PT-2019-6256 · FFmpeg+4 · Ffmpeg+4

Publicado 2019-07-04 · Atualizado 2022-06-13 · CVE-2020-20445

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Média

Vetor base

AV:N/AC:L/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions FFmpeg version 4.2

Description The issue is related to a Divide By Zero problem in the libavcodec/lpc.h component of the FFmpeg multimedia library. This allows a remote attacker to cause a Denial of Service.

Recommendations For FFmpeg version 4.2, consider disabling the libavcodec/lpc.h component as a temporary workaround until a patch is available. Restrict access to the vulnerable component to minimize the risk of exploitation.

Exploit

Correção

DoS

Divide By Zero

Enumeração de Fraquezas

CWE-369

Identificadores relacionados

ALT-PU-2019-2678

BDU:2022-05964

CVE-2020-20445

DLA-2818-1

DSA-4990-1

DSA-4998-1

USN-5167-1

USN-5472-1

Produtos afetados

Alt Linux

Astra Linux

Ffmpeg

Linuxmint

Ubuntu

Referências · 223

• 🔥 https://trac.ffmpeg.org/ticket/7996 · Exploit
• https://wiki.astralinux.ru/pages/viewpage.action?pageId=153487325 · Aviso do Fabricante
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22037 · Nota de Segurança
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3566 · Nota de Segurança
• https://ubuntu.com/security/CVE-2021-38114 · Aviso do Fabricante
• https://trac.ffmpeg.org/ticket/8274 · Nota
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22042 · Nota de Segurança
• https://trac.ffmpeg.org/ticket/8003 · Nota
• https://strelets.net/patchi-i-obnovleniya-bezopasnosti#16012023 · Nota
• https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/38d18fb57863bb9c54e68ae44aa780c5c282a184 · Nota
• https://bdu.fstec.ru/vul/2021-05314 · Nota de Segurança
• https://bdu.fstec.ru/vul/2022-00243 · Nota de Segurança
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21041 · Nota de Segurança
• https://trac.ffmpeg.org/ticket/8239 · Nota
• https://bdu.fstec.ru/vul/2021-05187 · Nota de Segurança