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...

PT-2022-2319

Name of the Vulnerable Software and Affected Versions Lenovo Notebook devices affected versions not specified Description A potential issue in the BIOS of some Lenovo Notebook devices could allow an attacker with elevated privileges to modify the firmware protection region by changing an NVRAM...

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...

CVE-2021-3453

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...

CVE-2021-3453

CVE-2021-3453 affects Lenovo Notebook, ThinkPad, and Lenovo Desktop BIOS modules that are not protected by Intel Boot Guard, allowing a physically proximate attacker to write to the SPI flash storage. The issue stems from BIOS modules being unprotected by Boot Guard, enabling potential unauthoriz...

PT-2021-20534

Name of the Vulnerable Software and Affected Versions: Lenovo Notebook, ThinkPad, and Lenovo Desktop systems affected versions not specified Description: The issue affects certain Lenovo systems, including Notebooks, ThinkPads, and Desktops, where BIOS modules are not protected by Intel Boot Guar...

多款 Lenovo 设备 安全漏洞

Lenovo Desktops and Lenovo ThinkPad are both products of the Chinese company Lenovo.Lenovo Desktops are desktop computersLenovo ThinkPad is a portable computer.Lenovo Desktops are desktop computers and Lenovo ThinkPad is a portable computer.Lenovo Desktops are desktop computers and Lenovo ThinkPa...

Code injection

In Lenovo systems, SMM BIOS Write Protection is used to prevent writes to SPI Flash. While this provides sufficient protection, an additional layer of protection is provided by SPI Protected Range Registers PRx. After resuming from S3 sleep mode in various versions of BIOS for some Lenovo ThinkPa...

CVE-2020-8341

The CVE-2020-8341 entry concerns Lenovo ThinkPad BIOS/System Management Mode (SMM) protection. After resuming from S3 sleep on various BIOS versions, SPI Protected Range Registers (PRx) may not be set, but this does not undermine SMM BIOS Write Protection. The vulnerability centers on the PRx sig...

PT-2020-2633

Name of the Vulnerable Software and Affected Versions Thunderbolt devices affected versions not specified Description The issue is related to errors in the implementation of the SPI Flash interface in Thunderbolt device microcontrollers. Exploitation of this issue could allow an attacker to gain...

Hardware Router CTF

Here at Pen Test Partners we love hardware and also love a good CTF. So here's how I figured out my way through the hardware CTF that PTP set as a pre-requisite for some interviews. I'm pretty new to hardware, so learned quite a bit along the way. We have now moved on to a new 'interview' CTF so,...

Code injection

In Lenovo systems, SMM BIOS Write Protection is used to prevent writes to SPI Flash. While this provides sufficient protection, an additional layer of protection is provided by SPI Protected Range Registers PRx. Lenovo was notified that after resuming from S3 sleep mode in various versions of BIO...

CVE-2019-6156

In Lenovo systems, SMM BIOS Write Protection is used to prevent writes to SPI Flash. While this provides sufficient protection, an additional layer of protection is provided by SPI Protected Range Registers PRx. Lenovo was notified that after resuming from S3 sleep mode in various versions of BIO...

SPI Protected Range Registers Affected by S3 Sleep Mode - US

Lenovo Security Advisory: LEN-26332 Potential Impact: None Severity: Low Scope of Impact: Lenovo-specific CVE Identifier: CVE-2019-6156 Summary Description: In Lenovo systems, SMM BIOS Write Protection is used to prevent writes to SPI Flash. While this provides sufficient protection, an additiona...

System firmware Can Be Erased or Corrupted After Boot - Lenovo Support US

No description provided...

F5 Networks BIG-IP : Intel SPI Flash vulnerability (K19855851)

Configuration of SPI Flash in platforms based on multiple Intel platforms allow a local attacker to alter the behavior of the SPI flash potentially leading to a Denial of Service. CVE-2017-5703 Impact BIG-IP A local attacker can alter the behavior of the SPI Flash memory, potentially leading to a...