CVE-2022-2406

Malicious imports can lead to Denial of Service

Description

The legacy Slack import feature in Mattermost version 6.7.0 and earlier fails to properly limit the sizes of imported files, which allows an authenticated attacker to crash the server by importing large files via the Slack import REST API.

Remediation

Solution:

  • Update Mattermost to version v7.0.0, 6.7.1, 6.6.2, 6.5.2, 6.3.9 or higher.

Categories

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.17%
Vendor Advisory mattermost.com
Affected: Mattermost Mattermost
Published at:
Updated at:

References

Link Tags
https://mattermost.com/security-updates/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-2406?
CVE-2022-2406 has been scored as a medium severity vulnerability.
How to fix CVE-2022-2406?
To fix CVE-2022-2406: Update Mattermost to version v7.0.0, 6.7.1, 6.6.2, 6.5.2, 6.3.9 or higher.
Is CVE-2022-2406 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-2406 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-2406?
CVE-2022-2406 affects Mattermost Mattermost.
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