PT-2023-12089 · Unknown · Asp Bootloader

CVE-2021-26356 · Publicado 2023-05-09 · Atualizado 2025-01-28

Positive Technologies (AI Summary)

CVSS v3.1

7.4

Alta

Vetor base

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

Name of the Vulnerable Software and Affected Versions ASP bootloader (affected versions not specified)

Description A Time-of-Check-to-Time-of-Use (TOCTOU) issue in the ASP bootloader may allow an attacker to tamper with the SPI ROM following data read to memory, potentially resulting in S3 data corruption and information disclosure.

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

Time Of Check To Time Of Use

Enumeração de Fraquezas

CWE-367

Identificadores relacionados

CVE-2021-26356

Produtos afetados

Asp Bootloader

Referências · 8

• https://amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 · Aviso do Fabricante
• https://t.me/cvenotify/50070 · Publicação no Telegram
• https://nvd.nist.gov/vuln/detail/CVE-2021-26356 · Nota de Segurança
• https://t.me/cibsecurity/63664 · Publicação no Telegram
• https://t.me/cvenotify/50067 · Publicação no Telegram
• https://osv.dev/vulnerability/CVE-2021-26356 · Aviso do Fabricante
• https://amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 · Aviso do Fabricante
• https://t.me/cvenotify/108874 · Publicação no Telegram