bugtraq - [ MDVSA-2012:096 ] python

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Message-Id: <E1ShNUi-00051b-OP@titan.mandriva.com>
Date: Wed, 20 Jun 2012 18:11:00 +0200
From: security@...driva.com
To: bugtraq@...urityfocus.com
Subject: [ MDVSA-2012:096 ] python

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 _______________________________________________________________________

 Mandriva Linux Security Advisory                         MDVSA-2012:096
 http://www.mandriva.com/security/
 _______________________________________________________________________

 Package : python
 Date    : June 20, 2012
 Affected: 2010.1
 _______________________________________________________________________

 Problem Description:

 Multiple vulnerabilities has been discovered and corrected in python:
 
 The _ssl module would always disable the CBC IV attack countermeasure
 (CVE-2011-3389).
 
 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)
 (CVE-2011-4940).
 
 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&#039;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
 (CVE-2012-0876).
 
 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.
 _______________________________________________________________________

 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3389
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4940
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4944
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0845
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0876
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-1150
 _______________________________________________________________________

 Updated Packages:

 Mandriva Linux 2010.1:
 c3efceda4babb96954960fd81d86f6c4  2010.1/i586/libpython2.6-2.6.5-2.5mdv2010.2.i586.rpm
 b000fe745cd27bf32751c850a1c19885  2010.1/i586/libpython2.6-devel-2.6.5-2.5mdv2010.2.i586.rpm
 3bfcc2467a842934f40c6c6b57e29348  2010.1/i586/python-2.6.5-2.5mdv2010.2.i586.rpm
 35e1c1493a783256af91b05ce91e7a02  2010.1/i586/python-docs-2.6.5-2.5mdv2010.2.i586.rpm
 74ea05d4abdfe330810dba89ab2ec559  2010.1/i586/tkinter-2.6.5-2.5mdv2010.2.i586.rpm
 c829d89145ff97ee0349a587d55b8032  2010.1/i586/tkinter-apps-2.6.5-2.5mdv2010.2.i586.rpm 
 8674202b9c359c7ccf1fc224a2e4a2db  2010.1/SRPMS/python-2.6.5-2.5mdv2010.2.src.rpm

 Mandriva Linux 2010.1/X86_64:
 f732345e85d029cd7742e0e146a56b1a  2010.1/x86_64/lib64python2.6-2.6.5-2.5mdv2010.2.x86_64.rpm
 2d0592f1f0f1cdd3a3e1056d414720b2  2010.1/x86_64/lib64python2.6-devel-2.6.5-2.5mdv2010.2.x86_64.rpm
 4b503d77364687b8bd1d6da4d48b8d48  2010.1/x86_64/python-2.6.5-2.5mdv2010.2.x86_64.rpm
 489c6861df52431f01dfd13ba0389b58  2010.1/x86_64/python-docs-2.6.5-2.5mdv2010.2.x86_64.rpm
 487ee074b815870c0e02f998943539a6  2010.1/x86_64/tkinter-2.6.5-2.5mdv2010.2.x86_64.rpm
 032ea3bf5e7a941df3630ff23de9506d  2010.1/x86_64/tkinter-apps-2.6.5-2.5mdv2010.2.x86_64.rpm 
 8674202b9c359c7ccf1fc224a2e4a2db  2010.1/SRPMS/python-2.6.5-2.5mdv2010.2.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 pgp.mit.edu 0x22458A98

 You can view other update advisories for Mandriva Linux at:

  http://www.mandriva.com/security/advisories

 If you want to report vulnerabilities, please contact

  security_(at)_mandriva.com
 _______________________________________________________________________

 Type Bits/KeyID     Date       User ID
 pub  1024D/22458A98 2000-07-10 Mandriva Security Team
  <security*mandriva.com>
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