cvelist/2021/3xxx/CVE-2021-3155.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security@ubuntu.com",
        "ID": "CVE-2021-3155",
        "STATE": "PUBLIC",
        "TITLE": "snapd created ~/snap with too-wide permissions"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "snapd",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_value": "2.54.2"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Canonical Ltd."
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "James Troup"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "snapd 2.54.2 and earlier created ~/snap directories in user home directories without specifying owner-only permissions. This could allow a local attacker to read information that should have been private. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 3.8,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-276 Incorrect Default Permissions"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://ubuntu.com/security/notices/USN-5292-1",
                "name": "https://ubuntu.com/security/notices/USN-5292-1"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/snapcore/snapd/commit/6bcaeeccd16ed8298a301dd92f6907f88c24cc85",
                "name": "https://github.com/snapcore/snapd/commit/6bcaeeccd16ed8298a301dd92f6907f88c24cc85"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/snapcore/snapd/commit/7d2a966620002149891446a53cf114804808dcca",
                "name": "https://github.com/snapcore/snapd/commit/7d2a966620002149891446a53cf114804808dcca"
            }
        ]
    },
    "source": {
        "discovery": "USER"
    }
}