CVE-2019-5010

MEDIUM

Description

An exploitable denial-of-service vulnerability exists in the X509 certificate parser of Python.org Python 2.7.11 / 3.6.6. A specially crafted X509 certificate can cause a NULL pointer dereference, resulting in a denial of service. An attacker can initiate or accept TLS connections using crafted certificates to trigger this vulnerability.

References

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html

https://access.redhat.com/errata/RHSA-2019:3520

https://access.redhat.com/errata/RHSA-2019:3725

https://lists.apache.org/thread.html/[email protected]%3Cissues.bookkeeper.apache.org%3E

https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html

https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html

https://security.gentoo.org/glsa/202003-26

https://talosintelligence.com/vulnerability_reports/TALOS-2019-0758

Details

Source: MITRE

Published: 2019-10-31

Updated: 2020-08-22

Type: CWE-476

Risk Information

CVSS v2.0

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH