Description
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.
Published: 2023-05-11
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2023-32055 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
Link Providers
https://hackerone.com/reports/1445810 cve-icon cve-icon
History

Mon, 27 Jan 2025 17:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-863
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Subscriptions

Rocket.chat Rocket.chat
cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2025-01-27T17:11:35.726Z

Reserved: 2023-03-15T00:00:00.000Z

Link: CVE-2023-28357

cve-icon Vulnrichment

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

cve-icon NVD

Status : Modified

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

Modified: 2025-01-27T18:15:33.477

Link: CVE-2023-28357

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses