VYPR
Critical severityNVD Advisory· Published Aug 1, 2024· Updated Aug 2, 2024

Malicious remote can add users to arbitrary teams and channels

CVE-2024-39274

Description

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to properly validate that the channel that comes from the sync message is a shared channel, when shared channels are enabled, which allows a malicious remote to add users to arbitrary teams and channels

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
github.com/mattermost/mattermost/server/v8Go
>= 9.5.0, < 9.5.79.5.7
github.com/mattermost/mattermost/server/v8Go
>= 9.7.0, < 9.7.69.7.6
github.com/mattermost/mattermost/server/v8Go
>= 9.8.0, < 9.8.29.8.2
github.com/mattermost/mattermost/server/v8Go
>= 9.9.0, < 9.9.19.9.1

Affected products

2

Patches

Vulnerability mechanics

References

4

News mentions

0

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