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CVE-2018-0735— Timing attack against ECDSA signature generation

EPSS 4.80% · P90
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I. Basic Information for CVE-2018-0735

Vulnerability Information
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Vulnerability Title
Timing attack against ECDSA signature generation
Source: NVD (National Vulnerability Database)
Vulnerability Description
The OpenSSL ECDSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a (Affected 1.1.1).
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenSSL 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenSSL是OpenSSL团队的一个开源的能够实现安全套接层（SSLv2/v3）和安全传输层（TLSv1）协议的通用加密库。该产品支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。 OpenSSL 1.1.0-1.1.0i版本和1.1.1版本中的ECDSA签名算法存在加密问题漏洞。该漏洞源于网络系统或产品未正确使用相关密码算法，导致内容未正确加密、弱加密、明文存储敏感信息等。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
OpenSSLOpenSSL Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i) -

II. Public POCs for CVE-2018-0735

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III. Intelligence Information for CVE-2018-0735

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IV. Related Vulnerabilities

Same product: OpenSSL
Same vendor: OpenSSL

V. Comments for CVE-2018-0735

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