud Server is upgraded to 22.2.11 or 23.0.11 or 24.0.6 and Nextcloud Enterprise Server is upgraded to 22.2.11 or 23.0.11 or 24.0.6.

The advisory is available at github.com. This vulnerability was named CVE-2024-52516 since 11/11/2024. The exploitation appears to be difficult. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 28.0.9 or 29.0.5 eliminates this vulnerability. Applying the patch 142b6e313ffa9d3b950bcd23cb58850d3ae7cf34 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

Cloud Software

Vendor

Nextcloud

Name

Server

Version

License

open-source

Website

Product: https://github.com/nextcloud/server/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.0

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CNA Base Score: 3.0
CNA Vector (GitHub_M): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Server 28.0.9/29.0.5
Patch: 142b6e313ffa9d3b950bcd23cb58850d3ae7cf34

Timelineinfo

11/11/2024 🔍
11/15/2024 +4 days 🔍
11/15/2024 +0 days 🔍
01/07/2025 +53 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-35gc-jc6x-29cm
Status: Confirmed

CVE: CVE-2024-52516 (🔍)
GCVE (CVE): GCVE-0-2024-52516
GCVE (VulDB): GCVE-100-284806

Entryinfo

Created: 11/15/2024 19:18
Updated: 01/07/2025 07:39
Changes: 11/15/2024 19:18 (67), 01/07/2025 07:39 (12)
Complete: 🔍
Cache ID: 216::103