cvelist/2022/2xxx/CVE-2022-2408.json

{
    "CVE_data_meta": {
        "ASSIGNER": "responsibledisclosure@mattermost.com",
        "ID": "CVE-2022-2408",
        "STATE": "PUBLIC",
        "TITLE": "Guest accounts can list all public channels"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Mattermost",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_value": "6.3.8"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_name": "6.4.x",
                                            "version_value": "6.4.x"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "6.5.x",
                                            "version_value": "6.5.1"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "6.6.x",
                                            "version_value": "6.6.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_name": "6.7.x",
                                            "version_value": "6.7.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Mattermost"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Thanks to Rohit KC for contributing to this improvement under the Mattermost responsible disclosure policy."
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "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": [
                    {
                        "lang": "eng",
                        "value": "CWE-200 Information Exposure"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://mattermost.com/security-updates/",
                "name": "https://mattermost.com/security-updates/"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "Update Mattermost to version v7.0.0, 6.7.1, 6.6.2, 6.5.2, 6.3.9 or higher."
        }
    ],
    "source": {
        "advisory": "MMSA-2022-00110",
        "defect": [
            "https://mattermost.atlassian.net/browse/MM-44580"
        ],
        "discovery": "EXTERNAL"
    }
}