Executive Summary

Summary
Title python-defusedxml and python-pysaml2 security update
Informations
Name RHSA-2017:0938 First vendor Publication 2017-04-12
Vendor RedHat Last vendor Modification 2017-04-12
Severity (Vendor) N/A Revision 01

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:N/A:N)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Problem Description:

An update for python-defusedxml and python-pysaml2 is now available for Red Hat OpenStack Platform 10.0 (Newton).

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat OpenStack Platform 10.0 - noarch

3. Description:

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.

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.

Security Fix(es):

* 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)

4. Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1415710 - CVE-2016-10149 python-pysaml2: Entity expansion issue

Original Source

Url : https://rhn.redhat.com/errata/RHSA-2017-0938.html

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-611 Information Leak Through XML External Entity File Disclosure

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 2
Os 1

Nessus® Vulnerability Scanner

Date Description
2017-08-25 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-3402-1.nasl - Type : ACT_GATHER_INFO
2017-01-13 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-3759.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2017-04-13 00:19:15
  • First insertion