drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in python-defusedxml
Name: |
Denial of Service in python-defusedxml |
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ID: |
RHSA-2017:0937-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux OpenStack Platform |
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Datum: |
Mi, 12. April 2017, 23:24 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2016-10149 |
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Applikationen: |
python-defusedxml |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
===================================================================== Red Hat Security Advisory
Synopsis: Moderate: python-defusedxml and python-pysaml2 security update Advisory ID: RHSA-2017:0937-01 Product: Red Hat Enterprise Linux OpenStack Platform Advisory URL: https://access.redhat.com/errata/RHSA-2017:0937 Issue date: 2017-04-12 CVE Names: CVE-2016-10149 =====================================================================
1. Summary:
An update for python-defusedxml and python-pysaml2 is now available for Red Hat OpenStack Platform 9.0 (Mitaka).
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 9.0 - 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
6. Package List:
Red Hat OpenStack Platform 9.0:
Source: python-defusedxml-0.5.0-1.el7ost.src.rpm python-pysaml2-3.0.2-3.el7ost.src.rpm
noarch: python-defusedxml-0.5.0-1.el7ost.noarch.rpm python-pysaml2-3.0.2-3.el7ost.noarch.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2016-10149 https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
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