Infineon TPM Security Vulnerablity - Is my TPM affected by this?

  1.    08 Mar 2018 #1

    Infineon TPM Security Vulnerablity - Is my TPM affected by this?

    Judging from the attached image of my TPM manufacturer information by going into the TPM.msc properties, is my TPM affected by the Infineon TPM chip security vulnerability?

    TPMupdate - Infineon Technologies
    ROCA: Infineon TPM and Secure Element RSA Vulnerability Guidance - NCSC Site

    If it was shown as "IFX" would that indicate that the TPM chip was made by Infineon?

    My next question, when buying another laptop, how can I ensure NOT to get one that has a TPM chip made by Infineon?

    After these security issues, I don't think I want to trust TPM Infineon chips...
    Attached Thumbnails Attached Thumbnails Capture.PNG  
      My ComputerSystem Spec

  2.    09 Mar 2018 #2

    Still no responses?
    I guess people don't take encryption too seriously...What a shame, since this is the first line of defense to protect data.
      My ComputerSystem Spec

  3.    09 Mar 2018 #3

    You have an Atmel TPM, not an Infineon. As you said, Infineon uses IFX as the ID. The tpm.msc will actually tell you if you are vulnerable.

    You have to ask the manufacturer, find the spec sheet online, or check with other owners of the laptop to see what TPM they are using. But all the new IFX chips would have this issue fixed and the major OEMs would have already updated to the latest TPM firmware by now.

    I imagine few home users would be affected since not many apps use the TPM to generate RSA keys, aside from Bitlocker and Windows Hello. Bitlocker uses 2048-bit keys, which require 140 CPU years/$20K to crack. MS doesn't specify the key length for Hello but I would guess it would be the same.
      My ComputerSystem Spec

  4.    09 Mar 2018 #4

    All I really read is that only Infineon chips are affected.
    So I guess Iím safe.

    So the TPM.msc console would have a warning on this? Which section?

    Good to know, because I was looking for a script or program that would let me know if my TPM is safe or not.

      My ComputerSystem Spec

  5.    09 Mar 2018 #5

    c. Option 3 - Manually check the Trusted Platform Module (TPM) Management snap-in (TPM.MSC) on each Windows 10 device
    On devices running Windows 10 that have the October 2017 security update installed, in a CMD prompt, type "TPM.MSC" to open the Trusted Platform Module (TPM) Management snap-in. Devices with affected TPM modules will display the following error message:
    "The TPM is ready for use. The TPM firmware on this PC has a known security problem. Please contact your PC manufacturer to find out if an update is available. For more information please go to"
    NOTE: Microsoft recommends that consumers and Home office users leverage this step to identify affected software.
      My ComputerSystem Spec


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