About security vulnerability of Infineon's TPM
Release Date: Oct 26, 2017
Updated: Jan 30, 2018
Updated: Jan 30, 2018
Information about security vulnerability of Infineon's TPM (Trusted Platform Module) was announced.
And Microsoft released updates for workaround, Infineon released new firmware of TPM chip.
We will show the information below.
Please be advised that the information will be changed or added without notice.
Vulnerability summary
Regarding details, please refer below Microsoft and Intel site.
- Intel site
- Microsoft site
Content of countermeasure
Target models and TPM information
Affected products are the models below which have TPM with specified "Manufacturer Version".
■Target modelsIn case OS is Windows 7, the PC is affected only if
BitLocker is enabled,
or Infineon TPM professional Package is installed,
or other software which uses RSA key-pair generated by TPM chip is used.
- ・TOUGHBOOK series:
CF-20, CF-31, CF-33, CF-53, CF-54, CF-AX3, CF-C2, CF-D1, CF-LX3, CF-MX4,
CF-SX4, CF-SZ6, CF-XZ6 series - ・TOUGHPAD series:
FZ-G1, FZ-M1, FZ-Q1, FZ-Q2, FZ-R1, FZ-Y1 series
■TPM information
* TPM Manufacturer information can be checked by
1.Press Windows key + "R" key.
2.Input "tpm.msc", and press [OK].
If "Compatible TPM cannot be found" message is displayed, the PC is not affected.
TPM Manufacturer Information
Manufacturer Name | Manufacturer Version | Specification version |
---|---|---|
IFX | 4.32.xxx | 1.2 |
4.40.xxx | ||
5.51.xxx | 2.0 | |
5.61.xxx |