CVE-2017-1000246: Pysaml2 improperly initializes encryption vector

CVE-2017-1000246 · Severity: low · CVSS 3 · Published 2017-11-17

Python package pysaml2 version 4.4.0 and earlier reuses the initialization vector across encryptions in the IDP server, resulting in weak encryption of data.

Technologies: pysaml2 (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2017-1000246 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2017-1000246 being exploited in the wild.
How severe is CVE-2017-1000246?
Low severity, with a CVSS score of 3, published 17 November 2017.
Which products and versions are affected?
pysaml2 (PyPI) ECOSYSTEM:introduced=0,fixed=4.6.0.
Is there a fix for CVE-2017-1000246?
Yes. pysaml2 (PyPI): upgrade to 4.6.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2017-1000246?
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 4.6.0 or later
    pip install "pysaml2>=4.6.0"

Affected products

  • pysaml2 (PyPI) ECOSYSTEM:introduced=0,fixed=4.6.0

Identifiers

  • CVE-2017-1000246
  • GHSA-cq94-qf6q-mf2h
  • PYSEC-2017-26

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