{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2017-3145",
        "ASSIGNER": "security-officer@isc.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "BIND was improperly sequencing cleanup operations on upstream recursion fetch contexts, leading in some cases to a use-after-free error that can trigger an assertion failure and crash in named. Affects BIND 9.0.0 to 9.8.x, 9.9.0 to 9.9.11, 9.10.0 to 9.10.6, 9.11.0 to 9.11.2, 9.9.3-S1 to 9.9.11-S1, 9.10.5-S1 to 9.10.6-S1, 9.12.0a1 to 9.12.0rc1."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "While this bug has existed in BIND since 9.0.0, there are no known code paths leading to it in ISC releases prior to those containing the fix for CVE-2017-3137.  Thus while all instances of BIND ought to be patched, only ISC versions [9.9.9-P8 to 9.9.11, 9.10.4-P8 to 9.10.6, 9.11.0-P5 to 9.11.2, 9.9.9-S10 to 9.9.11-S1, 9.10.5-S1 to 9.10.6-S1, and 9.12.0a1 to 9.12.0rc1] acting as DNSSEC validating resolvers are currently known to crash due to this bug.  The known crash is an assertion failure in netaddr.c."
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "ISC",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "BIND 9",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "9.0.0 to 9.8.x, 9.9.0 to 9.9.11, 9.10.0 to 9.10.6, 9.11.0 to 9.11.2, 9.9.3-S1 to 9.9.11-S1, 9.10.5-S1 to 9.10.6-S1, 9.12.0a1 to 9.12.0rc1"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://access.redhat.com/errata/RHSA-2018:0102",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2018:0102"
            },
            {
                "url": "https://access.redhat.com/errata/RHSA-2018:0487",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2018:0487"
            },
            {
                "url": "https://www.debian.org/security/2018/dsa-4089",
                "refsource": "MISC",
                "name": "https://www.debian.org/security/2018/dsa-4089"
            },
            {
                "url": "https://access.redhat.com/errata/RHSA-2018:0488",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2018:0488"
            },
            {
                "url": "https://access.redhat.com/errata/RHSA-2018:0101",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2018:0101"
            },
            {
                "url": "http://www.securitytracker.com/id/1040195",
                "refsource": "MISC",
                "name": "http://www.securitytracker.com/id/1040195"
            },
            {
                "url": "https://kb.isc.org/docs/aa-01542",
                "refsource": "MISC",
                "name": "https://kb.isc.org/docs/aa-01542"
            },
            {
                "url": "http://www.securityfocus.com/bid/102716",
                "refsource": "MISC",
                "name": "http://www.securityfocus.com/bid/102716"
            },
            {
                "url": "https://lists.debian.org/debian-lts-announce/2018/01/msg00029.html",
                "refsource": "MISC",
                "name": "https://lists.debian.org/debian-lts-announce/2018/01/msg00029.html"
            },
            {
                "url": "https://security.netapp.com/advisory/ntap-20180117-0003/",
                "refsource": "MISC",
                "name": "https://security.netapp.com/advisory/ntap-20180117-0003/"
            },
            {
                "url": "https://supportportal.juniper.net/s/article/2018-07-Security-Bulletin-SRX-Series-Vulnerabilities-in-ISC-BIND-named",
                "refsource": "MISC",
                "name": "https://supportportal.juniper.net/s/article/2018-07-Security-Bulletin-SRX-Series-Vulnerabilities-in-ISC-BIND-named"
            }
        ]
    },
    "source": {
        "discovery": "UNKNOWN"
    },
    "work_around": [
        {
            "lang": "en",
            "value": "If an operator is experiencing crashes due to this, temporarily disabling DNSSEC validation can be used to avoid the known problematic code path while replacement builds are prepared."
        }
    ],
    "solution": [
        {
            "lang": "en",
            "value": "Upgrade to the patched release most closely related to your current version of BIND.  These can all be downloaded from http://www.isc.org/downloads.\n\n    BIND 9 version 9.9.11-P1\n    BIND 9 version 9.10.6-P1\n    BIND 9 version 9.11.2-P1\n    BIND 9 version 9.12.0rc2\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n    BIND 9 version 9.9.11-S2\n    BIND 9 version 9.10.6-S2"
        }
    ],
    "credits": [
        {
            "lang": "en",
            "value": "ISC would like to thank Jayachandran Palanisamy of Cygate AB for making us aware of this vulnerability."
        }
    ],
    "impact": {
        "cvss": [
            {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.0"
            }
        ]
    }
}