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OVAL

ALAS-2012-098 --- python26

ID: oval:org.secpod.oval:def:1601304Date: (C)2020-11-27   (M)2024-04-17
Class: PATCHFamily: unix




A denial of service flaw was found in the implementation of associative arrays in Python. An attacker able to supply a large number of inputs to a Python application that are used as keys when inserting data into an array could trigger multiple hash function collisions, making array operations take an excessive amount of CPU time. To mitigate this issue, randomization has been added to the hash function to reduce the chance of an attacker successfully causing intentional collisions. Note: The hash randomization is not enabled by default as it may break applications that incorrectly depend on dictionary ordering. To enable the protection, the new "PYTHONHASHSEED" environment variable or the Python interpreter"s "-R" command line option can be used. Refer to the python manual page for details.A flaw was found in the way the Python SimpleXMLRPCServer module handled clients disconnecting prematurely. A remote attacker could use this flaw to cause excessive CPU consumption on a server using SimpleXMLRPCServer. A flaw was found in the way the Python SimpleHTTPServer module generated directory listings. An attacker able to upload a file with a specially-crafted name to a server could possibly perform a cross-site scripting attack against victims visiting a listing page generated by SimpleHTTPServer, for a directory containing the crafted file . A race condition was found in the way the Python distutils module set file permissions during the creation of the .pypirc file. If a local user had access to the home directory of another user who is running distutils, they could use this flaw to gain access to that user"s .pypirc file, which can contain usernames and passwords for code repositories

Platform:
Amazon Linux AMI
Product:
python26
Reference:
ALAS-2012-98
CVE-2011-4940
CVE-2011-4944
CVE-2012-0845
CVE-2012-1150
CVE    4
CVE-2011-4944
CVE-2011-4940
CVE-2012-0845
CVE-2012-1150
...
CPE    2
cpe:/o:amazon:linux
cpe:/a:python:python26

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