Authentication Bypass Affecting pyopenssl package, versions [,0.13.1)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.15% (53rd percentile)

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  • Snyk ID SNYK-PYTHON-PYOPENSSL-42043
  • published 22 Jan 2018
  • disclosed 6 Sep 2013
  • credit Unknown

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
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Snyk

Recommended
4.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    Low
  • Availability (A)
    None
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NVD

4.3 medium
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Red Hat

4.3 medium