cvelist/2020/8xxx/CVE-2020-8618.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security-officer@isc.org",
        "DATE_PUBLIC": "2020-06-10T19:10:14.000Z",
        "ID": "CVE-2020-8618",
        "STATE": "PUBLIC",
        "TITLE": "A buffer boundary check assertion in rdataset.c can fail incorrectly during zone transfer"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "BIND9",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "9.16.0 -> 9.16.3"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "ISC"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 4.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "An assertion check in BIND (that is meant to prevent going beyond the end of a buffer when processing incoming data) can be incorrectly triggered by a large response during zone transfer.  Versions affected: BIND 9.16.0 -> 9.16.3"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://kb.isc.org/docs/cve-2020-8618",
                "refsource": "CONFIRM",
                "url": "https://kb.isc.org/docs/cve-2020-8618"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20200625-0003/",
                "url": "https://security.netapp.com/advisory/ntap-20200625-0003/"
            },
            {
                "refsource": "UBUNTU",
                "name": "USN-4399-1",
                "url": "https://usn.ubuntu.com/4399-1/"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2020:1699",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2020:1701",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "Upgrade to the patched release most closely related to your current version of BIND:\n\n    BIND 9.16.4"
        }
    ],
    "source": {
        "discovery": "USER"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "None"
        }
    ]
}