CVE-2020-5956

An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer...

CVE-2020-5956

An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer...

Input validation

An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer...

CVE-2021-45971

CVE-2021-45971 affects InsydeH2O’s SdHostDriver in the SMM path. A SWSMI handler registers without adequately validating the CommBufferData buffer, enabling potential SMM memory corruption and, per sources, possible code execution within SMM. Affected kernels: 5.1 before 05.16.25, 5.2 before 05.2...

CVE-2021-45969

CVE-2021-45969 describes a vulnerability in the InsydeH2O firmware’s SMM path (AhciBusDxe) where the SWSMI handler registers a buffer pointer without proper validation, specifically the CommBuffer+8 location. This allows an attacker with local access to trigger memory corruption in System Managem...

CVE-2021-45970

CVE-2021-45970 is an InsydeH2O/IdeBusDxe SMM (System Management Mode) vulnerability. The SMM branch registers a SWSMI handler that does not adequately validate the allocated buffer pointer, specifically the status code stored at CommBuffer+4, enabling memory access issues in SMM. Affected product...

Insyde InsydeH2O 输入验证错误漏洞

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. No details of the vulnerability are currently available...

Insyde Firmware Utility December 2021 Security Updates

HP has been informed of potential security vulnerabilities identified in the Insyde UEFI firmware update utility used by certain HP PC products which may allow escalation of privilege, denial of service, or information disclosure via local access. HP is releasing SoftPaq updates with mitigation f...

Insyde InsydeH2O Security Feature Issue Vulnerability

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. insydeH2O Int15MicrosoftSmm has a security feature issue vulnerability that stems from uncontrolled input t...

CVE-2020-5955

An issue was discovered in Int15MicrocodeSmm in Insyde InsydeH2O before 2021-10-14 on Intel client chipsets. A caller may be able to escalate privileges...

CVE-2020-5955

CVE-2020-5955 is a privilege-escalation vulnerability in the InsydeH2O BIOS/firmware stack, specifically in the Int15MicrocodeSmm component of InsydeInsydeH2O on Intel client chipsets. The issue arises from uncontrolled input to the SMI handler in the Int15MicrosoftSmm driver, enabling a caller t...

Insyde InsydeH2O Memory Corruption Vulnerability

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.Insyde InsydeH2O suffers from a memory corruption vulnerability. InsydeH2O is vulnerable to memory corruptio...

CVE-2020-27339

In the kernel in Insyde InsydeH2O 5.x, certain SMM drivers did not correctly validate the CommBuffer and CommBufferSize parameters, allowing callers to corrupt either the firmware or the OS memory. The fixed versions for this issue in the AhciBusDxe, IdeBusDxe, NvmExpressDxe, SdHostDriverDxe, and...

CVE-2020-27339

CVE-2020-27339 affects InsydeH2O kernel 5.x, where several SMM drivers (AhciBusDxe, IdeBusDxe, NvmExpressDxe, SdHostDriverDxe, SdMmcDeviceDxe) fail to validate the CommBuffer and CommBufferSize, allowing memory corruption of firmware or OS memory. The issue is fixed in kernel 5.1–5.5 with specifi...

Insyde InsydeH2O 输入验证错误漏洞

Insyde H2OFFT is a set of tools for BIOS firmware development from Insyde Software Taiwan, China.Insyde InsydeH2O has a security vulnerability that could be exploited by attackers to gain control of the system via system administration mode privileges...

CVE-2019-12532

Improper access control in the Insyde software tools may allow an authenticated user to potentially enable escalation of privilege, or information disclosure via local access. This is a software vulnerability, not a firmware issue. Affected tools include: H2OFFT version 3.025.28,...

CVE-2019-12532

Improper access control in the Insyde software tools may allow an authenticated user to potentially enable escalation of privilege, or information disclosure via local access. This is a software vulnerability, not a firmware issue. Affected tools include: H2OFFT version 3.025.28,...

Improper access control

Improper access control in the Insyde software tools may allow an authenticated user to potentially enable escalation of privilege, or information disclosure via local access. This is a software vulnerability, not a firmware issue. Affected tools include: H2OFFT version 3.025.28,...

CVE-2019-12532

Improper access control in the Insyde software tools may allow an authenticated user to potentially enable escalation of privilege, or information disclosure via local access. This is a software vulnerability, not a firmware issue. Affected tools include: H2OFFT version 3.025.28,...

CVE-2019-12532

Insyde software tools (H2OFFT 3.02–5.28; 100.00.00.00–100.00.08.23; 200.00.00.01–200.00.00.05; H2OOAE <200.00.00.02; H2OSDE <200.00.00.07; H2OUVE <200.00.02.02; H2OPCM <100.00.06.00; H2OELV