WS-2023-0044

User data in TPM attestation vulnerable to MITM. Attestation user data such as the digest of the public key in an aTLS connection was bound to the issuer's TPM, but not to its PCR state. An attacker could intercept a node initialization, initialize the node themselves, and then impersonate an...

User data in TPM attestation vulnerable to MITM

Impact Attestation user data such as the digest of the public key in an aTLS connection was bound to the issuer's TPM, but not to its PCR state. An attacker could intercept a node initialization, initialize the node themselves, and then impersonate an uninitialized node to the validator. In...