CVE-2024-36257
Low
Description
Mattermost versions 9.5.x <= 9.5.5 and 9.8.0, when using shared channels with multiple remote servers connected, fail to check that the remote server A requesting the server B to update the profile picture of a user is the remote that actually has the user as a local one . This allows a malicious remote A to change the profile images of users that belong to another remote server C that is connected to the server A.
SeverityLow
CVSS2.7
Exploit probability—
Product
Mattermost
PublishedJul 3, 2024
First seenJul 3, 2024
Weakness typeCWE-284Improper access control
How to fix
Update
- mattermost mattermost9.5.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mattermost mattermost | 9.5.0 ≤ v < 9.5.6, 9.8.0 | 9.5.6 |
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