Code injection

NVIDIA BMC IPMI handler allows an unauthenticated host to write to a host SPI flash bypassing secureboot protections. This may lead to a loss of integrity and denial of service...

CVE-2022-42275

NVIDIA BMC IPMI handler allows an unauthenticated host to write to a host SPI flash bypassing secureboot protections. This may lead to a loss of integrity and denial of service...

CVE-2022-42275

Mode C: Affected product is NVIDIA DGX Station A100/A800 BMC. CVE-2022-42275 concerns the IPMI handler where an unauthenticated host can write to the host SPI flash, bypassing secure boot protections, leading to loss of integrity and potential DoS. Root cause: IPMI/BMC tooling vulnerability allow...

PT-2023-14076 · Nvidia · Nvidia Bmc

Name of the Vulnerable Software and Affected Versions: NVIDIA BMC affected versions not specified Description: The issue allows an unauthenticated host to write to a host SPI flash, bypassing secureboot protections. This may lead to a loss of integrity and denial of service. Recommendations: At t...

CVE-2021-26346

Failure to validate the integer operand in ASP AMD Secure Processor bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service...

Integer overflow

Failure to validate the integer operand in ASP AMD Secure Processor bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service...

CVE-2021-26346

Failure to validate the integer operand in ASP AMD Secure Processor bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service...

CVE-2021-26346

Failure to validate the integer operand in ASP AMD Secure Processor bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service...

CVE-2022-40261

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...

CVE-2022-40261 SMM memory corruption vulnerability in OverClockSmiHandler SMM driver

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...

CVE-2021-26317

Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify SPI flash resulting in a potential arbitrary code execution...

Code injection

Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify SPI flash resulting in a potential arbitrary code execution...

CVE-2021-26317

Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify SPI flash resulting in a potential arbitrary code execution...

CVE-2021-26317

CVE-2021-26317: The AMD SMM protocol verification failure allows an attacker to take control of the SMM protocol and modify SPI flash, potentially enabling arbitrary code execution. Public documentation ties this to AMD’s SMM/ASP/SEV family and lists it among AMD client vulnerabilities with a hig...

CVE-2021-26347

Failure to validate the integer operand in ASP AMD Secure Processor bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service...

Integer overflow

Failure to validate the integer operand in ASP AMD Secure Processor bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service...

CVE-2021-26347

Failure to validate the integer operand in ASP AMD Secure Processor bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service...

New Lenovo UEFI Firmware Vulnerabilities Affect Millions of Laptops

Three high-impact Unified Extensible Firmware Interface UEFI security vulnerabilities have been discovered impacting various Lenovo consumer laptop models, enabling malicious actors to deploy and execute firmware implants on the affected devices. Tracked as CVE-2021-3970, CVE-2021-3971, and...

Chinese Hackers Spotted Using New UEFI Firmware Implant in Targeted Attacks

A previously undocumented firmware implant deployed to maintain stealthy persistence as part of a targeted espionage campaign has been linked to the Chinese-speaking Winnti advanced persistent threat group APT41. Kaspersky, which codenamed the rootkit MoonBounce, characterized the malware as the...

Code injection

Some Lenovo Notebook, ThinkPad, and Lenovo Desktop systems have BIOS modules unprotected by Intel Boot Guard that could allow an attacker with physical access the ability to write to the SPI flash storage...