Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The Montgomery ladder implementation in OpenSSL through 1.0.0l does not ensure that certain swap operations have a constant-time behavior, which makes it easier for local users to obtain ECDSA nonces via a FLUSH+RELOAD cache side-channel attack.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
OpenSSL ECDSA 加密问题漏洞
Vulnerability Description
OpenSSL是OpenSSL团队开发的一个开源的能够实现安全套接层（SSL v2/v3）和安全传输层（TLS v1）协议的通用加密库，它支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。 OpenSSL 1.0.0l及之前版本中的Montgomery ladder实现过程中存在安全漏洞，该漏洞源于Elliptic Curve Digital Signature Algorithm (ECDSA)中存在错误。远程攻击者可通过FLUSH+RELOAD Cache旁道攻击利用该漏洞获取ECDSA随机数
CVSS Information
N/A
Vulnerability Type
N/A