grub2: bypass the GRUB password protection feature

An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick containing a fil...

Lenovo Bios Buffer Error Vulnerability

Lenovo Bios is a boot method for computers from the Chinese company Lenovo Lenovo. It is used to boot the system during computer startup. Lenovo Bios suffers from a buffer error vulnerability that stems from a memory leak vulnerability in the NvmramSmm SMM driver...

Moxa UC 安全漏洞

The MOXA UC Series is a series of computers from the Chinese company Moxa MOXA. The Moxa UC suffers from a security vulnerability that originates from the fact that an attacker with physical access can boot the device to reboot and gain access to its BIOS, which can then be used to change command...

The vulnerability of AMD’s microprogrammed security processor BIOS systems, related to improper cleaning or release of resources, allows a perpetrator to trigger a service failure.

The vulnerability of AMD’s microprogrammed security processor BIOS systems is related to improper cleaning or release of resources. Exploiting this vulnerability can allow a malicious actor to cause service failures...

CVE-2021-22887

A vulnerability in the BIOS of Pulse Secure PSA-Series Hardware models PSA5000 and PSA7000 could allow an attacker to compromise BIOS firmware. This vulnerability can be exploited only as part of an attack chain. Before an attacker can compromise the BIOS, they must exploit the device...

Apple Launches Bug Bounty with Maximum $200,000 Reward

LAS VEGAS—Apple closed out Black Hat today with a long-awaited announcement that next month it will launch a bug bounty. The Apple Security Bounty will be an invitation-only program, open to two dozen researchers at the outset, said Ivan Krstic, head of security engineering and architecture. The...