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HistoryJul 09, 2012 - 12:00 a.m.

[ MDVSA-2012:096-1 ] python


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Mandriva Linux Security Advisory MDVSA-2012:096-1

Package : python
Date : July 2, 2012
Affected: Enterprise Server 5.0

Problem Description:

Multiple vulnerabilities has been discovered and corrected in python:

The _ssl module would always disable the CBC IV attack countermeasure

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 (XSS) attack against victims visiting a listing
page generated by SimpleHTTPServer, for a directory containing
the crafted file (if the victims were using certain web browsers)

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 (CVE-2011-4944).

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 (CVE-2012-0845).

Hash table collisions CPU usage DoS for the embedded copy of expat

A denial of service flaw was found in the implementation of associative
arrays (dictionaries) in Python. An attacker able to supply a large
number of inputs to a Python application (such as HTTP POST request
parameters sent to a web 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 (CVE-2012-1150).

The updated packages have been patched to correct these issues.


Packages for Mandriva Enterprise Server 5 is also being provided.


Updated Packages:

Mandriva Enterprise Server 5:
e18f146e6c8aa316adb5d19a0de2cdef mes5/i586/libpython2.5-2.5.2-5.12mdvmes5.2.i586.rpm
f425a7831028c28f98bac0d95ee532ce mes5/i586/libpython2.5-devel-2.5.2-5.12mdvmes5.2.i586.rpm
153ff4e78256ec9b0b89f5ecd7ed317c mes5/i586/python-2.5.2-5.12mdvmes5.2.i586.rpm
bbff1780014007b0c95491c74d3dc82b mes5/i586/python-base-2.5.2-5.12mdvmes5.2.i586.rpm
e73ffb5aeff47d2008b0bdb99623579f mes5/i586/python-docs-2.5.2-5.12mdvmes5.2.i586.rpm
af4d7f8f20f7cf7b2beb77dbd06f6992 mes5/i586/tkinter-2.5.2-5.12mdvmes5.2.i586.rpm
268850f5dd79335c129fa84469d39e20 mes5/i586/tkinter-apps-2.5.2-5.12mdvmes5.2.i586.rpm
0248488ef4499a61ba9ef31061325f1e mes5/SRPMS/python-2.5.2-5.12mdvmes5.2.src.rpm

Mandriva Enterprise Server 5/X86_64:
6ee32ebb3873a3e01def5984dfa951c7 mes5/x86_64/lib64python2.5-2.5.2-5.12mdvmes5.2.x86_64.rpm
9e7d5a39d2b224bd9141e6851350e43d mes5/x86_64/lib64python2.5-devel-2.5.2-5.12mdvmes5.2.x86_64.rpm
f798622e3b9f9795c373be0d90008684 mes5/x86_64/python-2.5.2-5.12mdvmes5.2.x86_64.rpm
916fb7c6e716daaf5269086b9477efcf mes5/x86_64/python-base-2.5.2-5.12mdvmes5.2.x86_64.rpm
53f14e4e8d6140603acac82004bd12c9 mes5/x86_64/python-docs-2.5.2-5.12mdvmes5.2.x86_64.rpm
ff348190df6007b7d0b043ac153f35dd mes5/x86_64/tkinter-2.5.2-5.12mdvmes5.2.x86_64.rpm
d7f55af87f3e3ea045b556f91c09333b mes5/x86_64/tkinter-apps-2.5.2-5.12mdvmes5.2.x86_64.rpm
0248488ef4499a61ba9ef31061325f1e mes5/SRPMS/python-2.5.2-5.12mdvmes5.2.src.rpm

To upgrade automatically use MandrivaUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.

All packages are signed by Mandriva for security. You can obtain the
GPG public key of the Mandriva Security Team by executing:

gpg --recv-keys --keyserver 0x22458A98

You can view other update advisories for Mandriva Linux at:

If you want to report vulnerabilities, please contact


Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
Version: GnuPG v1.4.11 (GNU/Linux)