CVE-2023-48732

Mattermost fails to scope the WebSocket response around notified users to a each user separately resulting in the WebSocket broadcasting the information about who was notified about a post to everyone else in the channel.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://mattermost.com/security-updates	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*

History

08 Jan 2024, 19:03

Type	Values Removed	Values Added
CPE		cpe:2.3:a:mattermost:mattermost_server::::::::
CWE		NVD-CWE-noinfo
First Time		Mattermost Mattermost mattermost Server
References	~~() https://mattermost.com/security-updates -~~	() https://mattermost.com/security-updates - Vendor Advisory

02 Jan 2024, 13:47

Type	Values Removed	Values Added
Summary		(es) Mattermost no logra abarcar la respuesta de WebSocket en torno a los usuarios notificados para cada usuario por separado, lo que hace que WebSocket transmita la información sobre quién fue notificado sobre una publicación a todos los demás en el canal.

02 Jan 2024, 10:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-01-02 10:15

Updated : 2024-01-08 19:03

NVD link : CVE-2023-48732

Mitre link : CVE-2023-48732

CVE.ORG link : CVE-2023-48732

JSON object : View

Products Affected

mattermost

mattermost_server

CWE

NVD-CWE-noinfo CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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