PT-2023-1409 · Amd · Amd Processor Security

CVE-2021-46791 · Publicado 2023-01-10 · Atualizado 2023-08-08

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions AMD processor security software (affected versions not specified)

Description The issue is related to insufficient input validation during the parsing of the System Management Mode (SMM) binary, which may allow a maliciously crafted SMM executable binary to corrupt Dynamic Root of Trust for Measurement (DRTM) user application memory. This could result in a potential denial of service. The vulnerability is also described as a buffer overflow issue when processing a binary file, which could be exploited by a remote attacker to cause a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Memory Corruption

Buffer Overflow

Enumeração de Fraquezas

CWE-20

CWE-787

CWE-119

Identificadores relacionados

BDU:2023-00790

CVE-2021-46791

Produtos afetados

Amd Processor Security

Referências · 6

• https://vuldb.com/ru/?id.217975 · Nota
• https://amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 · Aviso do Fabricante
• https://osv.dev/vulnerability/CVE-2021-46791 · Aviso do Fabricante
• https://support.lenovo.com/us/en/product_security/LEN-87730 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2021-46791 · Nota de Segurança
• https://bdu.fstec.ru/vul/2023-00790 · Nota de Segurança