CVE-2019-14853

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2019-14853
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2019-11-26T13:15:10
  • Last Modified Date
  • 2019-12-17T23:15:14
Weakness Enumerations
CWE URL
CWE-755 http://cwe.mitre.org/data/definitions/755.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:python-ecdsa_project:python-ecdsa:*:*:*:*:*:*:*:* 1 OR 0.13.3
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3 Release Notes
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853 Issue Tracking Third Party Advisory
https://www.debian.org/security/2019/dsa-4588
https://seclists.org/bugtraq/2019/Dec/33
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-14853
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14853
History
Created Old Value New Value Data Type Notes
2022-05-10 16:56:25 Added to TrackCVE
2022-12-04 07:03:15 2019-11-26T13:15Z 2019-11-26T13:15:10 CVE Published Date updated
2022-12-04 07:03:15 2019-12-17T23:15:14 CVE Modified Date updated
2022-12-04 07:03:15 Modified Vulnerability Status updated