Improper Access Control Affecting github.com/mattermost/mattermost/server/channels/store/sqlstore package, versions <9.5.7>=9.7.0 <9.7.6>=9.8.0 <9.8.2>=9.9.0 <9.9.1


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERCHANNELSSTORESQLSTORE-7577954
  • published2 Aug 2024
  • disclosed1 Aug 2024
  • creditJuho Forsén

Introduced: 1 Aug 2024

CVE-2024-39274  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade github.com/mattermost/mattermost/server/channels/store/sqlstore to version 9.5.7, 9.7.6, 9.8.2, 9.9.1 or higher.

Overview

Affected versions of this package are vulnerable to Improper Access Control due to improper validation of shared channel synchronization messages. An attacker can add users to arbitrary teams and channels by sending crafted synchronization messages.

CVSS Scores

version 4.0
version 3.1