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I. Basic Information for CVE-2020-25657
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
隐蔽时间通道
Source: NVD (National Vulnerability Database)
Vulnerability Title
m2crypto 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
m2crypto是一个Python的加密和 SSL 工具包。 m2crypto所有版本中存在安全漏洞，通过对有效的PKCS#1 v1.5密文进行定时处理，它们很容易受到RSA解密APlI中的Bleichenbacher定时攻击。
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
-m2crypto All released versions of m2crypto -
II. Public POCs for CVE-2020-25657
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III. Intelligence Information for CVE-2020-25657
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New Vulnerabilities
Vendor: n/a
Same weakness: CWE-385
V. Comments for CVE-2020-25657

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