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A flaw was found in tpm2-tools in versions before 5.1.1 and before 4.3.2. tpm2_import used a fixed AES key for the inner wrapper potentially allowing a MITM attacker to unwrap the inner portion and reveal the key being imported. The highest threat from this vulnerability is to data confidentiality.

🗓️ 15 Jun 2021 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 1 Views

tpm2-tools before 5.1.1 and 4.3.2 use fixed inner wrapper key, enabling a man in the middle to reveal the imported key.

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16 Dec 2021 08:00Current
7High risk
Vulners AI Score7
CVSS 24.3
CVSS 3.15.9
EPSS0.0039
1