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CVE-2024-36257

Lack of permission check when updating the profile picture of a remote user (shared channels enabled) PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Mattermost / Mattermostaffected 9.8.0; affected 9.5.0 through 9.5.5; unaffected 9.9.0; unaffected 9.8.1; unaffected 9.5.6

CWE

CWE-284

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.