CVSS: 5.7EPSS: 0%CPEs: 186EXPL: 0CVE-2023-20521
https://notcve.org/view.php?id=CVE-2023-20521
14 Nov 2023 — TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of service. TOCTOU en el ASP Bootloader puede permitir que un atacante con acceso físico altere los registros ROM SPI después de la verificación del contenido de la memoria, lo que podría provocar una pérdida de confidencialidad o una denegación de servicio. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •
CVSS: 5.5EPSS: 0%CPEs: 256EXPL: 0CVE-2021-26371
https://notcve.org/view.php?id=CVE-2021-26371
09 May 2023 — A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to userspace, potentially leading to information disclosure. A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to userspace, potentially leading to information disclosure. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 •
CVSS: 8.5EPSS: 0%CPEs: 108EXPL: 0CVE-2021-26365
https://notcve.org/view.php?id=CVE-2021-26365
09 May 2023 — Certain size values in firmware binary headers could trigger out of bounds reads during signature validation, leading to denial of service or potentially limited leakage of information about out-of-bounds memory contents. Certain size values in firmware binary headers could trigger out of bounds reads during signature validation, leading to denial of service or potentially limited leakage of information about out-of-bounds memory contents. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 • CWE-125: Out-of-bounds Read •
CVSS: 5.5EPSS: 0%CPEs: 304EXPL: 0CVE-2021-26354
https://notcve.org/view.php?id=CVE-2021-26354
09 May 2023 — Insufficient bounds checking in ASP may allow an attacker to issue a system call from a compromised ABL which may cause arbitrary memory values to be initialized to zero, potentially leading to a loss of integrity. Insufficient bounds checking in ASP may allow an attacker to issue a system call from a compromised ABL which may cause arbitrary memory values to be initialized to zero, potentially leading to a loss of integrity. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •