Vulnerability · Published Apr 13, 2022 · Assigned by Mattermost
CVE-2022-1337OOM DoS in Mattermost image proxy
Medium 4.3
In plain English
A medium-severity uncontrolled resource consumption 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 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.9%top 39.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | no fix listed | GO-2022-0595 |
| Go | github.com/mattermost/mattermost-server/v5 | no fix listed | GO-2022-0595 |
| Go | github.com/mattermost/mattermost-server/v6 | 6.4.2 | GHSA-f37q-q7p2-ccfc |
| Go | github.com/mattermost/mattermost-server/v6 | 6.4.2 | GO-2022-0595 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 6.4 – before 6.4.26.3 – before 6.3.56.2 – before 6.2.55.37 – before 5.37.9 |
Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
References
- https://mattermost.com/security-updates/ x_refsource_MISC