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Gentoo Linux Security Advisory GLSA 201701-53
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https://security.gentoo.org/
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Severity: Normal
Title: Lua: Buffer overflow
Date: January 23, 2017
Bugs: #520480
ID: 201701-53

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Synopsis
========

A buffer overflow in Lua might allow context-dependent attackers to
execute arbitrary code.

Background
==========

Lua is a powerful, efficient, lightweight, embeddable scripting
language. It supports procedural programming, object-oriented
programming, functional programming, data-driven programming, and data
description.

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

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 dev-lang/lua < 5.1.5-r4 >= 5.1.5-r4

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

A buffer overflow was discovered in the vararg functions in ldo.c in
Lua.

Impact
======

Context-dependent could cause a Denial of Service condition or execute
arbitrary code.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Lua users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=dev-lang/lua-5.1.5-r4”

References
==========

[ 1 ] CVE-2014-5461
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-5461

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

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

https://security.gentoo.org/glsa/201701-53

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 2017 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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