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To: gentoo-announce@g.o
From: Sean Amoss <ackle@g.o>
Subject: [ GLSA 201206-27 ] mini_httpd: Arbitrary code execution
Date: Sun, 24 Jun 2012 19:12:59 -0400
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Gentoo Linux Security Advisory                           GLSA 201206-27
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: mini_httpd: Arbitrary code execution
     Date: June 24, 2012
     Bugs: #303755
       ID: 201206-27

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Synopsis
========

A vulnerability in mini_httpd could allow remote attackers to execute
arbitrary code.

Background
==========

mini_httpd is a small webserver with optional SSL and IPv6 support.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  www-servers/mini_httpd       *<= 1.19                 Vulnerable!
    -------------------------------------------------------------------
     NOTE: Certain packages are still vulnerable. Users should migrate
           to another package if one is available or wait for the
           existing packages to be marked stable by their
           architecture maintainers.

Description
===========

mini_httpd does not properly check for shell escapes when parsing HTTP
requests.

Impact
======

A remote attacker could send specially crafted HTTP requests, possibly
resulting in execution of arbitrary code with the privileges of the
process, or allowing for overwriting of files.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

Gentoo discontinued support for mini_httpd. We recommend that users
unmerge mini_httpd:

  # emerge --unmerge "www-servers/mini_httpd"

References
==========

[ 1 ] CVE-2009-4490
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-4490

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 http://security.gentoo.org/glsa/glsa-201206-27.xml

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@g.o or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2012 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.

http://creativecommons.org/licenses/by-sa/2.5

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Updated Jun 25, 2012

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