cvelist/2021/32xxx/CVE-2021-32547.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security@ubuntu.com",
        "DATE_PUBLIC": "2021-05-25T00:00:00.000Z",
        "ID": "CVE-2021-32547",
        "STATE": "PUBLIC",
        "TITLE": "apport read_file() function could follow maliciously constructed symbolic links"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "apport",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "2.20.1",
                                            "version_value": "2.20.1-0ubuntu2.30+esm1"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "2.20.9",
                                            "version_value": "2.20.9-0ubuntu7.24"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "2.20.11-0ubuntu27",
                                            "version_value": "2.20.11-0ubuntu27.18"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "2.20.11-0ubuntu50",
                                            "version_value": "2.20.11-0ubuntu50.7"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "2.20.11-0ubuntu65",
                                            "version_value": "2.20.11-0ubuntu65.1"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "2.14.1-0ubuntu3",
                                            "version_value": "2.14.1-0ubuntu3.29+esm7"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Canonical"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "maik@secfault-security.com (@fktio)"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-lts package apport hooks, it could expose private data to other local users."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-59 Improper Link Resolution Before File Access ('Link Following')"
                    }
                ]
            },
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-61 UNIX Symbolic Link (Symlink) Following"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904",
                "name": "https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904"
            }
        ]
    },
    "source": {
        "advisory": "https://ubuntu.com/security/notices/USN-4965-1",
        "defect": [
            "https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904"
        ],
        "discovery": "EXTERNAL"
    }
}