CVE-2022-35894

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. The SMI handler for the FwBlockServiceSmm driver uses an untrusted pointer as the location to copy data to an attacker-specified buffer, leading to information disclosure...

CVE-2022-35894

CVE-2022-35894 affects Insyde InsydeH2O BIOS (kernel versions 5.0–5.5). The vulnerability stems from the SMI handler for the FwBlockServiceSmm driver using an untrusted pointer as the destination to copy data, enabling information disclosure to an attacker-controlled buffer. Public sources consis...

CVE-2022-35894

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. The SMI handler for the FwBlockServiceSmm driver uses an untrusted pointer as the location to copy data to an attacker-specified buffer, leading to information disclosure...

CVE-2022-35408

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver in UsbLegacyControlSmm leads to possible arbitrary code execution in SMM and escalation of privileges. An attacker could overwrite the function pointers in the EFIBOOTSERVICES...

Code injection

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver in UsbLegacyControlSmm leads to possible arbitrary code execution in SMM and escalation of privileges. An attacker could overwrite the function pointers in the EFIBOOTSERVICES...

CVE-2022-35408

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver in UsbLegacyControlSmm leads to possible arbitrary code execution in SMM and escalation of privileges. An attacker could overwrite the function pointers in the EFIBOOTSERVICES...

CVE-2022-35408

CVE-2022-35408 affects Insyde InsydeH2O BIOS (versions 5.0–5.5). A vulnerability in the UsbLegacyControlSmm SMM driver enables arbitrary code execution in SMM and privilege escalation by overwriting EFI_BOOT_SERVICES pointers before the USB SMI handler runs; this is not exploitable from OS code. ...

CVE-2022-35408

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver in UsbLegacyControlSmm leads to possible arbitrary code execution in SMM and escalation of privileges. An attacker could overwrite the function pointers in the EFIBOOTSERVICES...

Memory corruption

An issue SMM memory leak vulnerability in SMM driver SMRAM was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An attacker can dump SMRAM contents via the software SMI provided by the FvbServicesRuntimeDxe driver to read the contents of SMRAM, leading to information disclosure...

PT-2022-22809 · Insyde · Insydeh2O

Name of the Vulnerable Software and Affected Versions: Insyde InsydeH2O versions 5.0 through 5.5 Description: An issue was discovered in Insyde InsydeH2O, where an SMM callout vulnerability in the SMM driver in UsbLegacyControlSmm leads to possible arbitrary code execution in SMM and escalation o...

Insyde InsydeH2O 安全漏洞

Insyde InsydeH2O is a C-language source from Insyde Corporation of Taiwan that implements the new technology "EFI/UEFI" specification, designed to replace the traditional BIOS Basic Input/Output System. A security vulnerability exists in Insyde InsydeH2O versions 5.0 to 5.5, which is caused by an...

Insyde InsydeH2O 安全漏洞

Insyde InsydeH2O is a C-language source from Insyde Corporation of Taiwan, which implements the new technology "EFI/UEFI" specification designed to replace the traditional BIOS Basic Input/Output System. A security vulnerability in Insyde InsydeH2O versions 5.0 to 5.5, which stems from a problem...

PT-2022-23002 · Insyde · Insydeh2O

Name of the Vulnerable Software and Affected Versions: Insyde InsydeH2O with kernel versions 5.0 through 5.5 Description: An issue was discovered where the SMI handler for the FwBlockServiceSmm driver uses an untrusted pointer as the location to copy data to an attacker-specified buffer, leading ...

CVE-2022-35896

An issue SMM memory leak vulnerability in SMM driver SMRAM was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An attacker can dump SMRAM contents via the software SMI provided by the FvbServicesRuntimeDxe driver to read the contents of SMRAM, leading to information disclosure...

CVE-2022-35896

The CVE-2022-35896 issue affects InsydeH2O BIOS (InsydeH2O) affecting SMM memory handling via the FvbServicesRuntimeDxe driver. The root cause is a memory leak/read path in the SMM driver that could allow an attacker with local access to dump SMRAM contents, leading to information disclosure. Aff...

CVE-2022-35895

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. The FwBlockSericceSmm driver does not properly validate input parameters for a software SMI routine, leading to memory corruption of arbitrary addresses including SMRAM, and possible arbitrary code execution...

CVE-2022-35895

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. The FwBlockSericceSmm driver does not properly validate input parameters for a software SMI routine, leading to memory corruption of arbitrary addresses including SMRAM, and possible arbitrary code execution...

Memory corruption

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. The FwBlockSericceSmm driver does not properly validate input parameters for a software SMI routine, leading to memory corruption of arbitrary addresses including SMRAM, and possible arbitrary code execution...

CVE-2022-35895

CVE-2022-35895 affects Insyde InsydeH2O BIOS (kernel 5.0–5.5). The vulnerability lies in the FwBlockSericceSmm driver, which fails to validate input for a software SMI routine, enabling memory corruption of arbitrary addresses including SMRAM and potentially arbitrary code execution. Exploitation...

CVE-2022-35895

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. The FwBlockSericceSmm driver does not properly validate input parameters for a software SMI routine, leading to memory corruption of arbitrary addresses including SMRAM, and possible arbitrary code execution...