CVE-2024-39830

Timing attack during remote cluster token comparison when shared channels are enabled

State: Published
Severity: 8.1 High
Published: Jul 3, 2024
Updated: Aug 2, 2024
Reserved: Jul 1, 2024

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	Mattermost

Weaknesses

CWE-287 Improper Authentication

Affected Products

Product	Versions
MattermostMattermost	9.8.0Affected 9.7.0 through 9.7.4Affected 9.6.0 through 9.6.2Affected 9.5.0 through 9.5.5Affected 9.9.0Not affected 9.8.1Not affected 9.7.5Not affected 9.6.3Not affected 9.5.6Not affected

References

https://mattermost.com/security-updates

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