Vulnerability-Lookup

GHSA-6MX3-9QFH-77GJ

Vulnerability from github – Published: 2024-02-29 09:30 – Updated: 2025-01-10 18:32

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.

Severity ?

4.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

5.3 (Medium)


                  
                    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

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JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost/server/v8"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.3.0"
            },
            {
              "fixed": "9.3.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost/server/v8"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.2.0"
            },
            {
              "fixed": "9.2.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-24988"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-02-29T22:48:30Z",
    "nvd_published_at": "2024-02-29T08:15:47Z",
    "severity": "MODERATE"
  },
  "details": "Mattermost fails to properly validate the length of the emoji value in the custom user status, allowing an attacker to send\u00a0multiple times a very long string as an emoji value causing high resource consumption and possibly crashing the server.\n\n",
  "id": "GHSA-6mx3-9qfh-77gj",
  "modified": "2025-01-10T18:32:25Z",
  "published": "2024-02-29T09:30:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-24988"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mattermost/mattermost"
    },
    {
      "type": "WEB",
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Mattermost denial of service through long emoji value"
}

CVE-2024-24988 (GCVE-0-2024-24988)

Vulnerability from cvelistv5 – Published: 2024-02-29 08:06 – Updated: 2024-08-01 23:36

Title

Excessive resource consumption when sending long emoji names in user custom status

Summary

Severity ?

4.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

Mattermost

References

URL

Tags

https://mattermost.com/security-updates

Impacted products

	Vendor	Product	Version
	Mattermost	Mattermost	Affected: 0 , ≤ 9.2.4 (semver) Affected: 0 , ≤ 8.1.8 (semver) Affected: 0 , ≤ 9.3.0 (semver) Unaffected: 9.4.0 Unaffected: 9.3.1 Unaffected: 9.2.5 Unaffected: 8.1.9

Credits

Gian Klug (coderion)

Show details on NVD website

JSON

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                  },
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                "role": "CISA Coordinator",
                "timestamp": "2024-03-01T18:32:28.384741Z",
                "version": "2.0.3"
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-6MX3-9QFH-77GJ

CVE-2024-24988 (GCVE-0-2024-24988)

Tags

Sightings

Nomenclature