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Gentoo Linux Security Advisory                           GLSA 200409-03
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                                            https://security.gentoo.org/
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  Severity: High
     Title: Python 2.2: Buffer overflow in getaddrinfo()
      Date: September 02, 2004
      Bugs: #62440
        ID: 200409-03

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Synopsis
=======
Python 2.2 has a vulnerability in DNS handling when IPV6 is disabled
and a malformed IPV6 address is encountered by getaddrinfo().

Background
=========
Python is an interpreted, interactive, object-oriented, cross-platform
programming language.

Affected packages
================
    -------------------------------------------------------------------
     Package          /  Vulnerable  /                      Unaffected
    -------------------------------------------------------------------
  1  dev-lang/python       < 2.2.2                            >= 2.2.2
                                                                 < 2.2

Description
==========
If IPV6 is disabled in Python 2.2, getaddrinfo() is not able to handle
IPV6 DNS requests properly and a buffer overflow occurs.

Impact
=====
An attacker can execute arbitrary code as the user running python.

Workaround
=========
Users with IPV6 enabled are not affected by this vulnerability.

Resolution
=========
All Python 2.2 users should upgrade to the latest version:

    # emerge sync

    # emerge -pv ">=dev-lang/python-2.2.2"
    # emerge ">=dev-lang/python-2.2.2"

References
=========
  [ 1 ] CVE-2004-0150
          [ 2 ] OSVDB:4172
        
Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  https://security.gentoo.org/glsa/200409-03

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org/.

License
======
Copyright 2004 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/1.0/

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