CVE-2021-42059

An issue was discovered in Insyde InsydeH2O Kernel 5.0 before 05.08.41, Kernel 5.1 before 05.16.41, Kernel 5.2 before 05.26.41, Kernel 5.3 before 05.35.41, and Kernel 5.4 before 05.42.20. A stack-based buffer overflow leads toarbitrary code execution in UEFI DisplayTypeDxe DXE driver...

Stack overflow

An issue was discovered in Insyde InsydeH2O Kernel 5.0 before 05.08.41, Kernel 5.1 before 05.16.41, Kernel 5.2 before 05.26.41, Kernel 5.3 before 05.35.41, and Kernel 5.4 before 05.42.20. A stack-based buffer overflow leads toarbitrary code execution in UEFI DisplayTypeDxe DXE driver...

CVE-2020-5953

A vulnerability exists in System Management Interrupt SWSMI handler of InsydeH2O UEFI Firmware code located in SWSMI handler that dereferences gRT EFIRUNTIMESERVICES pointer to call a GetVariable service, which is located outside of SMRAM. This can result in code execution in SMM escalating...

CVE-2020-5953

A vulnerability exists in System Management Interrupt SWSMI handler of InsydeH2O UEFI Firmware code located in SWSMI handler that dereferences gRT EFIRUNTIMESERVICES pointer to call a GetVariable service, which is located outside of SMRAM. This can result in code execution in SMM escalating...

Code injection

A vulnerability exists in System Management Interrupt SWSMI handler of InsydeH2O UEFI Firmware code located in SWSMI handler that dereferences gRT EFIRUNTIMESERVICES pointer to call a GetVariable service, which is located outside of SMRAM. This can result in code execution in SMM escalating...

CVE-2021-42059

An issue was discovered in Insyde InsydeH2O Kernel 5.0 before 05.08.41, Kernel 5.1 before 05.16.41, Kernel 5.2 before 05.26.41, Kernel 5.3 before 05.35.41, and Kernel 5.4 before 05.42.20. A stack-based buffer overflow leads toarbitrary code execution in UEFI DisplayTypeDxe DXE driver...

CVE-2021-42059

CVE-2021-42059 affects Insyde InsydeH2O Kernel 5.0 (before 05.08.41), 5.1 (before 05.16.41), 5.2 (before 05.26.41), 5.3 (before 05.35.41), and 5.4 (before 05.42.20). The issue is a stack-based buffer overflow in the UEFI DisplayTypeDxe DXE driver that leads to arbitrary code execution. The vulner...

CVE-2020-5953

CVE-2020-5953 affects InsydeH2O UEFI firmware, where the System Management Interrupt (SWSMI) handler dereferences EFI_RUNTIME_SERVICES (gRT) to call GetVariable outside SMRAM, enabling code execution in SMM and privilege escalation. Impact is local and architectural, as described in multiple sour...

CVE-2020-5953

A vulnerability exists in System Management Interrupt SWSMI handler of InsydeH2O UEFI Firmware code located in SWSMI handler that dereferences gRT EFIRUNTIMESERVICES pointer to call a GetVariable service, which is located outside of SMRAM. This can result in code execution in SMM escalating...

Dozens of Security Flaws Discovered in UEFI Firmware Used by Several Vendors

As many as 23 new high severity security vulnerabilities have been disclosed in different implementations of Unified Extensible Firmware Interface UEFI firmware used by numerous vendors, including Bull Atos, Fujitsu, HP, Juniper Networks, Lenovo, among others. The vulnerabilities reside in Insyde...

HP UEFI Firmware February 2022 Security Updates

Potential vulnerabilities have been identified in UEFI firmware BIOS for some PC products which may allow escalation of privilege and arbitrary code execution. HP is releasing firmware updates to mitigate these potential vulnerabilities. HP has identified affected platforms and corresponding...

Insyde InsydeH2O 缓冲区错误漏洞

Insyde InsydeH2O is a C source from Insyde Software Taiwan, China that implements the new technology "EFI/UEFI" specification, designed to replace the legacy BIOS Basic Input/Output System. Operating System H2O UEFI firmware has a buffer overflow vulnerability that can be exploited to write fixed...

Insyde InsydeH2O 缓冲区错误漏洞

Insyde InsydeH2O is a C source from Insyde Software Taiwan, China that implements the new technology "EFI/UEFI" specification, designed to replace the legacy BIOS Basic Input/Output System. Operating System H2O UEFI firmware suffers from a buffer overflow vulnerability that stems from the SWSMI...

HPESBNW04238 rev.3 - HPE ArubaOS-CX 8000 Series Switches, Multiple UEFI Vulnerabilities

Potential Security Impact: Local: Access Restriction Bypass, Arbitrary Code Execution, Compromise of System Integrity, Elevated Privileges, Gain Extended Privileges, Increase in Privilege, memory corruption SUPPORTED SOFTWARE VERSIONS: ONLY impacted versions are listed. Aruba 8400 Switch Series s...

Insyde InsydeH2O 缓冲区错误漏洞

Insyde InsydeH2O is a C source from Insyde Software Taiwan, China that implements the new technology "EFI/UEFI" specification, designed to replace the legacy BIOS Basic Input/Output System. -A buffer overflow vulnerability in the 2-Operating System H2O UEFI firmware could be exploited to write...

Insyde InsydeH2O 缓冲区错误漏洞

Insyde InsydeH2O is a C source from Insyde Software Taiwan, China that implements the new technology "EFI/UEFI" specification, designed to replace the legacy BIOS Basic Input/Output System. Operating System H2O UEFI firmware suffers from a buffer overflow vulnerability that could be exploited by ...

HPESBNW04239 rev.3 - HPE Aruba 9000 Series Gateways, Multiple UEFI Vulnerabilities

Potential Security Impact: Local: Access Restriction Bypass, Arbitrary Code Execution, Compromise of System Integrity, Elevated Privileges, Gain Extended Privileges, Increase in Privilege, memory corruption SUPPORTED SOFTWARE VERSIONS: ONLY impacted versions are listed. Aruba 9000 Gateway - See...

InsydeH2O UEFI software impacted by multiple vulnerabilities in SMM

Overview The InsydeH2O Hardware-2-Operating System H2O UEFI firmware contains multiple vulnerabilities related to memory management in System Management Mode SMM. Description UEFI software provides an extensible interface between an operating system and platform firmware. UEFI software uses a...

Mageia: Security Advisory (MGASA-2019-0332)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

MoonBounce: New malware deployed by APT41 in UEFI firmware

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. MoonBounce is a new type of malware that hides in the most complex part of an Operating System OS, the Basic Input Output System BIOS chip, and thus persists even after reinstalling your OS or formatting your hard drive...