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OpenAdvisories
High · 8.1 CVE-2024-39830 EUVD-2024-38258GHSA-vmvm-jjvw-qwpw

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

Published Jul 3, 2024 · Updated Aug 2, 2024 · Assigned by Mattermost

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.

Affected products

VendorProductAffectedFixed
Mattermost Mattermost 9.8.0, 9.7.0 – ≤ 9.7.4, 9.6.0 – ≤ 9.6.2, 9.5.0 – ≤ 9.5.5 9.9.0

References