GHSA-6mx3-9qfh-77gj

Suggest an improvement
Source
https://github.com/advisories/GHSA-6mx3-9qfh-77gj
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/02/GHSA-6mx3-9qfh-77gj/GHSA-6mx3-9qfh-77gj.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-6mx3-9qfh-77gj
Aliases
Related
Published
2024-02-29T09:30:34Z
Modified
2025-01-11T07:57:00.823584Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator
Summary
Mattermost denial of service through long emoji value
Details

Mattermost fails to properly validate the length of the emoji value in the custom user status, allowing an attacker to send multiple times a very long string as an emoji value causing high resource consumption and possibly crashing the server.

Database specific
{
    "nvd_published_at": "2024-02-29T08:15:47Z",
    "cwe_ids": [
        "CWE-400"
    ],
    "severity": "MODERATE",
    "github_reviewed": true,
    "github_reviewed_at": "2024-02-29T22:48:30Z"
}
References

Affected packages

Go / github.com/mattermost/mattermost/server/v8

Package

Name
github.com/mattermost/mattermost/server/v8
View open source insights on deps.dev
Purl
pkg:golang/github.com/mattermost/mattermost/server/v8

Affected ranges

Type
SEMVER
Events
Introduced
9.3.0
Fixed
9.3.1

Go / github.com/mattermost/mattermost/server/v8

Package

Name
github.com/mattermost/mattermost/server/v8
View open source insights on deps.dev
Purl
pkg:golang/github.com/mattermost/mattermost/server/v8

Affected ranges

Type
SEMVER
Events
Introduced
9.2.0
Fixed
9.2.5