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Debian: Security Advisory for python-pysaml2 (DSA-4630-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'python-pysaml2' package(s) announced via the DSA-4630-1 advisory.
Insight
Insight
It was discovered that pysaml2, a Python implementation of SAML to be used in a WSGI environment, was susceptible to XML signature wrapping attacks, which could result in a bypass of signature verification.
Affected Software
Affected Software
'python-pysaml2' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the oldstable distribution (stretch), this problem has been fixed in version 3.0.0-5+deb9u1. For the stable distribution (buster), this problem has been fixed in version 4.5.0-4+deb10u1. We recommend that you upgrade your python-pysaml2 packages.