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
Published: 2024-08-01
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

Vendor Solution

Update Mattermost to versions 9.10.0, 9.9.1, 9.5.7, 9.7.6, 9.8.2 or higher.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2024-2562 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
Github GHSA Github GHSA GHSA-cmc8-222c-vqp9 Mattermost failed to properly validate that the channel that comes from the sync message is a shared channel
References
History

Fri, 23 Aug 2024 15:00:00 +0000

Type Values Removed Values Added
Weaknesses NVD-CWE-noinfo

Subscriptions

Mattermost Mattermost
cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2024-08-02T15:10:58.701Z

Reserved: 2024-07-23T18:35:14.790Z

Link: CVE-2024-39274

cve-icon Vulnrichment

Updated: 2024-08-02T15:10:10.358Z

cve-icon NVD

Status : Analyzed

Published: 2024-08-01T15:15:12.150

Modified: 2024-08-23T14:39:29.247

Link: CVE-2024-39274

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses