{
    "CVE_data_meta": {
        "ASSIGNER": "security@ubuntu.com",
        "DATE_PUBLIC": "2018-07-11T16:00:00.000Z",
        "ID": "CVE-2018-6553",
        "STATE": "PUBLIC",
        "TITLE": "AppArmor cupsd Sandbox Bypass Due to Use of Hard Links"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "cups",
                                "version": {
                                    "version_data": [
                                        {
                                            "affected": "<",
                                            "platform": "Ubuntu 18.04 LTS",
                                            "version_value": "2.2.7-1ubuntu2.1"
                                        },
                                        {
                                            "affected": "<",
                                            "platform": "Ubuntu 17.10",
                                            "version_value": "2.2.4-7ubuntu3.1"
                                        },
                                        {
                                            "affected": "<",
                                            "platform": "Ubuntu 16.04 LTS",
                                            "version_value": "2.1.3-4ubuntu0.5"
                                        },
                                        {
                                            "affected": "<",
                                            "platform": "Ubuntu 14.04 LTS",
                                            "version_value": "1.7.2-0ubuntu1.10"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Dan Bastone"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The CUPS AppArmor profile incorrectly confined the dnssd backend due to use of hard links. A local attacker could possibly use this issue to escape confinement. This flaw affects versions prior to 2.2.7-1ubuntu2.1 in Ubuntu 18.04 LTS, prior to 2.2.4-7ubuntu3.1 in Ubuntu 17.10, prior to 2.1.3-4ubuntu0.5 in Ubuntu 16.04 LTS, and prior to 1.7.2-0ubuntu1.10 in Ubuntu 14.04 LTS."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Escape from sandbox confinement"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "USN-3713-1",
                "refsource": "UBUNTU",
                "url": "https://usn.ubuntu.com/usn/usn-3713-1"
            },
            {
                "name": "DSA-4243",
                "refsource": "DEBIAN",
                "url": "https://www.debian.org/security/2018/dsa-4243"
            },
            {
                "name": "[debian-lts-announce] 20180714 [SECURITY] [DLA 1426-1] cups security update",
                "refsource": "MLIST",
                "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00014.html"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-201908-08",
                "url": "https://security.gentoo.org/glsa/201908-08"
            }
        ]
    },
    "source": {
        "advisory": "USN-3713-1",
        "discovery": "EXTERNAL"
    }
}