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Vulnerability · Published Jan 22, 2024 · Assigned by GitHub_M

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

High 7.4

In plain English

A high-severity security flaw in python-ecdsa from tlsfuzzer. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).

Severity (CVSS 3.1)7.4High
Exploit odds (30 days)1.0%top 37.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12python-ecdsano fix listedDEBIAN-CVE-2024-23342
Debian:13python-ecdsano fix listedDEBIAN-CVE-2024-23342
Debian:14python-ecdsano fix listedDEBIAN-CVE-2024-23342
PyPIecdsano fix listedGHSA-wj6h-64fc-37mp
PyPIecdsano fix listedPYSEC-2026-1325
Ubuntu:22.04:LTSpython-ecdsano fix listedUBUNTU-CVE-2024-23342
Ubuntu:24.04:LTSpython-ecdsano fix listedUBUNTU-CVE-2024-23342
Ubuntu:25.10python-ecdsano fix listedUBUNTU-CVE-2024-23342
Ubuntu:26.04:LTSpython-ecdsano fix listedUBUNTU-CVE-2024-23342
Ubuntu:26.10python-ecdsano fix listedUBUNTU-CVE-2024-23342

Affected products (as reported)

VendorProductVersions
tlsfuzzer python-ecdsa <= 0.18.0

Weakness: CWE-203, CWE-208, CWE-385 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

References