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Debian Security Advisory DSA 3759-1 (python-pysaml2 - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Matias P. Brutti discovered that python-pysaml2, a Python implementation of the Security Assertion Markup Language 2.0, did not correctly sanitize the XML messages it handled. This allowed a remote attacker to perform XML External Entity attacks, leading to a wide range of exploits.
Affected Software
Affected Software
python-pysaml2 on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (jessie), this problem has been fixed in version 2.0.0-1+deb8u1. For the testing (stretch) and unstable (sid) distributions, this problem has been fixed in version 3.0.0-5. We recommend that you upgrade your python-pysaml2 packages.