CVE-2019-18222 The ECDSA signature implementation in ecdsa.c in Arm Mbed Crypto 2.1 and Mbed TLS through 2.19.1 does not reduce the blinded scalar before computing the inverse, which allows a local attacker to recover the private key via side-channel attacks.

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This post has been republished via RSS; it originally appeared at: MSRC Security Update Guide.

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