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Prepare 3.2.3 #2816

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merged 2 commits into from
Apr 26, 2024
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JuergenReppSIT and others added 2 commits April 26, 2024 13:27
After deserializing the quote info it was not checked whether
the magic number in the attest is equal TPM2_GENERATED_VALUE.
So an malicious attacker could generate arbitrary quote data
which was not detected by Fapi_VerifyQuote.
Now the number magic number is checket in verify quote and also
in the deserialization of TPM2_GENERATED.
The check is also added to the Unmarshal function for TPMS_ATTEST.

Fixes: CVE-2024-29040

Signed-off-by: Juergen Repp <[email protected]>
Signed-off-by: Andreas Fuchs <[email protected]>
Signed-off-by: Andreas Fuchs <[email protected]>
@AndreasFuchsTPM AndreasFuchsTPM merged commit 89fa173 into tpm2-software:3.2.x Apr 26, 2024
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@AndreasFuchsTPM AndreasFuchsTPM deleted the prepare_3.2.3 branch April 26, 2024 11:52
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2 participants