Authentication Bypass Affecting pyopenssl package, versions [,0.13.1)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.16% (54th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-PYTHON-PYOPENSSL-42043
  • published22 Jan 2018
  • disclosed6 Sept 2013
  • creditUnknown

Introduced: 6 Sep 2013

CVE-2013-4314  (opens in a new tab)
CWE-592  (opens in a new tab)

Overview

pyOpenSSL is a Python wrapper module around the OpenSSL library .

Affected versions of this package are vulnerable to Hostname Check Bypass. It implemented hostname identity checks but it did not properly handle hostnames in a certificate that contained null bytes.

CVSS Scores

version 3.1