CVE-2019-14853
Ecdsa Denial of Service
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.
INFO
Published Date :
Nov. 26, 2019, 1:15 p.m.
Last Modified :
Dec. 17, 2019, 11:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-14853.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853 | Issue Tracking Third Party Advisory |
| 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 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-14853 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-14853 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Dec. 18, 2019
Action Type Old Value New Value Added Reference https://seclists.org/bugtraq/2019/Dec/33 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 17, 2019
Action Type Old Value New Value Added Reference https://www.debian.org/security/2019/dsa-4588 [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 12, 2019
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853 Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3 No Types Assigned https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3 Release Notes Added CWE NIST CWE-755 Added CPE Configuration OR *cpe:2.3:a:python-ecdsa_project:python-ecdsa:*:*:*:*:*:*:*:* versions up to (excluding) 0.13.3 -
CVE Modified by [email protected]
Dec. 02, 2019
Action Type Old Value New Value Changed Description An error-handling flaw was found in python-ecdsa. During signature decoding, malformed DER signatures could raise unexpected exceptions (or no exceptions at all), which could lead to a denial of service. 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.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-14853 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-14853
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.20 }} -0.01%
score
0.56949
percentile