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Gentoo Linux Security Advisory                           GLSA 201612-54
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Chicken: Multiple vulnerabilities
     Date: December 31, 2016
     Bugs: #467966, #486350, #510712, #536448, #552202
       ID: 201612-54

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Synopsis
=======
Multiple vulnerabilities have been found in Chicken, the worst of which
allows remote attackers to execute arbitrary code.

Background
=========
Chicken is a scheme interpreter and native scheme to C compiler.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-scheme/chicken         < 4.10.0-r1              >= 4.10.0-r1

Description
==========
Multiple vulnerabilities have been discovered in Chicken. Please review
the CVE identifiers referenced below for details.

Impact
=====
A remote attacker could possibly execute arbitrary code with the
privileges of the process, or cause a Denial of Service condition.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All Chicken users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-scheme/chicken-4.10.0-r1"

References
=========
[ 1 ] CVE-2013-2024
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2024
[ 2 ] CVE-2013-4385
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4385
[ 3 ] CVE-2014-3776
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3776
[ 4 ] CVE-2014-9651
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9651
[ 5 ] CVE-2015-4556
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-4556

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

 https://security.gentoo.org/glsa/201612-54

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 2016 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/2.5/