7.5

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Python-ecdsa Project ≫ Python-ecdsa Version < 0.13.3
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.51% 0.827
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
secalert@redhat.com 3.7 2.2 1.4
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-391 Unchecked Error Condition

[PLANNED FOR DEPRECATION. SEE MAINTENANCE NOTES AND CONSIDER CWE-252, CWE-248, OR CWE-1069.] Ignoring exceptions and other error conditions may allow an attacker to induce unexpected behavior unnoticed.

CWE-755 Improper Handling of Exceptional Conditions

The product does not handle or incorrectly handles an exceptional condition.

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853
Third Party Advisory
Issue Tracking
https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3
Release Notes
https://seclists.org/bugtraq/2019/Dec/33
https://www.debian.org/security/2019/dsa-4588