What is the severity of RHSA-2017:0937?

The severity of RHSA-2017:0937 is classified as moderate.

How do I fix RHSA-2017:0937?

To fix RHSA-2017:0937, update the python-defusedxml package to version 0.5.0-1.el7 or the python-pysaml2 package to version 3.0.2-3.el7.

What vulnerabilities are addressed in RHSA-2017:0937?

RHSA-2017:0937 addresses vulnerabilities related to entity-expansion and DTD-retrieval issues in Python's XML libraries.

Which software packages are affected by RHSA-2017:0937?

The affected software packages in RHSA-2017:0937 are python-defusedxml and python-pysaml2.

Is it necessary to apply the fix for RHSA-2017:0937?

Yes, applying the fix for RHSA-2017:0937 is necessary to mitigate security risks related to XML handling in Python.

Vulnerability/
RHSA-2017:0937

12/4/2017

RHSA-2017:0937: Moderate: python-defusedxml and python-pysaml2 security update

First published: Wed Apr 12 2017(Updated: )

The defusedxml package contains several Python-only updates for security vulnerabilities in Python's XML libraries. Defusedxml functions and classes can be used instead of the originals to protect against entity-expansion and DTD-retrieval issues.<br>PySAML2 is the python implementation of SAML Version 2, containing all the functionality for building a SAML2 service provider or an identity provider, to be used in a WSGI environment.<br>Security Fix(es):<br><li> An XML entity expansion vulnerability was found in python-pysaml2. A remote attacker could send a crafted request which would cause denial of service through resource exhaustion. (CVE-2016-10149)</li>

Affected Software	Affected Version	How to fix
redhat/python-defusedxml	<0.5.0-1.el7	0.5.0-1.el7
redhat/python-pysaml2	<3.0.2-3.el7	3.0.2-3.el7

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Frequently Asked Questions

What is the severity of RHSA-2017:0937?
The severity of RHSA-2017:0937 is classified as moderate.
How do I fix RHSA-2017:0937?
To fix RHSA-2017:0937, update the python-defusedxml package to version 0.5.0-1.el7 or the python-pysaml2 package to version 3.0.2-3.el7.
What vulnerabilities are addressed in RHSA-2017:0937?
RHSA-2017:0937 addresses vulnerabilities related to entity-expansion and DTD-retrieval issues in Python's XML libraries.
Which software packages are affected by RHSA-2017:0937?
The affected software packages in RHSA-2017:0937 are python-defusedxml and python-pysaml2.
Is it necessary to apply the fix for RHSA-2017:0937?
Yes, applying the fix for RHSA-2017:0937 is necessary to mitigate security risks related to XML handling in Python.

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