CVE-2019-14853

EUVD-2019-0047
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
redhatCNA
3.7 LOW
NETWORK
HIGH
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 20%
Affected Products (NVD)
VendorProductVersion
python-ecdsa_projectpython-ecdsa
𝑥
< 0.13.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
python-ecdsa
bookworm
0.18.0-3
fixed
bullseye
0.16.1-1
fixed
sid
0.19.0-2
fixed
trixie
0.19.0-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
python-ecdsa
bionic
Fixed 0.13-2ubuntu0.18.04.1
released
disco
Fixed 0.13-3ubuntu0.1
released
eoan
Fixed 0.13.2-2ubuntu0.1
released
trusty
dne
xenial
Fixed 0.13-2ubuntu0.16.04.1
released
Common Weakness Enumeration
References
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853
https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3
https://seclists.org/bugtraq/2019/Dec/33
https://www.debian.org/security/2019/dsa-4588
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853
https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3
https://seclists.org/bugtraq/2019/Dec/33
https://www.debian.org/security/2019/dsa-4588