Mattermost versions 9.5.x <= 9.5.5 and 9.8.0, when using shared channels with multiple remote servers connected, fail to check that the remote server A requesting the server B to update the profile picture of a user is the remote that actually has the user as a local one . This allows a malicious remote A to change the profile images of users that belong to another remote server C that is connected to the server A.
References
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published: 2024-07-03T08:29:10.457Z

Updated: 2024-08-02T03:37:03.658Z

Reserved: 2024-07-01T10:22:11.588Z

Link: CVE-2024-36257

cve-icon Vulnrichment

Updated: 2024-08-02T03:37:03.658Z

cve-icon NVD

Status : Analyzed

Published: 2024-07-03T09:15:06.247

Modified: 2024-07-05T17:06:28.517

Link: CVE-2024-36257

cve-icon Redhat

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