CVE-2019-14853

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.

Risk Information

Base Score

7.5

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Score

Exploitation Probability

0.068

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2019-14853,CVE-2019-14859 are fixed in Python-ecdsa 0.13.3	Windows
ECDSA cryptographic signature library (USN-4196-1) python-ecdsa_0.13-3ubuntu0.1_all.deb	Linux
ECDSA cryptographic signature library (USN-4196-1) python-ecdsa_0.13.2-2ubuntu0.1_all.deb	Linux
ECDSA cryptographic signature library (USN-4196-1) python-ecdsa_0.13-2ubuntu0.16.04.1_all.deb	Linux
ECDSA cryptographic signature library (USN-4196-1) python-ecdsa_0.13-2ubuntu0.18.04.1_all.deb	Linux
ECDSA cryptographic signature library (USN-4196-1) python3-ecdsa_0.13-3ubuntu0.1_all.deb	Linux
ECDSA cryptographic signature library (USN-4196-1) python3-ecdsa_0.13.2-2ubuntu0.1_all.deb	Linux
ECDSA cryptographic signature library (USN-4196-1) python3-ecdsa_0.13-2ubuntu0.16.04.1_all.deb	Linux
ECDSA cryptographic signature library (USN-4196-1) python3-ecdsa_0.13-2ubuntu0.18.04.1_all.deb	Linux
python-ecdsa security update(DSA-4588-1) python-ecdsa_0.13-2+deb9u1_all.deb	Linux
python-ecdsa security update(DSA-4588-1) python-ecdsa_0.13-3+deb10u1_all.deb	Linux
Vulnerabilities CVE-2019-14853,CVE-2019-14859 are fixed in Python-ecdsa for linux 0.13.3	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234