Vulnerability · Published Aug 1, 2024 · Assigned by Mattermost

CVE-2024-41162Malicious remote can make an arbitrary local channel read-only

Medium 4.1

In plain English

A medium-severity improper access control in Mattermost from Mattermost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.1Medium
Exploit odds (30 days)0.3%top 79.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 disallow the modification of local channels by a remote, when shared channels are enabled, which allows a malicious remote to make an arbitrary local channel read-only.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/mattermost/mattermost5.3.2-0.20240628125750-70b218839fa7GHSA-jr9x-3x7m-4j75
Gogithub.com/mattermost/mattermost-server9.5.7+incompatible, 9.7.6+incompatible, 9.8.2+incompatible, 9.9.1+incompatibleGO-2024-3031
Gogithub.com/mattermost/mattermost-server/v5no fix listedGO-2024-3031
Gogithub.com/mattermost/mattermost-server/v6no fix listedGO-2024-3031
Gogithub.com/mattermost/mattermost/server/v89.5.7GHSA-jr9x-3x7m-4j75
Gogithub.com/mattermost/mattermost/server/v89.7.6GHSA-jr9x-3x7m-4j75
Gogithub.com/mattermost/mattermost/server/v89.8.2GHSA-jr9x-3x7m-4j75
Gogithub.com/mattermost/mattermost/server/v89.9.1GHSA-jr9x-3x7m-4j75
Gogithub.com/mattermost/mattermost/server/v88.0.0-20240628125750-70b218839fa7GHSA-jr9x-3x7m-4j75
Gogithub.com/mattermost/mattermost/server/v8no fix listedGO-2024-3031

Affected products (as reported)

VendorProductVersions
Mattermost Mattermost 9.9.09.5.0 – through 9.5.69.7.0 – through 9.7.59.8.0 – through 9.8.1

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N

References