PT-2020-13191 · Nlnet+7 · Unbound+7

Anat Bremler-Barr + 2 · Publicado 2020-05-19 · Atualizado 2024-06-15 · CVE-2020-12662

Positive Technologies (AI Summary) · Pt

CVSS v3.1

7.5

Alta

Vetor base

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Nome do software vulnerável e versões afetadas

Versões do Unbound anteriores à 1.10.1

Descrição

O problema está relacionado ao controle insuficiente do volume de mensagens de rede, também conhecido como problema “NXNSAttack”. Ele é desencadeado por subdomínios aleatórios no campo NSDNAME dos registros NS.

Recomendações

Para versões anteriores à 1.10.1, atualize para a versão 1.10.1 ou posterior para resolver o problema.

Correção

Resource Exhaustion

Enumeração de Fraquezas

CWE-400

Identificadores relacionados

ALT-PU-2020-1991

ALT-PU-2020-2007

AZL-6929

CESA-2020_2414

CESA-2020_2416

CVE-2020-12662

DLA-2556-1

DSA-4694-1

FREEBSD-SA-20_19

MGASA-2020-0224

OPENSUSE-SU-2020:0912-1

OPENSUSE-SU-2020:0913-1

OPENSUSE-SU-2020_0912-1

OPENSUSE-SU-2020_0913-1

OPENSUSE-SU-2024:11005-1

RHSA-2020:2414

RHSA-2020:2416

RHSA-2020:2418

RHSA-2020:2419

RHSA-2020:2640

RHSA-2020:4181

RHSA-2020_2414

RHSA-2020_2416

RHSA-2020_2640

SUSE-SU-2020:1772-1

SUSE-SU-2020:1819-1

USN-4374-1

Produtos afetados

Alt Linux

Centos

Freebsd

Linuxmint

Red Hat

Suse

Ubuntu

Unbound

Referências · 58

• https://osv.dev/vulnerability/USN-4374-1 · Aviso do Fabricante
• https://osv.dev/vulnerability/openSUSE-SU-2024:11005-1 · Aviso do Fabricante
• https://debian.org/security/2020/dsa-4694 · Aviso do Fabricante
• https://suse.com/security/cve/CVE-2020-12663 · Nota
• https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txt · Aviso do Fabricante
• https://osv.dev/vulnerability/openSUSE-SU-2020:0913-1 · Aviso do Fabricante
• https://osv.dev/vulnerability/MGASA-2020-0224 · Aviso do Fabricante
• https://osv.dev/vulnerability/AZL-6929 · Aviso do Fabricante
• https://suse.com/security/cve/CVE-2019-18934 · Nota
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F5NFROI2OMCZLYRTCNGHGO3TUD32LCIQ · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2020-12663 · Aviso do Fabricante
• https://osv.dev/vulnerability/SUSE-SU-2020:1819-1 · Aviso do Fabricante
• https://suse.com/security/cve/CVE-2020-28935 · Nota
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-12662 · Aviso do Fabricante
• https://lists.opensuse.org/archives/list/[e-mail]/thread/7BOBQ5VCGBBEOIK4YR7ZR7XNQZWV62CU · Nota