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HIGH

A flaw in native PKCS#11 code can lead to a remotely triggerable assertion failure in pk11.c

Published Aug 21, 2020

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

Affected products

Remediation

Vendor solution

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

BIND 9.11.22 BIND 9.16.6 BIND 9.17.4

BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.

BIND 9.11.22-S1

References (16)

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED
Assigner isc
Published Aug 21, 2020
Updated Sep 17, 2024
Reserved Feb 5, 2020

CISA Vulnrichment

No data

NVD

Status Modified
Modified Jun 17, 2026

Red Hat

Severity Moderate
Public date Aug 20, 2020
Bugzilla 1869477

ENISA EUVD

Assigner isc
Published Aug 21, 2020
Updated Sep 17, 2024

GitHub

No data