Siemens InsydeH2O Out-of-bounds Write (CVE-2023-22614)

An issue was discovered in ChipsetSvcSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. There is insufficient input validation in BIOS Guard updates. An attacker can induce memory corruption in SMM by supplying malformed inputs to the BIOS Guard SMI handler. Insyde BIOS is typically used in...

Siemens InsydeH2O SMM Privilege Escalation (CVE-2021-42060)

An issue was discovered in Insyde InsydeH2O Kernel 5.0 through 05.08.41, Kernel 5.1 through 05.16.41, Kernel 5.2 before 05.23.22, and Kernel 5.3 before 05.32.22. An Int15ServiceSmm SMM callout vulnerability allows an attacker to hijack execution flow of code running in System Management Mode...

Siemens InsydeH2O Arbitrary Code Execution (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...

Siemens InsydeH2O Missing Release of Memory after Effective Lifetime (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. Insyde BIOS is typically used in RUGGEDCOM APE...

Siemens InsydeH2O Out-of-bounds Write (CVE-2021-43615)

An issue was discovered in HddPassword in Insyde InsydeH2O with kernel 5.1 before 05.16.23, 5.2 before 05.26.23, 5.3 before 05.35.23, 5.4 before 05.43.22, and 5.5 before 05.51.22. An SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting thi...

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...

Siemens InsydeH2O Out-of-bounds Write (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. Insyde BIOS is...

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 Time-of-check Time-of-use Race Condition (CVE-2022-32470)

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the FwBlockServiceSmm 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...

Siemens InsydeH2O Out-of-bounds Write (CVE-2021-45969)

An issue was discovered in AhciBusDxe 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-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 Classic Buffer Overflow (CVE-2022-24350)

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. IHISI function 0x17 verifies that the output buffer lies within the command buffer but does not verify that output data does not go beyond the end of the command buffer. In particular, the GetFlashTable function ...

Siemens InsydeH2O Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2021-33625)

An issue was discovered in Kernel 5.x in Insyde InsydeH2O, affecting HddPassword. Software SMI services that use the Communicate function of the EFISMMCOMMUNICATIONPROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses. Insyde BIO...

Siemens InsydeH2O Time-of-check Time-of-use Race Condition (CVE-2022-32474)

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the StorageSecurityCommandDxe 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 mitigat...

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 Cleartext Storage of Sensitive Information (CVE-2023-31041)

An issue was discovered in SysPasswordDxe in Insyde InsydeH2O with kernel 5.0 through 5.5. System password information could optionally be stored in cleartext, which might lead to possible information disclosure. Insyde BIOS is typically used in RUGGEDCOM APE products and some SIMATIC devices...

Siemens InsydeH2O Time-of-check Time-of-use Race Condition (CVE-2022-32953)

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the SdHostDriver 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 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 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...