CVE-2020-8618

A buffer boundary check assertion in rdataset.c can fail incorrectly during zone transfer

Published Jun 17, 2020 CVSS 3.1 · 4.9 Medium EPSS 1.9% KEV · Not listed
Description
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.

Remediation

Vendor Solution

Upgrade to the patched release most closely related to your current version of BIND: BIND 9.16.4


Vendor Workaround

None

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-29466 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.
Ubuntu USN Ubuntu USN USN-4399-1 Bind vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
isc
Published
Updated
Sep 16, 2024, 11:36 PM
Reserved
Feb 5, 2020, 12:00 AM
Status
Modified
Published
Jun 17, 2020, 10:15 PM
Modified
Jun 17, 2026, 3:26 AM
Severity
Moderate
Public date
Jun 17, 2020, 12:00 AM