CVE-2024-23342

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.

Affected Software

Weaknesses

• CWE-203: CWE-203: Observable Discrepancy
• CWE-208: CWE-208: Observable Timing Discrepancy
• CWE-385: CWE-385: Covert Timing Channel

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/tlsfuzzer/python-ecdsa/security/advisories/GHSA-wj6h-64fc-37mp
• https://github.com/tlsfuzzer/python-ecdsa/blob/master/SECURITY.md
• https://minerva.crocs.fi.muni.cz/
• https://securitypitfalls.wordpress.com/2018/08/03/constant-time-compare-in-python/

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

References

• https://github.com/tlsfuzzer/python-ecdsa/security/advisories/GHSA-wj6h-64fc-37mp
• https://github.com/tlsfuzzer/python-ecdsa/blob/master/SECURITY.md
• https://minerva.crocs.fi.muni.cz/
• https://securitypitfalls.wordpress.com/2018/08/03/constant-time-compare-in-python/

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