A vulnerability has been identified in Rocket.Chat, where the ACL checks in the Slash Command /mute occur after checking whether a user is a member of a given channel, leaking private channel members to unauthorized users. This allows authenticated users to enumerate whether a username is a member of a channel that they do not have access to.
References
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published: 2023-05-11T00:00:00

Updated: 2024-08-02T12:38:25.076Z

Reserved: 2023-03-15T00:00:00

Link: CVE-2023-28357

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2023-05-11T22:15:09.940

Modified: 2023-05-22T14:29:54.037

Link: CVE-2023-28357

cve-icon Redhat

No data.