gsd-2024-1942
Vulnerability from gsd
Modified
2024-02-28 06:02
Details
Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, and 9.3.0 fail to sanitize the metadata on posts containing permalinks under specific conditions, which allows an authenticated attacker to access the contents of individual posts in channels they are not a member of.
Aliases



{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2024-1942"
      ],
      "details": "Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, and 9.3.0 fail to sanitize the metadata on posts containing permalinks under specific conditions, which allows an authenticated attacker to access the contents of individual posts in channels they are not a member of.\n\n",
      "id": "GSD-2024-1942",
      "modified": "2024-02-28T06:02:28.984301Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "responsibledisclosure@mattermost.com",
        "ID": "CVE-2024-1942",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Mattermost",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "unaffected",
                            "versions": [
                              {
                                "lessThanOrEqual": "9.2.4",
                                "status": "affected",
                                "version": "9.2.0",
                                "versionType": "semver"
                              },
                              {
                                "lessThanOrEqual": "8.1.8",
                                "status": "affected",
                                "version": "8.1.0",
                                "versionType": "semver"
                              },
                              {
                                "status": "affected",
                                "version": "9.3.0"
                              },
                              {
                                "status": "unaffected",
                                "version": "9.4"
                              },
                              {
                                "status": "unaffected",
                                "version": "9.3.1"
                              },
                              {
                                "status": "unaffected",
                                "version": "9.2.5"
                              },
                              {
                                "status": "unaffected",
                                "version": "8.1.9"
                              }
                            ]
                          }
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Mattermost"
            }
          ]
        }
      },
      "credits": [
        {
          "lang": "en",
          "value": "Juho Nurminen"
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, and 9.3.0 fail to sanitize the metadata on posts containing permalinks under specific conditions, which allows an authenticated attacker to access the contents of individual posts in channels they are not a member of.\n\n"
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.1.0-dev"
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-284",
                "lang": "eng",
                "value": "CWE-284: Improper Access Control"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://mattermost.com/security-updates",
            "refsource": "MISC",
            "url": "https://mattermost.com/security-updates"
          }
        ]
      },
      "solution": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eUpdate Mattermost Server to versions 9.4, 9.3.1, 9.2.5, 8.1.9 or higher.\u003c/p\u003e"
            }
          ],
          "value": "Update Mattermost Server to versions 9.4, 9.3.1, 9.2.5, 8.1.9 or higher.\n\n"
        }
      ],
      "source": {
        "advisory": "MMSA-2023-00283",
        "defect": [
          "https://mattermost.atlassian.net/browse/MM-55495"
        ],
        "discovery": "INTERNAL"
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, and 9.3.0 fail to sanitize the metadata on posts containing permalinks under specific conditions, which allows an authenticated attacker to access the contents of individual posts in channels they are not a member of.\n\n"
          }
        ],
        "id": "CVE-2024-1942",
        "lastModified": "2024-02-29T13:49:29.390",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 4.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 1.4,
              "source": "responsibledisclosure@mattermost.com",
              "type": "Secondary"
            }
          ]
        },
        "published": "2024-02-29T11:15:07.290",
        "references": [
          {
            "source": "responsibledisclosure@mattermost.com",
            "url": "https://mattermost.com/security-updates"
          }
        ],
        "sourceIdentifier": "responsibledisclosure@mattermost.com",
        "vulnStatus": "Awaiting Analysis",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-284"
              }
            ],
            "source": "responsibledisclosure@mattermost.com",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}


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