Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
An issue was discovered in Arm Mbed TLS before 2.16.6 and 2.7.x before 2.7.15. An attacker that can get precise enough side-channel measurements can recover the long-term ECDSA private key by (1) reconstructing the projective coordinate of the result of scalar multiplication by exploiting side channels in the conversion to affine coordinates; (2) using an attack described by Naccache, Smart, and Stern in 2003 to recover a few bits of the ephemeral scalar from those projective coordinates via several measurements; and (3) using a lattice attack to get from there to the long-term ECDSA private key used for the signatures. Typically an attacker would have sufficient access when attacking an SGX enclave and controlling the untrusted OS.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
ARM mbed TLS 加密问题漏洞
Vulnerability Description
ARM mbed TLS是英国ARM公司的一款为mbed产品提供安全通讯和加密功能的产品。 Arm Mbed TLS 2.16.6之前版本和2.7.15之前的2.7.x版本中存在加密问题漏洞。攻击者可利用该漏洞恢复长期有效的ECDSA私钥。
CVSS Information
N/A
Vulnerability Type
N/A