CVE-2016-10149: Pysaml2 does not sanitize XML responses

CVE-2016-10149 · Severity: low · CVSS 3 · Published 2017-03-24

XML External Entity (XXE) vulnerability in PySAML2 4.4.0 and earlier allows remote attackers to read arbitrary files via a crafted SAML XML request or response.

Technologies: pysaml2 (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2016-10149 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2016-10149 being exploited in the wild.
How severe is CVE-2016-10149?
Low severity, with a CVSS score of 3, published 24 March 2017.
Which products and versions are affected?
pysaml2 (PyPI) ECOSYSTEM:introduced=0,fixed=4.5.0, GIT:introduced=0,fixed=6e09a25d9b4b7aa7a506853210a9a14100b8bc9b|ECOSYSTEM:introduced=0,fixed=4.5.0.
Is there a fix for CVE-2016-10149?
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-2016-10149?
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, GIT:introduced=0,fixed=6e09a25d9b4b7aa7a506853210a9a14100b8bc9b|ECOSYSTEM:introduced=0,fixed=4.5.0

Identifiers

  • CVE-2016-10149
  • GHSA-c2vx-49jm-h3f6
  • PYSEC-2017-25

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