Insecure Defaults Affecting pysaml2 package, versions [,6.5.0)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.28% (69th percentile)

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  • Snyk IDSNYK-PYTHON-PYSAML2-1063038
  • published20 Jan 2021
  • disclosed20 Jan 2021
  • creditBrian Wolff

Introduced: 20 Jan 2021

CVE-2021-21239  (opens in a new tab)
CWE-453  (opens in a new tab)

How to fix?

Upgrade pysaml2 to version 6.5.0 or higher.

Overview

pysaml2 is a Python implementation of SAML Version 2 Standard.

Affected versions of this package are vulnerable to Insecure Defaults. It does not ensure that a signed SAML document is correctly signed. The default CryptoBackendXmlSec1 backend is using the xmlsec1 binary to verify the signature of signed SAML documents, but by default, xmlsec1 accepts any type of key found within the given document.

References

CVSS Scores

version 3.1