CVE-2023-48732

Keywords that trigger mentions are leaked to other users

Published: Jan 2, 2024Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-200

4.3MEDIUM

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:LConfidentiality

Low

I:NIntegrity

None

A:NAvailability

None

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Weaknesses

CWE-200 NVD-CWE-noinfo

Affected Products

Mattermost

commercial·US

MattermostOn-premWeb App

Communications / messaging-chat

mattermost serverOn-premWeb App

Communications / messaging-chat

package-ecosystem

github.com/mattermost/mattermost/server/v8

OSS Libraries

github.com/mattermost/mattermost-server/v6

OSS Libraries

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Collection

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References

https://mattermost.com/security-updates

mattermost.com

https://nvd.nist.gov/vuln/detail/CVE-2023-48732

nvd.nist.gov

https://github.com/mattermost/mattermost/commit/851515be222160bee0a495c0d411056b19ed4111

github.com

and 2 more references View all →

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