CVE-2017-1000433: pysaml2 Improper Authentication vulnerability

CVE-2017-1000433 · Severity: low · CVSS 3.1 · Published 2018-01-02

pysaml2 version 4.4.0 and older accept any password when run with python optimizations enabled. This allows attackers to log in as any user without knowing their password.

Technologies: pysaml2 (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2017-1000433 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2017-1000433 being exploited in the wild.
How severe is CVE-2017-1000433?
Low severity, with a CVSS score of 3.1, published 2 January 2018.
Which products and versions are affected?
pysaml2 (PyPI) ECOSYSTEM:introduced=0,fixed=4.5.0.
Is there a fix for CVE-2017-1000433?
Yes. pysaml2 (PyPI): upgrade to 4.5.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2017-1000433?
Check whether you run pysaml2 (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • pysaml2 (PyPI): upgrade to 4.5.0 or later
    pip install "pysaml2>=4.5.0"

Affected products

  • pysaml2 (PyPI) ECOSYSTEM:introduced=0,fixed=4.5.0

Identifiers

  • CVE-2017-1000433
  • GHSA-924m-4pmx-c67h
  • PYSEC-2018-48

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