Python 2.x.x <= 2.7.11, 3.x.x <= 3.6.6 Denial of Service (DoS) Vulnerability (Windows)

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

Detection Type:
Windows Registry

Solution Type:
Vendor Patch

Summary:
Python is prone to a denial of service (DoS) vulnerability.

Detection Method:
Checks if a vulnerable version is present on the target host.

Technical Details:
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.

Impact:
Successful exploitation would allow an attacker to crash the application.

Affected Versions:
Python versions 2.0.0 through 2.7.11 and 3.0.0 through 3.6.6.

Recommendations:
Update to version 2.7.12 or 3.6.7 respectively

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2019-5010

References:

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