CVE-2022-1337
Medium
Description
The image proxy component in Mattermost version 6.4.1 and earlier allocates memory for multiple copies of a proxied image, which allows an authenticated attacker to crash the server via links to very large image files.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Mattermost Server
PublishedApr 13, 2022
First seenApr 13, 2022
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- mattermost mattermost_server5.37.9, 6.2.5, 6.3.5, 6.4.2 or later
- github.com/mattermost/mattermost-server/v66.4.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mattermost mattermost_server | 5.37.0 ≤ v < 5.37.9, 6.2.0 ≤ v < 6.2.5, 6.3.0 ≤ v < 6.3.5, 6.4.0 ≤ v < 6.4.2 | 5.37.9, 6.2.5, 6.3.5, 6.4.2 |
| github.com/mattermost/mattermost-server/v6Go | v < 6.4.2 | 6.4.2 |
| github.com/mattermost/mattermost-serverGo | No range specified | — |
| github.com/mattermost/mattermost-server/v5Go | No range specified | — |
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