Vulnerability in Tlsfuzzer Ecdsa
CVE-2024-23342
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.010 (61.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 62nd percentile — 61.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Tlsfuzzer Ecdsa
- Tlsfuzzer Python-Ecdsa — versions <= 0.18.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/tlsfuzzer/python-ecdsa/security/advisories/GHSA-wj6h-64fc-37mp (Exploit, Vendor Advisory)
- github.com/tlsfuzzer/python-ecdsa/blob/master/SECURITY.md (Product)
- minerva.crocs.fi.muni.cz/ (Technical Description)
- securitypitfalls.wordpress.com/2018/08/03/constant-time-compare-in-python/ (Technical Description)
Frequently asked questions
- What is CVE-2024-23342?
- CVE-2024-23342 is a high-severity vulnerability in Tlsfuzzer Ecdsa, classified under Observable Discrepancy. CVSS score: 7.4/10. Published 2024-01-23.
- How severe is CVE-2024-23342?
- High severity. CVSS v3 base score is 7.4 out of 10.
- Is CVE-2024-23342 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.