Vulnerability-Lookup

GHSA-9W97-9RQX-8V4J

Vulnerability from github – Published: 2024-01-02 12:30 – Updated: 2024-07-08 19:43

Summary

Mattermost allows demoted guests to change group names

Details

Mattermost fails to update the permissions of the current session for a user who was just demoted to guest, allowing freshly demoted guests to change group names.

Severity ?

3.7 (Low)


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

2.1 (Low)


                  
                    CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Show details on source website

JSON

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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 8.1.6"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost/server/v8"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.1.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-50333"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-284"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-01-03T21:42:57Z",
    "nvd_published_at": "2024-01-02T10:15:08Z",
    "severity": "LOW"
  },
  "details": "Mattermost fails to update the permissions of the current session for a user who was just demoted to guest, allowing\u00a0freshly demoted guests to change group names.\n\n",
  "id": "GHSA-9w97-9rqx-8v4j",
  "modified": "2024-07-08T19:43:52Z",
  "published": "2024-01-02T12:30:18Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-50333"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mattermost/mattermost/commit/61dd452fb2fcd3ac6f7b2e050f7f0a93a92d95fc"
    },
    {
      "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:H/PR:L/UI:R/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Mattermost allows demoted guests to change group names"
}

CVE-2023-50333 (GCVE-0-2023-50333)

Vulnerability from cvelistv5 – Published: 2024-01-02 09:53 – Updated: 2025-06-17 13:35

Title

Lack of restriction to manage group names for freshly demoted guests

Summary

Mattermost fails to update the permissions of the current session for a user who was just demoted to guest, allowing freshly demoted guests to change group names.

Severity ?

3.7 (Low)


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

CWE

CWE-284 - Improper Access Control

Assigner

Mattermost

References

URL

Tags

https://mattermost.com/security-updates

Impacted products

	Vendor	Product	Version
	Mattermost	Mattermost	Affected: 0 , ≤ 9.2.2 (semver) Affected: 0 , ≤ 8.1.6 (semver) Unaffected: 8.1.7

Credits

Leandro Chaves (brdoors3)

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-02T22:16:46.618Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "tags": [
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            ],
            "url": "https://mattermost.com/security-updates"
          }
        ],
        "title": "CVE Program Container"
      },
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        "metrics": [
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                "role": "CISA Coordinator",
                "timestamp": "2024-01-25T20:50:46.870514Z",
                "version": "2.0.3"
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          ],
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        }
      ],
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        "defect": [
          "https://mattermost.atlassian.net/browse/MM-54773"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "Lack of restriction to manage group names for freshly demoted guests",
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  "cveMetadata": {
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    "dateReserved": "2023-12-21T08:00:43.432Z",
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  },
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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-9W97-9RQX-8V4J

CVE-2023-50333 (GCVE-0-2023-50333)

Tags

Sightings

Nomenclature