The FirmGuard Blog
Organizations that ignore UEFI BIOS firmware vulnerability do so at their own peril and are setting themselves up for a potentially devasting attack. But what is UEFI? How do we protect endpoints from UEFI BIOS vulnerabilities? And what types of vulnerabilities are there?
SecureWipe is a FirmGuard feature that securely erases endpoint HDD, SSD, and other mass storage devices. It is triggered remotely from the FirmGuard Portal and forensically erases all data and partitions independent of the operating system (OS).
Reference Article
Multiple security vulnerabilities have been disclosed in the TCP/IP network protocol stack of an open-source reference implementation of the Unified Extensible Firmware Interface (UEFI) specification used widely in modern computers.
CVE-2023-5058
A new firmware vulnerability called “LogoFAIL” has been disclosed. The flaw exists in the processing of user-supplied splash screen during system boot, which can be exploited by an attacker.
HP discovered a potential vulnerability in the BIOS of certain HP PC products that use AMI UEFI Firmware.
A vulnerability has been discovered in the HQSwSmiDxe DXE driver on some consumer Acer Notebook devices, which may allow an attacker with elevated privileges to modify UEFI Secure Boot settings by modifying an NVRAM variable.
Microsoft Incident Report | CVE-2022-21894
In April 2023, cybersecurity researchers at Microsoft identified a dangerous UEFI bootkit (CVE-2022-21894), dubbed “BlackLotus”. It operates at computer startup, compromising systems and disabling OS security mechanisms.
A stack overflow vulnerability has been found in the BIOS firmware of Aspire E5-475G laptops, which can allow local attackers to execute arbitrary code and gain escalated privileges during the boot process.
Reference Article
CosmicStrand appears to be the work of an unknown Chinese-speaking threat actor.
The highly targeted attack reveals a new level of sophistication in attacks against UEFI firmware.
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