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[gentoo-announce] [ GLSA 201701-53 ] Lua: Buffer overflow

Posted on 23 January 2017
Gentoo-announce

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From: Aaron Bauman <bman@gentoo.org>
To: gentoo-announce@lists.gentoo.org
Message-ID: <a83db7d4-af2b-b474-bdc4-10468934b311@gentoo.org>
Subject: [ GLSA 201701-53 ] Lua: Buffer overflow

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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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