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RHSA-2015:0042-01 -- Redhat python-backports, python-backports-ssl_match_hostname, python-six, python-urllib3, cloud-init, python-boto, python-jsonpatch, python-jsonpointer

ID: oval:org.secpod.oval:def:502167Date: (C)2017-10-25   (M)2023-02-20
Class: PATCHFamily: unix




The cloud-init packages provide a set of init scripts for cloud instances. Cloud instances need special scripts to run during initialization to retrieve and install ssh keys and to let the user run various scripts. A denial of service flaw was found in the way Python"s SSL module implementation performed matching of certain certificate names. A remote attacker able to obtain a valid certificate that contained multiple wildcard characters could use this flaw to issue a request to validate such a certificate, resulting in excessive consumption of CPU. This issue was discovered by Florian Weimer of Red Hat Product Security. The cloud-init packages have been upgraded to upstream version 0.7.5, which provides a number of bug fixes and enhancements over the previous version. All cloud-init users are advised to upgrade to these updated packages, which correct these issues and add these enhancements.

Platform:
Red Hat Enterprise Linux 6
Product:
python-backports
python-backports-ssl_match_hostname
python-six
python-urllib3
cloud-init
python-boto
python-jsonpatch
python-jsonpointer
Reference:
RHSA-2015:0042-01
CVE-2013-2099
CVE    1
CVE-2013-2099
CPE    9
cpe:/a:python:python-backports-ssl_match_hostname
cpe:/o:redhat:enterprise_linux:6
cpe:/a:python:python-backports
cpe:/a:python:python-jsonpatch
...

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