Description
An issue was discovered in Kernel 5.x in Insyde InsydeH2O, affecting HddPassword. Software SMI services that use the Communicate() function of the EFI_SMM_COMMUNICATION_PROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected products
- insyde / insydeh2o5.1 – 5.16.23
- NetApp / fas/aff_bios
- Siemens / ruggedcom_ape1808_firmware
- Siemens / simatic_field_pg_m5_firmware
- Siemens / simatic_field_pg_m6_firmware
- Siemens / simatic_ipc127e_firmware
- Siemens / simatic_ipc227g_firmware
- Siemens / simatic_ipc277g_firmware
- Siemens / simatic_ipc327g_firmware
- Siemens / simatic_ipc377g_firmware
- Siemens / simatic_ipc427e_firmware
- Siemens / simatic_ipc477e_firmware
- Siemens / simatic_ipc477e_pro_firmware
- Siemens / simatic_ipc627e_firmware
- Siemens / simatic_ipc647e_firmware
- Siemens / simatic_ipc677e_firmware
- Siemens / simatic_ipc847e_firmware
- Siemens / simatic_itp1000_firmware
Updated 26m ago · 8 sources