CVE-2020-8623

HIGH

BIND 9.* - DoS

Title source: llm

Description

In BIND 9.10.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.10.5-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulnerable, the system must: * be running BIND that was built with "--enable-native-pkcs11" * be signing one or more zones with an RSA key * be able to receive queries from a possible attacker

References (11)

Scores

CVSS v3 7.5
EPSS 0.1832
EPSS Percentile 95.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE
CWE-617
Status published

Affected Products (14)

isc/bind < 9.11.21
isc/bind
isc/bind
fedoraproject/fedora
fedoraproject/fedora
opensuse/leap
opensuse/leap
debian/debian_linux
debian/debian_linux
canonical/ubuntu_linux
canonical/ubuntu_linux
canonical/ubuntu_linux
synology/dns_server < 2.2.2-5027
netapp/steelstore_cloud_integrated_storage

Timeline

Published Aug 21, 2020
Tracked Since Feb 18, 2026