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CVSS: 7.5EPSS: 0%CPEs: 4EXPL: 0

11 Nov 2022 — Improper buffer restrictions in BIOS firmware for some Intel(R) NUC M15 Laptop Kits before version BCTGL357.0074 may allow a privileged user to potentially enable escalation of privilege via local access. Las restricciones inadecuadas del búfer en el firmware del BIOS para Intel(R) NUC M15 Laptop Kits anteriores a la versión BCTGL357.0074 pueden permitir que un usuario privilegiado habilite potencialmente la escalada de permisos a través del acceso local. • https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00752.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 8.2EPSS: 0%CPEs: 5EXPL: 1

20 Sep 2022 — An attacker can exploit this vulnerability to elevate privileges from ring 0 to ring -2, execute arbitrary code in System Management Mode - an environment more privileged than operating system (OS) and completely isolated from it. Running arbitrary code in SMM additionally bypasses SMM-based SPI flash protections against modifications, which can help an attacker to install a firmware backdoor/implant into BIOS. Such a malicious firmware code in BIOS could persist across operating system re-installs. Additio... • https://www.ami.com/security-center • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVSS: 8.8EPSS: 0%CPEs: 5EXPL: 1

20 Sep 2022 — An attacker can exploit this vulnerability to elevate privileges from ring 0 to ring -2, execute arbitrary code in System Management Mode - an environment more privileged than operating system (OS) and completely isolated from it. Running arbitrary code in SMM additionally bypasses SMM-based SPI flash protections against modifications, which can help an attacker to install a firmware backdoor/implant into BIOS. Such a malicious firmware code in BIOS could persist across operating system re-installs. Additio... • https://www.ami.com/security-center • CWE-121: Stack-based Buffer Overflow CWE-787: Out-of-bounds Write •

CVSS: 7.2EPSS: 0%CPEs: 4EXPL: 1

20 Sep 2022 — A potential attacker can write one byte by arbitrary address at the time of the PEI phase (only during S3 resume boot mode) and influence the subsequent boot stages. This can lead to the mitigations bypassing, physical memory contents disclosure, discovery of any secrets from any Virtual Machines (VMs) and bypassing memory isolation and confidential computing boundaries. Additionally, an attacker can build a payload which can be injected into the SMRAM memory. This issue affects: Module name: SbPei SHA256: ... • https://www.ami.com/security-center • CWE-123: Write-what-where Condition CWE-787: Out-of-bounds Write •

CVSS: 8.2EPSS: 0%CPEs: 5EXPL: 1

20 Sep 2022 — A potential attacker can execute an arbitrary code at the time of the PEI phase and influence the subsequent boot stages. This can lead to the mitigations bypassing, physical memory contents disclosure, discovery of any secrets from any Virtual Machines (VMs) and bypassing memory isolation and confidential computing boundaries. Additionally, an attacker can build a payload which can be injected into the SMRAM memory. This issue affects: Module name: PlatformInitAdvancedPreMem SHA256: 644044fdb8daea30a7820e0... • https://www.ami.com/security-center • CWE-121: Stack-based Buffer Overflow CWE-787: Out-of-bounds Write •

CVSS: 6.5EPSS: 0%CPEs: 4EXPL: 0

18 Aug 2022 — Improper input validation in the firmware for some Intel(R) NUC Laptop Kits before version BC0076 may allow a privileged user to potentially enable escalation of privilege via physical access. Una comprobación de entrada inapropiada en el firmware de algunos kits de portátiles Intel(R) versiones anteriores a BC0076, puede permitir a un usuario privilegiado habilitar potencialmente una escalada de privilegios por medio de acceso físico. • https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00712.html • CWE-20: Improper Input Validation •

CVSS: 7.2EPSS: 0%CPEs: 4EXPL: 0

18 Aug 2022 — Improper initialization in the firmware for some Intel(R) NUC Laptop Kits before version BC0076 may allow a privileged user to potentially enable escalation of privilege via physical access. Una inicialización inapropiada en el firmware de algunos kits de portátiles Intel® versiones anteriores a BC0076, puede permitir a un usuario privilegiado habilitar potencialmente una escalada de privilegios por medio del acceso físico. • https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00712.html • CWE-665: Improper Initialization •

CVSS: 7.8EPSS: 0%CPEs: 4EXPL: 0

18 Aug 2022 — Improper buffer restrictions in the firmware for some Intel(R) NUC Laptop Kits before version BC0076 may allow a privileged user to potentially enable escalation of privilege via local access. Unas restricciones de búfer inapropiadas en el firmware de algunos kits de portátiles Intel(R) versiones anteriores a BC0076, pueden permitir a un usuario privilegiado habilitar potencialmente una escalada de privilegios por medio de acceso local. • https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00712.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.8EPSS: 0%CPEs: 4EXPL: 0

18 Aug 2022 — Improper initialization in the firmware for some Intel(R) NUC Laptop Kits before version BC0076 may allow a privileged user to potentially enable an escalation of privilege via local access. Una inicialización inapropiada en el firmware para algunos kits de portátiles Intel(R) NUC versiones anteriores a BC0076, puede permitir que un usuario privilegiado habilite potencialmente una escalada de privilegios por medio de acceso local. • https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00712.html • CWE-665: Improper Initialization •

CVSS: 7.8EPSS: 0%CPEs: 4EXPL: 0

18 Aug 2022 — Improper input validation in the firmware for some Intel(R) NUC Laptop Kits before version BC0076 may allow a privileged user to potentially enable escalation of privilege via local access. Una comprobación inapropiada de la entrada en el firmware de algunos kits de portátiles Intel(R) versiones anteriores a BC0076 puede permitir a un usuario privilegiado habilitar potencialmente una escalada de privilegios por medio del acceso local. • https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00712.html • CWE-20: Improper Input Validation •