Vulnerability in Python-Ecdsa Project
CVE-2019-14853
An error-handling flaw was found in python-ecdsa before version 0.13.3. During signature decoding, malformed DER signatures could raise unexpected exceptions (or no exceptions at all), which could lead to a denial of service.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.024 (84.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Python-Ecdsa Project
- [Unknown] Python-Ecdsa — versions 0.13.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3 (Release Notes)
- www.debian.org/security/2019/dsa-4588 (vendor-advisory)
- seclists.org/bugtraq/2019/Dec/33 (mailing-list)
Frequently asked questions
- What is CVE-2019-14853?
- CVE-2019-14853 is a high-severity vulnerability in Python-Ecdsa Project, classified under CWE-391. CVSS score: 7.5/10. Published 2019-11-26.
- How severe is CVE-2019-14853?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-14853 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.