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{"acknowledgement": "Red Hat would like to thank ISC for reporting this issue.", "bugzilla": {"description": "bind: A buffer boundary check assertion in rdataset.c can fail incorrectly during zone transfer", "id": "1847242", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1847242"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-125->CWE-617", "details": ["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.", "An assertion check flaw caused by a buffer boundary check condition was found in BIND. A remote attacker could trigger this flaw via a large response, during zone transfer. The highest threat from this vulnerability is to system availability."], "name": "CVE-2020-8618", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "bind", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "bind97", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "bind", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "bind", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "bind", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2020-06-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-8618\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-8618\nhttps://kb.isc.org/docs/cve-2020-8618"], "statement": "This flaw only affects bind-9.16.x, therefore versions of BIND shipped with Red Hat Products are not affected by this flaw.", "threat_severity": "Moderate", "upstream_fix": "bind 9.16.4"}