CVE-2022-0903

Stack overflow in SAML login in Mattermost

Description

A call stack overflow bug in the SAML login feature in Mattermost server in versions up to and including 6.3.2 allows an attacker to crash the server via submitting a maliciously crafted POST body.

Remediation

Solution:

  • Update the Mattermost version to v6.3.3, 6.2.3, 6.1.3, or 5.37.8, depending on the minor version being run

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.26%
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-2022-0903?
CVE-2022-0903 has been scored as a medium severity vulnerability.
How to fix CVE-2022-0903?
To fix CVE-2022-0903: Update the Mattermost version to v6.3.3, 6.2.3, 6.1.3, or 5.37.8, depending on the minor version being run
Is CVE-2022-0903 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-0903 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-2022-0903?
CVE-2022-0903 affects Mattermost Mattermost.
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