{
    "CVE_data_meta": {
        "ASSIGNER": "security@ubuntu.com",
        "DATE_PUBLIC": "2018-10-25T00:00:00.000Z",
        "ID": "CVE-2018-15688",
        "STATE": "PUBLIC",
        "TITLE": "Out-of-Bounds write in systemd-networkd dhcpv6 option handling"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "systemd",
                                "version": {
                                    "version_data": [
                                        {
                                            "affected": "<=",
                                            "version_value": "239"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "systemd"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Felix Wilhelm from the Google Security Team"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A buffer overflow vulnerability in the dhcp6 client of systemd allows a malicious dhcp6 server to overwrite heap memory in systemd-networkd. Affected releases are systemd: versions up to and including 239."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "dhcp6_option_append_ia() contained an incorrect buffer size calculation."
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "GLSA-201810-10",
                "refsource": "GENTOO",
                "url": "https://security.gentoo.org/glsa/201810-10"
            },
            {
                "name": "[debian-lts-announce] 20181119 [SECURITY] [DLA 1580-1] systemd security update",
                "refsource": "MLIST",
                "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00017.html"
            },
            {
                "name": "USN-3807-1",
                "refsource": "UBUNTU",
                "url": "https://usn.ubuntu.com/3807-1/"
            },
            {
                "name": "USN-3806-1",
                "refsource": "UBUNTU",
                "url": "https://usn.ubuntu.com/3806-1/"
            },
            {
                "name": "RHSA-2018:3665",
                "refsource": "REDHAT",
                "url": "https://access.redhat.com/errata/RHSA-2018:3665"
            },
            {
                "name": "105745",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/105745"
            },
            {
                "name": "https://github.com/systemd/systemd/pull/10518",
                "refsource": "MISC",
                "url": "https://github.com/systemd/systemd/pull/10518"
            },
            {
                "name": "RHSA-2019:0049",
                "refsource": "REDHAT",
                "url": "https://access.redhat.com/errata/RHSA-2019:0049"
            },
            {
                "refsource": "REDHAT",
                "name": "RHBA-2019:0327",
                "url": "https://access.redhat.com/errata/RHBA-2019:0327"
            }
        ]
    },
    "source": {
        "defect": [
            "https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1795921"
        ],
        "discovery": "EXTERNAL"
    }
}