Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Python-Ecdsa Project | Python-Ecdsa | < 0.13.3 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853Issue TrackingThird Party Advisory
- https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3Release Notes
- https://seclists.org/bugtraq/2019/Dec/33
- https://www.debian.org/security/2019/dsa-4588
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853Issue TrackingThird Party Advisory
- https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3Release Notes
- https://seclists.org/bugtraq/2019/Dec/33
- https://www.debian.org/security/2019/dsa-4588
FAQ
What is CVE-2019-14853?
CVE-2019-14853 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 lea...
How severe is CVE-2019-14853?
CVE-2019-14853 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-14853?
Check the references section above for vendor advisories and patch information. Affected products include: Python-Ecdsa Project Python-Ecdsa.