CVE-2024-23342

Public Exploit
python-ecdsa vulnerable to Minerva attack on P-256

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.

Category

7.4
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.62%
Vendor Advisory github.com
Affected: tlsfuzzer python-ecdsa
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2024-23342?
CVE-2024-23342 has been scored as a high severity vulnerability.
How to fix CVE-2024-23342?
To fix CVE-2024-23342, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-23342 being actively exploited in the wild?
It is possible that CVE-2024-23342 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-23342?
CVE-2024-23342 affects tlsfuzzer python-ecdsa.
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