cvelist/2020/26xxx/CVE-2020-26261.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2020-26261",
        "STATE": "PUBLIC",
        "TITLE": "user-readable api tokens in systemd units"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "systemdspawner",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "< 0.15"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "jupyterhub"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "jupyterhub-systemdspawner enables JupyterHub to spawn single-user notebook servers using systemd. In jupyterhub-systemdspawner before version 0.15 user API tokens issued to single-user servers are specified in the environment of systemd units. These tokens are incorrectly accessible to all users. In particular, the-littlest-jupyterhub is affected, which uses systemdspawner by default. This is patched in jupyterhub-systemdspawner v0.15"
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 7.9,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-668: Exposure of Resource to Wrong Sphere"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/jupyterhub/systemdspawner/security/advisories/GHSA-cg54-gpgr-4rm6",
                "refsource": "CONFIRM",
                "url": "https://github.com/jupyterhub/systemdspawner/security/advisories/GHSA-cg54-gpgr-4rm6"
            },
            {
                "name": "https://github.com/jupyterhub/systemdspawner/commit/a4d08fd2ade1cfd0ef2c29dc221e649345f23580",
                "refsource": "MISC",
                "url": "https://github.com/jupyterhub/systemdspawner/commit/a4d08fd2ade1cfd0ef2c29dc221e649345f23580"
            },
            {
                "name": "https://github.com/jupyterhub/systemdspawner/blob/master/CHANGELOG.md#v015",
                "refsource": "MISC",
                "url": "https://github.com/jupyterhub/systemdspawner/blob/master/CHANGELOG.md#v015"
            },
            {
                "name": "https://pypi.org/project/jupyterhub-systemdspawner/",
                "refsource": "MISC",
                "url": "https://pypi.org/project/jupyterhub-systemdspawner/"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-cg54-gpgr-4rm6",
        "discovery": "UNKNOWN"
    }
}