PT-2021-24305 · Brave+1 · Brave+2

Publicado 2021-12-27 · Atualizado 2022-01-07 · CVE-2021-45884

OSV

CVSS v3.1

7.5

Alta

Vetor base

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

In Brave Desktop 1.17 through 1.33 before 1.33.106, when CNAME-based adblocking and a proxying extension with a SOCKS fallback are enabled, additional DNS requests are issued outside of the proxying extension using the system's DNS settings, resulting in information disclosure. NOTE: this issue exists because of an incomplete fix for CVE-2021-21323 and CVE-2021-22916.

Exploit

Correção

Information Disclosure

Enumeração de Fraquezas

CWE-200

Identificadores relacionados

CVE-2021-45884

Produtos afetados

Brave

Brave Browser

Brave-Core

Referências · 7

• 🔥 https://github.com/brave/brave-browser/issues/19070 · Exploit
• https://github.com/brave/brave-browser/issues/20079 · Nota
• https://github.com/brave/brave-core/pull/10742 · Correção
• https://nvd.nist.gov/vuln/detail/CVE-2021-45884 · Nota de Segurança
• https://hackerone.com/reports/1377864 · Nota
• https://osv.dev/vulnerability/CVE-2021-45884 · Aviso do Fabricante
• https://t.me/cvenotify/25122 · Publicação no Telegram