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TI-2024-15443 Aliases CVE-2024-23342GHSA-wj6h-64fc-37mp

python-ecdsa vulnerable to Minerva attack on P-256

Priority HIGH 68CWE-203Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Information disclosure
Confidentiality · integrity · availability
High · High · None
Fix status
Partial Red Hat: 2 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-203.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00985 62nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 2 advisoriesRed Hat: 2 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
tlsfuzzerpython-ecdsaup to 0.18.0—No fix listedCNA
—ecdsa (PyPI)all versions—No fix listedGHSA-wj6h-64fc-37mp
  • python-ecdsa Vendortlsfuzzer Affected up to 0.18.0 Fixed in — No fix listed CNA
  • ecdsa (PyPI) Vendor— Affected all versions Fixed in — No fix listed GHSA-wj6h-64fc-37mp

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:tlsfuzzer:ecdsa:*:*:*:*:*:python:*:*up to 0.18.0Vulnerabletlsfuzzer
  • cpe:2.3:a:tlsfuzzer:ecdsa:*:*:*:*:*:python:*:* Versions up to 0.18.0 Vulnerable ·tlsfuzzer

Remediation

Red Hat 2 advisories

  • RHSA-2024:10806 Released 2024-12-04 · Red Hat rating Moderate
    Satellite 6.15.5 Async Update
    • Red Hat Satellite 6.15 for RHEL 8 python-pulp-container-2.16.9-2.el8pc, python3.11-pulp-container-2.16.9-2.el8pc, rubygem-activestorage-6.1.7.7-1.el8sat +1
  • RHSA-2024:1878 Released 2024-04-18 · Red Hat rating Moderate
    RHUI 4.8 Release - Security Updates, Bug Fixes, and Enhancements
    • RHUI 4 for RHEL 8 python-aiohttp-3.9.2-1.el8ui, python-cryptography-41.0.6-1.el8ui, python-django-4.2.11-1.el8ui +7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Satellite 6AffectedNo fix yet
RHUI 4 for RHEL 8Fixed RHSA-2024:1878
Red Hat Satellite 6.15 for RHEL 8Fixed RHSA-2024:10806
Not affected: 3 products
  • RHUI 4 for RHEL 8
  • Red Hat Ansible Automation Platform 2
  • Red Hat Satellite 6.15 for RHEL 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-23342
  2. 2026-10-03 Alias added: GHSA-wj6h-64fc-37mp

References

Exploit 1

Advisory 1

Other 6

  • TI-2026-26287 python-ecdsa: Denial of Service via improper DER length validation in crafted private keys CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences