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CVE-2020-6820

HIGHCISA KEV

8.1

Descricao

Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.

Detalhes CVE

Pontuacao CVSS v3.18.1

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Vetor de ataqueNETWORK

ComplexidadeHIGH

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado4/24/2020

Ultima modificacao11/4/2025

Fontekev

Avistamentos honeypot0

CISA KEV

FornecedorMozilla

ProdutoFirefox and Thunderbird

Nome da vulnerabilidadeMozilla Firefox And Thunderbird Use-After-Free Vulnerability

Data inclusao KEV2021-11-03

Prazo de remediacao2022-05-03

Uso em ransomwareUnknown

Produtos afetados

mozilla:firefoxmozilla:thunderbird

Fraquezas (CWE)

CWE-362CWE-362

Referencias

https://bugzilla.mozilla.org/show_bug.cgi?id=1626728(security@mozilla.org)

https://usn.ubuntu.com/4335-1/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2020-11/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2020-14/(security@mozilla.org)

https://bugzilla.mozilla.org/show_bug.cgi?id=1626728(af854a3a-2127-422b-91ae-364da2661108)

https://usn.ubuntu.com/4335-1/(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2020-11/(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2020-14/(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-6820(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlacoes IOC

Sem correlacoes registradas

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