Siemens InsydeH2O Improper Information Protection (CVE-2023-27471)

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. UEFI implementations do not correctly protect and validate information contained in the 'MeSetup' UEFI variable. On some systems, this variable can be overwritten using operating system APIs. Exploitation of this vulnerabili...

Siemens InsydeH2O Time-of-check Time-of-use Race Condition (CVE-2022-32476)

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the AhciBusDxe shared buffer used by SMM and non- SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This attack can be mitigated using IOMMU...

Siemens InsydeH2O Time-of-check Time-of-use Race Condition (CVE-2022-32954)

An issue was discovered in Insyde InsydeH2O with kernel 5.1 through 5.5. DMA attacks on the SdMmcDevice buffer used by SMM and non-SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This attack can be mitigated by using IOMMU...

Siemens InsydeH2O Time-of-check Time-of-use Race Condition (CVE-2022-32955)

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the NvmExpressDxe buffer used by SMM and non-SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This attack can be mitigated by using IOMMU...

Siemens InsydeH2O Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2021-41838)

An issue was discovered in SdHostDriver in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary code. This occurs because of a Numeric Range Comparison Without a Minimum Check. Insyde BIOS is...

Siemens InsydeH2O Time-of-check Time-of-use Race Condition (CVE-2022-32477)

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the FvbServicesRuntimeDxe shared buffer used by SMM and non-SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This attack can be mitigated...

Siemens InsydeH2O Time-of-check Time-of-use Race Condition (CVE-2022-32473)

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the HddPassword shared buffer used by SMM and non- SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This attack can be mitigated using IOMM...

Siemens InsydeH2O Stack-Based Buffer Overflow (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. Insyde BIO...

Siemens InsydeH2O Inclusion of Functionality from Untrusted Control Sphere (CVE-2021-41841)

An issue was discovered in AhciBusDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary code. This occurs because of Inclusion of Functionality from an Untrusted Control Sphere. Insyde BIOS...

Siemens InsydeH2O Out-of-bounds Write (CVE-2021-45971)

An issue was discovered in SdHostDriver in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM System Management Mode branch that registers a SWSMI handler that does not...

Siemens InsydeH2O Out-of-bounds Write (CVE-2023-22613)

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. It is possible to write to an attacker-controlled address. An attacker could invoke an SMI handler with a malformed pointer in RCX that overlaps SMRAM, resulting in SMM memory corruption. Insyde BIOS is typically...

Siemens InsydeH2O Out-of-bounds Write (CVE-2022-24031)

An issue was discovered in NvmExpressDxe in Insyde InsydeH2O with kernel 5.1 through 5.5. An SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM. Insyde BIOS is typically used in...

Siemens InsydeH2O Out-of-bounds Write (CVE-2023-22615)

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. IHISI subfunction execution may corrupt SMRAM. An attacker can pass an address in the RCX save state register that overlaps SMRAM, thereby coercing an IHISI subfunction handler to overwrite private SMRAM. Insyde...

Siemens InsydeH2O Out-of-bounds Write (CVE-2022-24030)

An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.1 through 5.5. An SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM. Insyde BIOS is typically used in RUGGEDCO...

Siemens InsydeH2O Inclusion of Functionality from Untrusted Control Sphere (CVE-2021-33626)

A vulnerability exists in SMM System Management Mode branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointerQWORD values for CommBuffer. This can be used by an attacker to corrupt data in SMRAM memory and even lead to arbitrary code executio...

Siemens InsydeH2O Improper Input Validation (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...

Siemens InsydeH2O Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2021-41837)

An issue was discovered in AhciBusDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. Because of an Untrusted Pointer Dereference that causes SMM memory corruption, an attacker may be able to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to...

Siemens InsydeH2O Privilege Escalation (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. Insyde BIOS is typically used in RUGGEDCOM APE products and some SIMATIC devices. Please refer to the vendor advisory for a precise list of...

Siemens InsydeH2O Time-of-check Time-of-use Race Condition (CVE-2022-32478)

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the IdeBusDxe shared buffer used by SMM and non- SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This attack can be mitigated using IOMMU...

Siemens InsydeH2O Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2021-41839)

An issue was discovered in NvmExpressDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. Because of an Untrusted Pointer Dereference that causes SMM memory corruption, an attacker may be able to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges...