CVE-2024-39830

High

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.

SeverityHigh
CVSS8.1
Exploit probability—
ProductMattermost
PublishedJul 3, 2024
First seenJul 3, 2024

How to fix

Update
  • mattermost mattermost9.5.6, 9.6.3, 9.7.5, 9.8.1 or later

Affected products

ProductAffected versionsFixed in
mattermost mattermost9.5.0 ≤ v < 9.5.6, 9.6.0 ≤ v < 9.6.3, 9.7.0 ≤ v < 9.7.5, 9.8.0 ≤ v < 9.8.19.5.6, 9.6.3, 9.7.5, 9.8.1

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