CVE-2019-14853 - An error-handling flaw was found in python-ecdsa before version 0.13.3. During signature decoding, m

CVE-2019-14853

Summary

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.

References

Vulnerable Configurations

cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.5:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.5:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.6:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.6:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.7:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.7:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.8:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.8:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.9:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.9:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.10:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.10:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.11:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.11:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.12:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.12:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.13:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.13:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.13.1:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.13.1:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.13.2:*:*:*:*:*:*:*
cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.13.2:*:*:*:*:*:*:*

CVSS

Base:	5.0 (as of 17-12-2019 - 23:15)
Impact:
Exploitability:

CWE

CWE-755

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	LOW	NONE

Impact

Confidentiality	Integrity	Availability
NONE	NONE	PARTIAL

cvss-vector via4

AV:N/AC:L/Au:N/C:N/I:N/A:P

refmap via4

bugtraq	20191218 [SECURITY] [DSA 4588-1] python-ecdsa security update
confirm	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853
debian	DSA-4588
misc	https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3

Last major update

17-12-2019 - 23:15

Published

26-11-2019 - 13:15

Last modified

17-12-2019 - 23:15