CVE-2024-39830 HIGH

CVE-2024-39830: Timing attack during remote cluster token comparison when shared channels are enabled

Vendor Mattermost
Product Mattermost
Weakness CWE-287 · Improper authentication
Published July 3, 2024
Last update August 2, 2024
View on NVD All CVEs

CVSS base score

8.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Mattermost versions 9.8.x <= 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5, when shared channels are enabled, fail to use constant time comparison for remote cluster tokens which allows an attacker to retrieve the remote cluster token via a timing attack during remote cluster token comparison.

Key dates

02Disclosure timeline

July 3, 2024 CVE published
August 2, 2024 Record updated