CVE-2024-1942
Medium
Description
Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, and 9.3.0 fail to sanitize the metadata on posts containing permalinks under specific conditions, which allows an authenticated attacker to access the contents of individual posts in channels they are not a member of.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Mattermost Server
PublishedFeb 29, 2024
First seenFeb 29, 2024
Weakness typeCWE-284Improper access control
How to fix
Update
- mattermost mattermost_server8.1.9, 9.2.5 or later
- github.com/mattermost/mattermost/server/v89.3.1, 9.2.5, 8.1.9 or later
- github.com/mattermost/mattermost-server9.2.5+incompatible, 9.3.1+incompatible or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mattermost mattermost_server | 8.1.0 ≤ v < 8.1.9, 9.2.0 ≤ v < 9.2.5, 9.3.0 | 8.1.9, 9.2.5 |
| github.com/mattermost/mattermost/server/v8Go | 9.3.0 ≤ v < 9.3.1, 9.2.0 ≤ v < 9.2.5, v < 8.1.9, No range specified | 9.3.1, 9.2.5, 8.1.9 |
| github.com/mattermost/mattermost-serverGo | 9.2.0+incompatible ≤ v < 9.2.5+incompatible, 9.3.0+incompatible ≤ v < 9.3.1+incompatible | 9.2.5+incompatible, 9.3.1+incompatible |
| github.com/mattermost/mattermost-server/v5Go | No range specified | — |
| github.com/mattermost/mattermost-server/v6Go | No range specified | — |
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