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CVE-2020-25657

Quick assessment

Affected
n/a m2crypto
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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。

AI Predicted 5.9 Difficulty: Moderate EPSS 1.73% · P76

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2020-25657

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
隐蔽时间通道
Source: CVE Program / CVE List V5
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

Vendor Product Affected Versions CPE Subscribe
- 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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Vendor Advisories for CVE-2020-25657 (1)

Same Patch Batch · n/a · 2021-01-12 · 32 CVEs total

CVE-2020-14274 HCL Commerce 信息泄露漏洞
CVE-2021-23927 Open-xchange OX App Suite 代码问题漏洞
CVE-2021-23928 Open-xchange OX App Suite 跨站脚本漏洞
CVE-2021-23929 Open-xchange OX App Suite 跨站脚本漏洞
CVE-2021-23930 Open-xchange OX App Suite 跨站脚本漏洞
CVE-2021-23931 Open-xchange OX App Suite 跨站脚本漏洞
CVE-2021-23932 Open-xchange OX App Suite 跨站脚本漏洞
CVE-2021-23933 Open-xchange OX App Suite 跨站脚本漏洞
CVE-2021-23934 Open-xchange OX App Suite 跨站脚本漏洞
CVE-2021-23935 Open-xchange OX App Suite 跨站脚本漏洞
CVE-2021-23936 Open-xchange OX App Suite 跨站脚本漏洞
CVE-2020-36190 RailsAdmin 跨站脚本漏洞
CVE-2021-3134 北京坤豆 Mubu 授权问题漏洞
CVE-2021-3133 WordPress Elementor Contact Form DB plugin 跨站请求伪造漏洞
CVE-2020-13116 Opentext Carbonite 跨站脚本漏洞
CVE-2020-35459 Clusterlabs Crmsh 安全漏洞
CVE-2020-27637 R Cran 路径遍历漏洞
CVE-2020-14275 HCL Commerce 安全漏洞
CVE-2020-35458 ClusterLabs Hawk 代码注入漏洞
CVE-2020-26713 REDCap 跨站脚本漏洞

Showing top 20 of 32 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-385

V. Comments for CVE-2020-25657

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