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CVE-2024-23342— python-ecdsa vulnerable to Minerva attack on P-256

Quick assessment

Affected
tlsfuzzer python-ecdsa
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

python-ecdsa是一款基于Python的签名验证插件。 ecdsa 0.18.0及之前版本存在安全漏洞，该漏洞源于容易受到Minerva攻击。

CVSS 7.4 · High EPSS 0.98% · P61

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2024-23342

Vulnerability Information
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Vulnerability Title
python-ecdsa vulnerable to Minerva attack on P-256
Source: CVE Program / CVE List V5
Vulnerability Description
The `ecdsa` PyPI package is a pure Python implementation of ECC (Elliptic Curve Cryptography) with support for ECDSA (Elliptic Curve Digital Signature Algorithm), EdDSA (Edwards-curve Digital Signature Algorithm) and ECDH (Elliptic Curve Diffie-Hellman). Versions 0.18.0 and prior are vulnerable to the Minerva attack. As of time of publication, no known patched version exists.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
ecdsa 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
python-ecdsa是一款基于Python的签名验证插件。 ecdsa 0.18.0及之前版本存在安全漏洞，该漏洞源于容易受到Minerva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
tlsfuzzer python-ecdsa <= 0.18.0 -

II. Public POCs for CVE-2024-23342

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 7466 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
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III. Intelligence Information for CVE-2024-23342

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Vendor Advisories for CVE-2024-23342 (1)

Other References for CVE-2024-23342 (3)

IV. Related Vulnerabilities

Same product: python-ecdsa
Same vendor: tlsfuzzer
Same weakness: CWE-203

V. Comments for CVE-2024-23342

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